Are you using mcaffe antivirus and Norton ?

Next: Take some preventative measures
Put in place a good hosts file http://www.mvps.org/winhelp2002/hosts.htm
How To Download and Extract the HOSTS file: http://www.mvps.org/winhelp2002/hosts2.htm
How did that go ?
To help avoid reinfection see "So how did I get infected in the first place?"
http://forums.spybot.info/showthread.php?t=279