Attached Link: http://www.download.com/Spybot-Search-Destroy/3000-8022_4-10122137.html

Here's a reliable link to get it from. Also try AdAware which you can get from the same site. Unlike anti-virus and firewalls, it doesn't hurt to have several spyware killers. Quite often one will find things that the others don't. Do take care with the results, though, it can be easy to delete something you shouldn't.