Erm wiping your drive is a bit excessive auctiongroup........
Although hopefully this issue has been resolved now, using the programs eddieitman suggested is great, however id recomend running any anti-spyware program in "safe mode", .
If you ever get a pop up stating "you have a virus," etc or "your system needs a check up", just close them, usually poo
and cushtydeals, a system restore may not work, as a high number of troijans, viruses, spyware etc, put a file into your system restore folder, and basically everytime you restore, the virus does too