In the meanwhile, I would once again like to recommend to everyone who thinks their computers might have been affected by malware to run SpyBot and AdAware -- standard antivirus software doesn't always catch all spyware, and you want to make sure that you have removed anything that might have installed itself via one of those bad banners.
"I don't know half of you half as well as I should like; and I like less than half of you half as well as you deserve."