Download and run "CWSchredder" from this site. http://www.spywareinfo.com/~merijn/downloads.html

Download and run Stinger v2.6.0 from this site. http://vil.nai.com/vil/averttools.asp

Lastly, get yourself some better anti-virus software, keep the defs updated, and get yourself a good firewall, and block anything you're not 100% sure what it is. You can always UNBLOCK it later if it causes a problem.