the thread here may help you out:
http://www.tek-tips.com/gviewthread..../83/qid/709135)
http://www.tek-tips.com/gviewthread..../83/qid/709135
Theres a fair amount of stuff to sift through to find the relevant stuff.
I definitely agree with everyone that said get spybot, adaware, and CWshredder.
A friend of mine had this problem and he was able to get rid of it w/ the help of CWshredder (spybot/adaware/his antivirus didn't detect anything wrong.