I'm trying to evict "coolwebsearch" from my flatmates XP machine - so far it's proving impossible - anyone else had to throw a few hours of their life away trying to remidy this Bill Gates sponsered balls up? Did you succeed?
If you haven't already tried all the obvious stuff (Spybot SD and AdAware etc) you could try HijackThis, a spyware cleaner that is just for browser helper objects. A cursory Google makes this harder to remove, have you tried the help at http://www.scumware.com/apps/scumware.php/action::view_article/article_id::1075329940/topic::Scumware,-Spyware,-Adware-&-Malware-Applications/ ?It seems that the author of the CWSShredder (who is incidentaly the author of HijackThis too) has been DDOS'd off the internet, and new variants are almost impossible to clean. (http://66.102.7.104/search?q=cache:qfdFBYoRvTcJ:www.spywareinfo.com/~merijn/+Merijn+Bellekom%27&hl=en) Craig