avast! Virus Cleaner is a free tool that will completely remove selected viruses from PC.
It is able to stop viruses that are active in memory, it will disinfect your files, remove virus registry & startup items, and virus working files.
Currently, it can handle these virus families: Badtrans, Beagle, Blaster, BugBear, Ganda, Klez, MiMail, MyDoom, Nachi, NetSky, Nimda, Opas, Parite, Sasser,Scold, Sircam, Sober, Sobig, Swen, Yaha,Zafi incl. var.