$_SERVER["REMOTE_ADDR"] = preg_replace('/.*,\s*/','', $_SERVER["HTTP_X_FORWARDED_FOR"]);
Notice: Undefined index: related in /data/www/spywareguide/product_show.php on line 49
Notice: Undefined variable: incprefix in /data/www/spywareguide/product_show.php on line 241
Program that delivers advertisements on your PC.
Note that many websites have their own advertising, unrelated to adware.
SP2Update is an adware component that tracks the web pages visited by user and shows advertisements based on them.