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.

Abacre Antivirus is new generation of antivirus software which reliably protects Windows-based computers from internet viruses worms and Trojans spreading via email and local networks, macro viruses and old executable viruses. It?s strictly based on 5 main principles: 1. Reliability of healing viruses due to novice virus detection algorithms; 2. Stability of work; 3. Fast scanning speed; 4. Extremely low CPU load; 5. Reasonable price.

Remote removal of huge numbered SoBig viruses without needing of downloading all emails

Now is the peak of Sobig virus epidemic. The worst thing is that you have to download tons of unwanted messages that infected by this virus. This program is intendend to help you to deal with this infected flood. It will try to prevent you from downloading all unwanted e-mails infected by the Sobig virus. Please, note that this program will detect ONLY I-Worm.Sobig.F virus that is active today.

In response to resent attack of I-Worm.Sobig email virus, Abacre
Corporation released own antivirus called: Abacre I-Worm.Sobig
Virus Remover. If computer is already infected, then programs removes virus. Then it periodically checks pop3 mailboxes and removes infected email messages directly from server side without downloading
them. The program can be successfully used with any pop3 email
clients: Outlook, Outlook Express, Eudora, The Bat.