AVG - Grisoft offers many useful virus removal Utilities for free.The utilities can be used to remove of some of the most common viruses. The list is updated on regular basis on their website.http://www.grisoft.com/ww.virus-removal

I-Worm/Stration, Worm/Generic.FX, Agent.A-AN, BackDoor.Agent.A-Z, BackDoor.Agent.AA-BG, Downloader.Agent.AS, I-Worm/Atak.A-I, Bagle.DA-IU, I-Worm/Bagle.A-Z, I-Worm/Bagle.AA-JD, I-Worm/Bugbear.D, I-Worm/Mytob.A-GC, I-Worm/Netsky.A-Z, Worm/Netsky.AA-AD, I-Worm/Sasser.A-F, I-Worm/Zafi.A-E, PSW.Bispy.A-E, Win32/Gaelicum, Win32/Hidrag
I-Worm/Bugbear.C I-Worm/Ganda I-Worm/Happy99 I-Worm/Lovgate.C I-Worm/Luder

To Download and for complete list please visit: http://www.grisoft.com/ww.virus-removal