diff --git a/src/Makefile.am b/src/Makefile.am
index 6978bf03..f1f113bd 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -156,6 +156,7 @@ file_C			= filegen.c \
 			  file_pst.c \
 			  file_ptb.c \
 			  file_pyc.c \
+			  file_pzf.c \
 			  file_qbb.c \
 			  file_qdf.c \
 			  file_qxd.c \
diff --git a/src/file_list.c b/src/file_list.c
index 3886a62e..846bca24 100644
--- a/src/file_list.c
+++ b/src/file_list.c
@@ -159,6 +159,7 @@ extern const file_hint_t file_hint_psp;
 extern const file_hint_t file_hint_pst;
 extern const file_hint_t file_hint_ptb;
 extern const file_hint_t file_hint_pyc;
+extern const file_hint_t file_hint_pzf;
 extern const file_hint_t file_hint_qbb;
 extern const file_hint_t file_hint_qdf;
 extern const file_hint_t file_hint_qxd;
@@ -345,6 +346,7 @@ file_enable_t list_file_enable[]=
   { .enable=0, .file_hint=&file_hint_pst  },
   { .enable=0, .file_hint=&file_hint_ptb  },
   { .enable=0, .file_hint=&file_hint_pyc  },
+  { .enable=0, .file_hint=&file_hint_pzf  },
   { .enable=0, .file_hint=&file_hint_qbb  },
   { .enable=0, .file_hint=&file_hint_qdf  },
   { .enable=0, .file_hint=&file_hint_qxd  },
diff --git a/src/file_pzf.c b/src/file_pzf.c
new file mode 100644
index 00000000..0c0d5c77
--- /dev/null
+++ b/src/file_pzf.c
@@ -0,0 +1,76 @@
+/*
+
+    File: file_pzf.c
+
+    Copyright (C) 2009 Christophe GRENIER <grenier@cgsecurity.org>
+  
+    This software is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+  
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+  
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write the Free Software Foundation, Inc., 51
+    Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#include <stdio.h>
+#include "types.h"
+#include "filegen.h"
+
+static void register_header_check_pzf(file_stat_t *file_stat);
+static int header_check_pzf(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new);
+static void file_check_pzf(file_recovery_t *file_recovery);
+
+const file_hint_t file_hint_pzf= {
+  .extension="pzf",
+  .description="GraphPrism 4",
+  .min_header_distance=0,
+  .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+  .recover=1,
+  .enable_by_default=1,
+  .register_header_check=&register_header_check_pzf
+};
+
+static const unsigned char pzf_header[8]=  {
+  'P' , 'C' , 'F' , 'F' , 'G' , 'R' , 'A' , '4'
+};
+
+static void register_header_check_pzf(file_stat_t *file_stat)
+{
+  register_header_check(0, pzf_header, sizeof(pzf_header), &header_check_pzf, file_stat);
+}
+
+static int header_check_pzf(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
+{
+  if(memcmp(buffer, pzf_header, sizeof(pzf_header))==0)
+  {
+    reset_file_recovery(file_recovery_new);
+    file_recovery_new->extension=file_hint_pzf.extension;
+    file_recovery_new->file_check=&file_check_pzf;
+    return 1;
+  }
+  return 0;
+}
+
+static void file_check_pzf(file_recovery_t *file_recovery)
+{
+  const unsigned char pzf_footer[17]= {
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x01,
+    0x40
+  };
+  file_search_footer(file_recovery, pzf_footer, sizeof(pzf_footer), 0);
+}