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.

Detects and removes many worms, trojans and backdoors: Mytob, Mydoom, Beagle, Netsky, Sasser, Blaster Zafi, Startpage
Switches
/G - Don't check the AVK Monitor status (optional)
/N - Scan mapped network drives (optional)
/I - Do NOT remove Internet temporary files and Cookies (optional)
/D - Delete specified file, path required (optional)

More info: http://wirusy.antivirenkit.pl/

Recover My Files is a powerful data recovery and file recovery utility. Recover deleted files, including DOC, XLS, JPG, digital camera photos, ZIP, RAR, DBX, PST, email, MP3, MPEG and more. Recover file emptied from the Recycle Bin, from a formatted hard disk, lost due to a system crash or virus infection, such as the MyDoom virus. The demo includes a FREE Preview of deleted files.

Webroot MyDoom Remover is a free utility that can quickly scan your system to detect and remove the MyDoom worm aka MyDoom/W32.Novarg.A@mm and WORM_MIMAIL.R. This lightweight application runs without installing any components on your system and passes results of the scan to a Webroot hosted web page. For comprehensive results, including recommendations for preventing future infections, the tool should be run with an open Internet connection.