diff --git a/OpenCL/m27800_a0-optimized.cl b/OpenCL/m27800_a0-optimized.cl
new file mode 100644
index 000000000..521b1494e
--- /dev/null
+++ b/OpenCL/m27800_a0-optimized.cl
@@ -0,0 +1,206 @@
+/**
+ * Author......: See docs/credits.txt
+ * License.....: MIT
+ */
+
+//#define NEW_SIMD_CODE
+
+#ifdef KERNEL_STATIC
+#include "inc_vendor.h"
+#include "inc_types.h"
+#include "inc_platform.cl"
+#include "inc_common.cl"
+#include "inc_rp_optimized.h"
+#include "inc_rp_optimized.cl"
+#include "inc_simd.cl"
+#endif
+
+inline u32 Murmur32_Scramble(u32 k) 
+{
+  k = (k * 0x16A88000) | ((k * 0xCC9E2D51) >> 17);
+  return (k * 0x1B873593);
+}
+
+DECLSPEC u32 MurmurHash3(const u32 seed, const u32* data, const u32 size) 
+{
+  u32 checksum = seed;
+
+  const u32 nBlocks = (size / 4);
+  if (size >= 4) //Hash blocks, sizes of 4
+  {
+    for (u32 i = 0; i < nBlocks; i++) 
+    {
+      checksum ^= Murmur32_Scramble(data[i]);
+      checksum = (checksum >> 19) | (checksum << 13); //rotateRight(checksum, 19)
+      checksum = (checksum * 5) + 0xE6546B64;
+    }
+  }
+    
+  if (size % 4) 
+  {
+    const u8* remainder = (u8*)(data + nBlocks);
+    u32 val = 0;
+
+    switch(size & 3) //Hash remaining bytes as size isn't always aligned by 4 
+    { 
+      case 3: 
+        val ^= (remainder[2] << 16);
+      case 2: 
+        val ^= (remainder[1] << 8);
+      case 1:
+        val ^= remainder[0];
+        checksum ^= Murmur32_Scramble(val);
+      default: 
+        break;
+    };
+  }
+
+  checksum ^= size;
+  checksum ^= checksum >> 16;
+  checksum *= 0x85EBCA6B;
+  checksum ^= checksum >> 13;
+  checksum *= 0xC2B2AE35;
+  return checksum ^ (checksum >> 16);
+}
+
+KERNEL_FQ void m27800_m04 (KERN_ATTR_RULES ())
+{
+  /**
+   * modifier
+   */
+
+  const u64 lid = get_local_id (0);
+
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  u32 pw_buf0[4];
+  u32 pw_buf1[4];
+
+  pw_buf0[0] = pws[gid].i[0];
+  pw_buf0[1] = pws[gid].i[1];
+  pw_buf0[2] = pws[gid].i[2];
+  pw_buf0[3] = pws[gid].i[3];
+  pw_buf1[0] = pws[gid].i[4];
+  pw_buf1[1] = pws[gid].i[5];
+  pw_buf1[2] = pws[gid].i[6];
+  pw_buf1[3] = pws[gid].i[7];
+
+  const u32 pw_len = pws[gid].pw_len & 63;
+
+  /**
+   * seed
+   */
+
+  const u32 seed = salt_bufs[SALT_POS].salt_buf[0];
+
+  /**
+   * loop
+   */
+
+  for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
+  {
+    u32x w[16] = { 0 };
+
+    const u32x out_len = apply_rules_vect_optimized (pw_buf0, pw_buf1, pw_len, rules_buf, il_pos, w + 0, w + 4);
+
+    u32x hash = MurmurHash3 (seed, w, out_len);
+
+    const u32x r0 = hash;
+    const u32x r1 = 0;
+    const u32x r2 = 0;
+    const u32x r3 = 0;
+
+    COMPARE_M_SIMD (r0, r1, r2, r3);
+  }
+}
+
+KERNEL_FQ void m27800_m08 (KERN_ATTR_RULES ())
+{
+}
+
+KERNEL_FQ void m27800_m16 (KERN_ATTR_RULES ())
+{
+}
+
+KERNEL_FQ void m27800_s04 (KERN_ATTR_RULES ())
+{
+  /**
+   * modifier
+   */
+
+  const u64 lid = get_local_id (0);
+
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  u32 pw_buf0[4];
+  u32 pw_buf1[4];
+
+  pw_buf0[0] = pws[gid].i[0];
+  pw_buf0[1] = pws[gid].i[1];
+  pw_buf0[2] = pws[gid].i[2];
+  pw_buf0[3] = pws[gid].i[3];
+  pw_buf1[0] = pws[gid].i[4];
+  pw_buf1[1] = pws[gid].i[5];
+  pw_buf1[2] = pws[gid].i[6];
+  pw_buf1[3] = pws[gid].i[7];
+
+  const u32 pw_len = pws[gid].pw_len & 63;
+
+  /**
+   * digest
+   */
+
+  const u32 search[4] =
+  {
+    digests_buf[DIGESTS_OFFSET].digest_buf[DGST_R0],
+    0,
+    0,
+    0
+  };
+
+  /**
+   * seed
+   */
+
+  const u32 seed = salt_bufs[SALT_POS].salt_buf[0];
+
+  /**
+   * loop
+   */
+
+  for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
+  {
+    u32x w[16] = { 0 };
+
+    const u32x out_len = apply_rules_vect_optimized (pw_buf0, pw_buf1, pw_len, rules_buf, il_pos, w + 0, w + 4);
+
+    u32x hash = MurmurHash3 (seed, w, out_len);
+
+    const u32x r0 = hash;
+    const u32x r1 = 0;
+    const u32x r2 = 0;
+    const u32x r3 = 0;
+
+    COMPARE_S_SIMD (r0, r1, r2, r3);
+  }
+}
+
+KERNEL_FQ void m27800_s08 (KERN_ATTR_RULES ())
+{
+}
+
+KERNEL_FQ void m27800_s16 (KERN_ATTR_RULES ())
+{
+}
diff --git a/OpenCL/m27800_a1-optimized.cl b/OpenCL/m27800_a1-optimized.cl
new file mode 100644
index 000000000..b1b4f22e8
--- /dev/null
+++ b/OpenCL/m27800_a1-optimized.cl
@@ -0,0 +1,316 @@
+/**
+ * Author......: See docs/credits.txt
+ * License.....: MIT
+ */
+
+//#define NEW_SIMD_CODE
+
+#ifdef KERNEL_STATIC
+#include "inc_vendor.h"
+#include "inc_types.h"
+#include "inc_platform.cl"
+#include "inc_common.cl"
+#include "inc_simd.cl"
+#endif
+
+inline u32 Murmur32_Scramble(u32 k) 
+{
+  k = (k * 0x16A88000) | ((k * 0xCC9E2D51) >> 17);
+  return (k * 0x1B873593);
+}
+
+DECLSPEC u32 MurmurHash3(const u32 seed, const u32* data, const u32 size) 
+{
+  u32 checksum = seed;
+
+  const u32 nBlocks = (size / 4);
+  if (size >= 4) //Hash blocks, sizes of 4
+  {
+    for (u32 i = 0; i < nBlocks; i++) 
+    {
+      checksum ^= Murmur32_Scramble(data[i]);
+      checksum = (checksum >> 19) | (checksum << 13); //rotateRight(checksum, 19)
+      checksum = (checksum * 5) + 0xE6546B64;
+    }
+  }
+    
+  if (size % 4) 
+  {
+    const u8* remainder = (u8*)(data + nBlocks);
+    u32 val = 0;
+
+    switch(size & 3) //Hash remaining bytes as size isn't always aligned by 4 
+    { 
+      case 3: 
+        val ^= (remainder[2] << 16);
+      case 2: 
+        val ^= (remainder[1] << 8);
+      case 1:
+        val ^= remainder[0];
+        checksum ^= Murmur32_Scramble(val);
+      default: 
+        break;
+    };
+  }
+
+  checksum ^= size;
+  checksum ^= checksum >> 16;
+  checksum *= 0x85EBCA6B;
+  checksum ^= checksum >> 13;
+  checksum *= 0xC2B2AE35;
+  return checksum ^ (checksum >> 16);
+}
+
+KERNEL_FQ void m27800_m04 (KERN_ATTR_BASIC ())
+{
+  /**
+   * modifier
+   */
+
+  const u64 gid = get_global_id (0);
+  const u64 lid = get_local_id (0);
+
+  if (gid >= gid_max) return;
+
+  /**
+   * base
+   */
+
+  u32 pw_buf0[4];
+  u32 pw_buf1[4];
+
+  pw_buf0[0] = pws[gid].i[0];
+  pw_buf0[1] = pws[gid].i[1];
+  pw_buf0[2] = pws[gid].i[2];
+  pw_buf0[3] = pws[gid].i[3];
+  pw_buf1[0] = pws[gid].i[4];
+  pw_buf1[1] = pws[gid].i[5];
+  pw_buf1[2] = pws[gid].i[6];
+  pw_buf1[3] = pws[gid].i[7];
+
+  const u32 pw_l_len = pws[gid].pw_len & 63;
+
+  /**
+   * seed
+   */
+
+  const u32 seed = salt_bufs[SALT_POS].salt_buf[0];
+
+  /**
+   * loop
+   */
+
+  for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
+  {
+    const u32 pw_r_len = pwlenx_create_combt (combs_buf, il_pos) & 63;
+
+    const u32 pw_len = (pw_l_len + pw_r_len) & 63;
+
+    /**
+     * concat password candidate
+     */
+
+    u32 wordl0[4] = { 0 };
+    u32 wordl1[4] = { 0 };
+    u32 wordl2[4] = { 0 };
+    u32 wordl3[4] = { 0 };
+
+    wordl0[0] = pw_buf0[0];
+    wordl0[1] = pw_buf0[1];
+    wordl0[2] = pw_buf0[2];
+    wordl0[3] = pw_buf0[3];
+    wordl1[0] = pw_buf1[0];
+    wordl1[1] = pw_buf1[1];
+    wordl1[2] = pw_buf1[2];
+    wordl1[3] = pw_buf1[3];
+
+    u32 wordr0[4] = { 0 };
+    u32 wordr1[4] = { 0 };
+    u32 wordr2[4] = { 0 };
+    u32 wordr3[4] = { 0 };
+
+    wordr0[0] = ix_create_combt (combs_buf, il_pos, 0);
+    wordr0[1] = ix_create_combt (combs_buf, il_pos, 1);
+    wordr0[2] = ix_create_combt (combs_buf, il_pos, 2);
+    wordr0[3] = ix_create_combt (combs_buf, il_pos, 3);
+    wordr1[0] = ix_create_combt (combs_buf, il_pos, 4);
+    wordr1[1] = ix_create_combt (combs_buf, il_pos, 5);
+    wordr1[2] = ix_create_combt (combs_buf, il_pos, 6);
+    wordr1[3] = ix_create_combt (combs_buf, il_pos, 7);
+
+    if (combs_mode == COMBINATOR_MODE_BASE_LEFT)
+    {
+      switch_buffer_by_offset_le_VV (wordr0, wordr1, wordr2, wordr3, pw_l_len);
+    }
+    else
+    {
+      switch_buffer_by_offset_le_VV (wordl0, wordl1, wordl2, wordl3, pw_r_len);
+    }
+
+    u32 w[16];
+
+    w[ 0] = wordl0[0] | wordr0[0];
+    w[ 1] = wordl0[1] | wordr0[1];
+    w[ 2] = wordl0[2] | wordr0[2];
+    w[ 3] = wordl0[3] | wordr0[3];
+    w[ 4] = wordl1[0] | wordr1[0];
+    w[ 5] = wordl1[1] | wordr1[1];
+    w[ 6] = wordl1[2] | wordr1[2];
+    w[ 7] = wordl1[3] | wordr1[3];
+    w[ 8] = wordl2[0] | wordr2[0];
+    w[ 9] = wordl2[1] | wordr2[1];
+    w[10] = wordl2[2] | wordr2[2];
+    w[11] = wordl2[3] | wordr2[3];
+    w[12] = wordl3[0] | wordr3[0];
+    w[13] = wordl3[1] | wordr3[1];
+    w[14] = wordl3[2] | wordr3[2];
+    w[15] = wordl3[3] | wordr3[3];
+
+    const u32 r = MurmurHash3 (seed, w, pw_len);
+
+    const u32 z = 0;
+
+    COMPARE_M_SIMD (r, z, z, z);
+  }
+}
+
+KERNEL_FQ void m27800_m08 (KERN_ATTR_BASIC ())
+{
+}
+
+KERNEL_FQ void m27800_m16 (KERN_ATTR_BASIC ())
+{
+}
+
+KERNEL_FQ void m27800_s04 (KERN_ATTR_BASIC ())
+{
+  /**
+   * modifier
+   */
+
+  const u64 gid = get_global_id (0);
+  const u64 lid = get_local_id (0);
+
+  if (gid >= gid_max) return;
+
+  /**
+   * base
+   */
+
+  u32 pw_buf0[4];
+  u32 pw_buf1[4];
+
+  pw_buf0[0] = pws[gid].i[0];
+  pw_buf0[1] = pws[gid].i[1];
+  pw_buf0[2] = pws[gid].i[2];
+  pw_buf0[3] = pws[gid].i[3];
+  pw_buf1[0] = pws[gid].i[4];
+  pw_buf1[1] = pws[gid].i[5];
+  pw_buf1[2] = pws[gid].i[6];
+  pw_buf1[3] = pws[gid].i[7];
+
+  const u32 pw_l_len = pws[gid].pw_len & 63;
+
+  /**
+   * seed
+   */
+
+  const u32 seed = salt_bufs[SALT_POS].salt_buf[0];
+
+  /**
+   * digest
+   */
+
+  const u32 search[4] =
+  {
+    digests_buf[DIGESTS_OFFSET].digest_buf[DGST_R0],
+    0,
+    0,
+    0
+  };
+
+  /**
+   * loop
+   */
+
+  for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
+  {
+    const u32 pw_r_len = pwlenx_create_combt (combs_buf, il_pos) & 63;
+
+    const u32 pw_len = (pw_l_len + pw_r_len) & 63;
+
+    /**
+     * concat password candidate
+     */
+
+    u32 wordl0[4] = { 0 };
+    u32 wordl1[4] = { 0 };
+    u32 wordl2[4] = { 0 };
+    u32 wordl3[4] = { 0 };
+
+    wordl0[0] = pw_buf0[0];
+    wordl0[1] = pw_buf0[1];
+    wordl0[2] = pw_buf0[2];
+    wordl0[3] = pw_buf0[3];
+    wordl1[0] = pw_buf1[0];
+    wordl1[1] = pw_buf1[1];
+    wordl1[2] = pw_buf1[2];
+    wordl1[3] = pw_buf1[3];
+
+    u32 wordr0[4] = { 0 };
+    u32 wordr1[4] = { 0 };
+    u32 wordr2[4] = { 0 };
+    u32 wordr3[4] = { 0 };
+
+    wordr0[0] = ix_create_combt (combs_buf, il_pos, 0);
+    wordr0[1] = ix_create_combt (combs_buf, il_pos, 1);
+    wordr0[2] = ix_create_combt (combs_buf, il_pos, 2);
+    wordr0[3] = ix_create_combt (combs_buf, il_pos, 3);
+    wordr1[0] = ix_create_combt (combs_buf, il_pos, 4);
+    wordr1[1] = ix_create_combt (combs_buf, il_pos, 5);
+    wordr1[2] = ix_create_combt (combs_buf, il_pos, 6);
+    wordr1[3] = ix_create_combt (combs_buf, il_pos, 7);
+
+    if (combs_mode == COMBINATOR_MODE_BASE_LEFT)
+    {
+      switch_buffer_by_offset_le_VV (wordr0, wordr1, wordr2, wordr3, pw_l_len);
+    }
+    else
+    {
+      switch_buffer_by_offset_le_VV (wordl0, wordl1, wordl2, wordl3, pw_r_len);
+    }
+
+    u32 w[16];
+
+    w[ 0] = wordl0[0] | wordr0[0];
+    w[ 1] = wordl0[1] | wordr0[1];
+    w[ 2] = wordl0[2] | wordr0[2];
+    w[ 3] = wordl0[3] | wordr0[3];
+    w[ 4] = wordl1[0] | wordr1[0];
+    w[ 5] = wordl1[1] | wordr1[1];
+    w[ 6] = wordl1[2] | wordr1[2];
+    w[ 7] = wordl1[3] | wordr1[3];
+    w[ 8] = wordl2[0] | wordr2[0];
+    w[ 9] = wordl2[1] | wordr2[1];
+    w[10] = wordl2[2] | wordr2[2];
+    w[11] = wordl2[3] | wordr2[3];
+    w[12] = wordl3[0] | wordr3[0];
+    w[13] = wordl3[1] | wordr3[1];
+    w[14] = wordl3[2] | wordr3[2];
+    w[15] = wordl3[3] | wordr3[3];
+
+    const u32 r = MurmurHash3 (seed, w, pw_len);
+
+    const u32 z = 0;
+
+    COMPARE_S_SIMD (r, z, z, z);
+  }
+}
+
+KERNEL_FQ void m27800_s08 (KERN_ATTR_BASIC ())
+{
+}
+
+KERNEL_FQ void m27800_s16 (KERN_ATTR_BASIC ())
+{
+}
diff --git a/OpenCL/m27800_a3-optimized.cl b/OpenCL/m27800_a3-optimized.cl
new file mode 100644
index 000000000..a45facd32
--- /dev/null
+++ b/OpenCL/m27800_a3-optimized.cl
@@ -0,0 +1,406 @@
+/**
+ * Author......: See docs/credits.txt
+ * License.....: MIT
+ */
+
+#define NEW_SIMD_CODE
+
+#ifdef KERNEL_STATIC
+#include "inc_vendor.h"
+#include "inc_types.h"
+#include "inc_platform.cl"
+#include "inc_common.cl"
+#include "inc_simd.cl"
+#endif
+
+inline u32x Murmur32_Scramble(u32x k) 
+{
+  k = (k * 0x16A88000) | ((k * 0xCC9E2D51) >> 17);
+  return (k * 0x1B873593);
+}
+
+DECLSPEC u32x MurmurHash3(const u32 seed, const u32x w0, const u32* data, const u32 size) {
+  u32x checksum = seed;
+
+  if (size >= 4) 
+  {
+    checksum ^= Murmur32_Scramble(w0);
+    checksum = (checksum >> 19) | (checksum << 13); //rotateRight(checksum, 19)
+    checksum = (checksum * 5) + 0xE6546B64;
+
+    const u32 nBlocks = (size / 4);
+    if (size >= 4) //Hash blocks, sizes of 4
+    { 
+      for (u32 i = 1; i < nBlocks; i++) 
+      {
+        checksum ^= Murmur32_Scramble(data[i]);
+        checksum = (checksum >> 19) | (checksum << 13); //rotateRight(checksum, 19)
+        checksum = (checksum * 5) + 0xE6546B64;
+      }
+    }
+      
+    if (size % 4) 
+    {
+      const u8* remainder = (u8*)(data + nBlocks);
+      u32x val = 0;
+
+      switch(size & 3) //Hash remaining bytes as size isn't always aligned by 4
+      {
+        case 3: 
+          val ^= (remainder[2] << 16);
+        case 2: 
+          val ^= (remainder[1] << 8);
+        case 1: 
+          val ^= remainder[0];
+          checksum ^= Murmur32_Scramble(val);
+        default: 
+          break;
+      };
+    }
+  }
+
+  else 
+  {
+    if (size % 4) 
+    {
+      const u8* remainder = (u8*)(&w0);
+      u32x val = 0;
+
+      switch(size & 3) 
+      {
+        case 3: 
+          val ^= (remainder[2] << 16);
+        case 2:
+          val ^= (remainder[1] << 8);
+        case 1:
+          val ^= remainder[0];
+          checksum ^= Murmur32_Scramble(val);
+        default: 
+          break;
+      };
+    }
+  }
+
+  checksum ^= size;
+  checksum ^= checksum >> 16;
+  checksum *= 0x85EBCA6B;
+  checksum ^= checksum >> 13;
+  checksum *= 0xC2B2AE35;
+  return checksum ^ (checksum >> 16);
+}
+
+DECLSPEC void m27800m (const u32 *w, const u32 pw_len, KERN_ATTR_VECTOR ())
+{
+  /**
+   * modifier
+   */
+
+  const u64 gid = get_global_id (0);
+  const u64 lid = get_local_id (0);
+
+  /**
+   * seed
+   */
+
+  const u32 seed = salt_bufs[SALT_POS].salt_buf[0];
+
+  /**
+   * loop
+   */
+
+  u32 w0l = w[0];
+
+  for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
+  {
+    const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
+
+    const u32x w0 = w0l | w0r;
+
+    const u32x hash = MurmurHash3 (seed, w0, w, pw_len);
+
+    const u32x r0 = hash;
+    const u32x r1 = 0;
+    const u32x r2 = 0;
+    const u32x r3 = 0;
+
+    COMPARE_M_SIMD (r0, r1, r2, r3);
+  }
+}
+
+DECLSPEC void m27800s (const u32 *w, const u32 pw_len, KERN_ATTR_VECTOR ())
+{
+  /**
+   * modifier
+   */
+
+  const u64 gid = get_global_id (0);
+  const u64 lid = get_local_id (0);
+
+  /**
+   * digest
+   */
+
+  const u32 search[4] =
+  {
+    digests_buf[DIGESTS_OFFSET].digest_buf[DGST_R0],
+    0,
+    0,
+    0
+  };
+
+  /**
+   * seed
+   */
+
+  const u32 seed = salt_bufs[SALT_POS].salt_buf[0];
+
+  /**
+   * loop
+   */
+
+  u32 w0l = w[0];
+
+  for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
+  {
+    const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
+
+    const u32x w0 = w0l | w0r;
+    
+    const u32x hash = MurmurHash3 (seed, w0, w, pw_len);
+
+    const u32x r0 = hash;
+    const u32x r1 = 0;
+    const u32x r2 = 0;
+    const u32x r3 = 0;
+
+    COMPARE_S_SIMD (r0, r1, r2, r3);
+  }
+}
+
+KERNEL_FQ void m27800_m04 (KERN_ATTR_VECTOR ())
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  u32 w[16];
+
+  w[ 0] = pws[gid].i[ 0];
+  w[ 1] = pws[gid].i[ 1];
+  w[ 2] = pws[gid].i[ 2];
+  w[ 3] = pws[gid].i[ 3];
+  w[ 4] = 0;
+  w[ 5] = 0;
+  w[ 6] = 0;
+  w[ 7] = 0;
+  w[ 8] = 0;
+  w[ 9] = 0;
+  w[10] = 0;
+  w[11] = 0;
+  w[12] = 0;
+  w[13] = 0;
+  w[14] = pws[gid].i[14];
+  w[15] = 0;
+
+  const u32 pw_len = pws[gid].pw_len & 63;
+
+  /**
+   * main
+   */
+
+  m27800m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, SALT_POS, loop_pos, loop_cnt, il_cnt, digests_cnt, DIGESTS_OFFSET, combs_mode, salt_repeat, pws_pos, gid_max);
+}
+
+KERNEL_FQ void m27800_m08 (KERN_ATTR_VECTOR ())
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  u32 w[16];
+
+  w[ 0] = pws[gid].i[ 0];
+  w[ 1] = pws[gid].i[ 1];
+  w[ 2] = pws[gid].i[ 2];
+  w[ 3] = pws[gid].i[ 3];
+  w[ 4] = pws[gid].i[ 4];
+  w[ 5] = pws[gid].i[ 5];
+  w[ 6] = pws[gid].i[ 6];
+  w[ 7] = pws[gid].i[ 7];
+  w[ 8] = 0;
+  w[ 9] = 0;
+  w[10] = 0;
+  w[11] = 0;
+  w[12] = 0;
+  w[13] = 0;
+  w[14] = pws[gid].i[14];
+  w[15] = 0;
+
+  const u32 pw_len = pws[gid].pw_len & 63;
+
+  /**
+   * main
+   */
+
+  m27800m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, SALT_POS, loop_pos, loop_cnt, il_cnt, digests_cnt, DIGESTS_OFFSET, combs_mode, salt_repeat, pws_pos, gid_max);
+}
+
+KERNEL_FQ void m27800_m16 (KERN_ATTR_VECTOR ())
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  u32 w[16];
+
+  w[ 0] = pws[gid].i[ 0];
+  w[ 1] = pws[gid].i[ 1];
+  w[ 2] = pws[gid].i[ 2];
+  w[ 3] = pws[gid].i[ 3];
+  w[ 4] = pws[gid].i[ 4];
+  w[ 5] = pws[gid].i[ 5];
+  w[ 6] = pws[gid].i[ 6];
+  w[ 7] = pws[gid].i[ 7];
+  w[ 8] = pws[gid].i[ 8];
+  w[ 9] = pws[gid].i[ 9];
+  w[10] = pws[gid].i[10];
+  w[11] = pws[gid].i[11];
+  w[12] = pws[gid].i[12];
+  w[13] = pws[gid].i[13];
+  w[14] = pws[gid].i[14];
+  w[15] = pws[gid].i[15];
+
+  const u32 pw_len = pws[gid].pw_len & 63;
+
+  /**
+   * main
+   */
+
+  m27800m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, SALT_POS, loop_pos, loop_cnt, il_cnt, digests_cnt, DIGESTS_OFFSET, combs_mode, salt_repeat, pws_pos, gid_max);
+}
+
+KERNEL_FQ void m27800_s04 (KERN_ATTR_VECTOR ())
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  u32 w[16];
+
+  w[ 0] = pws[gid].i[ 0];
+  w[ 1] = pws[gid].i[ 1];
+  w[ 2] = pws[gid].i[ 2];
+  w[ 3] = pws[gid].i[ 3];
+  w[ 4] = 0;
+  w[ 5] = 0;
+  w[ 6] = 0;
+  w[ 7] = 0;
+  w[ 8] = 0;
+  w[ 9] = 0;
+  w[10] = 0;
+  w[11] = 0;
+  w[12] = 0;
+  w[13] = 0;
+  w[14] = pws[gid].i[14];
+  w[15] = 0;
+
+  const u32 pw_len = pws[gid].pw_len & 63;
+
+  /**
+   * main
+   */
+
+  m27800s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, SALT_POS, loop_pos, loop_cnt, il_cnt, digests_cnt, DIGESTS_OFFSET, combs_mode, salt_repeat, pws_pos, gid_max);
+}
+
+KERNEL_FQ void m27800_s08 (KERN_ATTR_VECTOR ())
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  u32 w[16];
+
+  w[ 0] = pws[gid].i[ 0];
+  w[ 1] = pws[gid].i[ 1];
+  w[ 2] = pws[gid].i[ 2];
+  w[ 3] = pws[gid].i[ 3];
+  w[ 4] = pws[gid].i[ 4];
+  w[ 5] = pws[gid].i[ 5];
+  w[ 6] = pws[gid].i[ 6];
+  w[ 7] = pws[gid].i[ 7];
+  w[ 8] = 0;
+  w[ 9] = 0;
+  w[10] = 0;
+  w[11] = 0;
+  w[12] = 0;
+  w[13] = 0;
+  w[14] = pws[gid].i[14];
+  w[15] = 0;
+
+  const u32 pw_len = pws[gid].pw_len & 63;
+
+  /**
+   * main
+   */
+
+  m27800s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, SALT_POS, loop_pos, loop_cnt, il_cnt, digests_cnt, DIGESTS_OFFSET, combs_mode, salt_repeat, pws_pos, gid_max);
+}
+
+KERNEL_FQ void m27800_s16 (KERN_ATTR_VECTOR ())
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  u32 w[16];
+
+  w[ 0] = pws[gid].i[ 0];
+  w[ 1] = pws[gid].i[ 1];
+  w[ 2] = pws[gid].i[ 2];
+  w[ 3] = pws[gid].i[ 3];
+  w[ 4] = pws[gid].i[ 4];
+  w[ 5] = pws[gid].i[ 5];
+  w[ 6] = pws[gid].i[ 6];
+  w[ 7] = pws[gid].i[ 7];
+  w[ 8] = pws[gid].i[ 8];
+  w[ 9] = pws[gid].i[ 9];
+  w[10] = pws[gid].i[10];
+  w[11] = pws[gid].i[11];
+  w[12] = pws[gid].i[12];
+  w[13] = pws[gid].i[13];
+  w[14] = pws[gid].i[14];
+  w[15] = pws[gid].i[15];
+
+  const u32 pw_len = pws[gid].pw_len & 63;
+
+  /**
+   * main
+   */
+
+  m27800s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, SALT_POS, loop_pos, loop_cnt, il_cnt, digests_cnt, DIGESTS_OFFSET, combs_mode, salt_repeat, pws_pos, gid_max);
+}
diff --git a/docs/changes.txt b/docs/changes.txt
index b85524af0..e71eea695 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -5,6 +5,7 @@
 ##
 
 - Added hash-mode: MultiBit Classic .wallet (scrypt)
+- Added hash-mode: MurmurHash3
 
 ##
 ## Bugs
diff --git a/docs/readme.txt b/docs/readme.txt
index 814d474cb..cd1ab65ae 100644
--- a/docs/readme.txt
+++ b/docs/readme.txt
@@ -137,6 +137,7 @@ NVIDIA GPUs require "NVIDIA Driver" (440.64 or later) and "CUDA Toolkit" (9.0 or
 - CRC32
 - Java Object hashCode()
 - MurmurHash
+- MurmurHash3
 - 3DES (PT = $salt, key = $pass)
 - DES (PT = $salt, key = $pass)
 - AES-128-ECB NOKDF (PT = $salt, key = $pass)
diff --git a/src/modules/module_27800.c b/src/modules/module_27800.c
new file mode 100644
index 000000000..a7a33201b
--- /dev/null
+++ b/src/modules/module_27800.c
@@ -0,0 +1,192 @@
+/**
+ * Author......: See docs/credits.txt
+ * License.....: MIT
+ */
+
+#include "common.h"
+#include "types.h"
+#include "modules.h"
+#include "bitops.h"
+#include "convert.h"
+#include "shared.h"
+
+static const u32   ATTACK_EXEC    = ATTACK_EXEC_INSIDE_KERNEL;
+static const u32   DGST_POS0      = 0;
+static const u32   DGST_POS1      = 1;
+static const u32   DGST_POS2      = 2;
+static const u32   DGST_POS3      = 3;
+static const u32   DGST_SIZE      = DGST_SIZE_4_4;
+static const u32   HASH_CATEGORY  = HASH_CATEGORY_RAW_CHECKSUM;
+static const char *HASH_NAME      = "MurmurHash3";
+static const u64   KERN_TYPE      = 27800;
+static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE;
+static const u64   OPTS_TYPE      = OPTS_TYPE_PT_GENERATE_LE
+                                  |OPTS_TYPE_SUGGEST_KG;
+static const u32   SALT_TYPE      = SALT_TYPE_EMBEDDED;
+static const char *ST_PASS        = "hashcat";
+static const char *ST_HASH        = "23e93f65:00000000";
+
+u32         module_attack_exec    (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC;     }
+u32         module_dgst_pos0      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0;       }
+u32         module_dgst_pos1      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS1;       }
+u32         module_dgst_pos2      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS2;       }
+u32         module_dgst_pos3      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS3;       }
+u32         module_dgst_size      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_SIZE;       }
+u32         module_hash_category  (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_CATEGORY;   }
+const char *module_hash_name      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_NAME;       }
+u64         module_kern_type      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return KERN_TYPE;       }
+u32         module_opti_type      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTI_TYPE;       }
+u64         module_opts_type      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTS_TYPE;       }
+u32         module_salt_type      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return SALT_TYPE;       }
+const char *module_st_hash        (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_HASH;         }
+const char *module_st_pass        (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_PASS;         }
+
+u32 module_salt_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  const u32 pw_max = 4;
+
+  return pw_max;
+}
+
+u32 module_salt_min (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  const u32 pw_min = 4;
+
+  return pw_min;
+}
+
+int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
+{
+  u32 *digest = (u32 *) digest_buf;
+
+  token_t token;
+
+  token.token_cnt = 2;
+
+  token.len_min[0] = 8;
+  token.len_max[0] = 8;
+  token.sep[0]     = hashconfig->separator;
+  token.attr[0]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  token.len_min[1] = 8;
+  token.len_max[1] = 8;
+  token.sep[1]     = hashconfig->separator;
+  token.attr[1]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
+
+  if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
+
+  // digest
+
+  const u8 *hash_pos = token.buf[0];
+
+  digest[0] = hex_to_u32 ((const u8 *) &hash_pos[0]);
+  digest[1] = 0;
+  digest[2] = 0;
+  digest[3] = 0;
+
+  digest[0] = byte_swap_32 (digest[0]);
+
+  // salt
+
+  const u8 *salt_pos = token.buf[1];
+  const int salt_len = token.len[1];
+
+  salt->salt_buf[0] = hex_to_u32 ((const u8 *) &salt_pos[0]);
+
+  salt->salt_buf[0] = byte_swap_32 (salt->salt_buf[0]);
+
+  salt->salt_len = salt_len / 2; // 4
+
+  return (PARSER_OK);
+}
+
+int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const void *digest_buf, MAYBE_UNUSED const salt_t *salt, MAYBE_UNUSED const void *esalt_buf, MAYBE_UNUSED const void *hook_salt_buf, MAYBE_UNUSED const hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size)
+{
+  const u32 *digest = (const u32 *) digest_buf;
+
+  const int line_len = snprintf (line_buf, line_size, "%08x%c%08x", digest[0], hashconfig->separator, salt->salt_buf[0]);
+
+  return line_len;
+}
+
+void module_init (module_ctx_t *module_ctx)
+{
+  module_ctx->module_context_size             = MODULE_CONTEXT_SIZE_CURRENT;
+  module_ctx->module_interface_version        = MODULE_INTERFACE_VERSION_CURRENT;
+
+  module_ctx->module_attack_exec              = module_attack_exec;
+  module_ctx->module_benchmark_esalt          = MODULE_DEFAULT;
+  module_ctx->module_benchmark_hook_salt      = MODULE_DEFAULT;
+  module_ctx->module_benchmark_mask           = MODULE_DEFAULT;
+  module_ctx->module_benchmark_salt           = MODULE_DEFAULT;
+  module_ctx->module_build_plain_postprocess  = MODULE_DEFAULT;
+  module_ctx->module_deep_comp_kernel         = MODULE_DEFAULT;
+  module_ctx->module_deprecated_notice        = MODULE_DEFAULT;
+  module_ctx->module_dgst_pos0                = module_dgst_pos0;
+  module_ctx->module_dgst_pos1                = module_dgst_pos1;
+  module_ctx->module_dgst_pos2                = module_dgst_pos2;
+  module_ctx->module_dgst_pos3                = module_dgst_pos3;
+  module_ctx->module_dgst_size                = module_dgst_size;
+  module_ctx->module_dictstat_disable         = MODULE_DEFAULT;
+  module_ctx->module_esalt_size               = MODULE_DEFAULT;
+  module_ctx->module_extra_buffer_size        = MODULE_DEFAULT;
+  module_ctx->module_extra_tmp_size           = MODULE_DEFAULT;
+  module_ctx->module_extra_tuningdb_block     = MODULE_DEFAULT;
+  module_ctx->module_forced_outfile_format    = MODULE_DEFAULT;
+  module_ctx->module_hash_binary_count        = MODULE_DEFAULT;
+  module_ctx->module_hash_binary_parse        = MODULE_DEFAULT;
+  module_ctx->module_hash_binary_save         = MODULE_DEFAULT;
+  module_ctx->module_hash_decode_potfile      = MODULE_DEFAULT;
+  module_ctx->module_hash_decode_zero_hash    = MODULE_DEFAULT;
+  module_ctx->module_hash_decode              = module_hash_decode;
+  module_ctx->module_hash_encode_status       = MODULE_DEFAULT;
+  module_ctx->module_hash_encode_potfile      = MODULE_DEFAULT;
+  module_ctx->module_hash_encode              = module_hash_encode;
+  module_ctx->module_hash_init_selftest       = MODULE_DEFAULT;
+  module_ctx->module_hash_mode                = MODULE_DEFAULT;
+  module_ctx->module_hash_category            = module_hash_category;
+  module_ctx->module_hash_name                = module_hash_name;
+  module_ctx->module_hashes_count_min         = MODULE_DEFAULT;
+  module_ctx->module_hashes_count_max         = MODULE_DEFAULT;
+  module_ctx->module_hlfmt_disable            = MODULE_DEFAULT;
+  module_ctx->module_hook_extra_param_size    = MODULE_DEFAULT;
+  module_ctx->module_hook_extra_param_init    = MODULE_DEFAULT;
+  module_ctx->module_hook_extra_param_term    = MODULE_DEFAULT;
+  module_ctx->module_hook12                   = MODULE_DEFAULT;
+  module_ctx->module_hook23                   = MODULE_DEFAULT;
+  module_ctx->module_hook_salt_size           = MODULE_DEFAULT;
+  module_ctx->module_hook_size                = MODULE_DEFAULT;
+  module_ctx->module_jit_build_options        = MODULE_DEFAULT;
+  module_ctx->module_jit_cache_disable        = MODULE_DEFAULT;
+  module_ctx->module_kernel_accel_max         = MODULE_DEFAULT;
+  module_ctx->module_kernel_accel_min         = MODULE_DEFAULT;
+  module_ctx->module_kernel_loops_max         = MODULE_DEFAULT;
+  module_ctx->module_kernel_loops_min         = MODULE_DEFAULT;
+  module_ctx->module_kernel_threads_max       = MODULE_DEFAULT;
+  module_ctx->module_kernel_threads_min       = MODULE_DEFAULT;
+  module_ctx->module_kern_type                = module_kern_type;
+  module_ctx->module_kern_type_dynamic        = MODULE_DEFAULT;
+  module_ctx->module_opti_type                = module_opti_type;
+  module_ctx->module_opts_type                = module_opts_type;
+  module_ctx->module_outfile_check_disable    = MODULE_DEFAULT;
+  module_ctx->module_outfile_check_nocomp     = MODULE_DEFAULT;
+  module_ctx->module_potfile_custom_check     = MODULE_DEFAULT;
+  module_ctx->module_potfile_disable          = MODULE_DEFAULT;
+  module_ctx->module_potfile_keep_all_hashes  = MODULE_DEFAULT;
+  module_ctx->module_pwdump_column            = MODULE_DEFAULT;
+  module_ctx->module_pw_max                   = MODULE_DEFAULT;
+  module_ctx->module_pw_min                   = MODULE_DEFAULT;
+  module_ctx->module_salt_max                 = module_salt_max;
+  module_ctx->module_salt_min                 = module_salt_min;
+  module_ctx->module_salt_type                = module_salt_type;
+  module_ctx->module_separator                = MODULE_DEFAULT;
+  module_ctx->module_st_hash                  = module_st_hash;
+  module_ctx->module_st_pass                  = module_st_pass;
+  module_ctx->module_tmp_size                 = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_warmup_disable           = MODULE_DEFAULT;
+}