Symantec Security Response has developed a removal tool to clean the following infections:

W32.Mydoom.A@mm
W32.Mydoom.B@mm
W32.Mydoom.F@mm
W32.Mydoom.G@mm
W32.Mydoom.H@mm
W32.Mydoom.L@mm
W32.Mydoom.M@mm
W32.Mydoom.Q@mm
Backdoor.Zincite.A
W32.Zindos.A
Backdoor.Nemog

The W32.Mydoom@mm Removal Tool does the following:

Terminates W32.Mydoom@mm, Backdoor.Zincite.A, W32.Zindos.A, and Backdoor.Nemog viral processes.
Terminates the viral thread running under Explorer.exe.
Deletes W32.Mydoom@mm, Backdoor.Zincite.A, W32.Zindos.A, and Backdoor.Nemog files.

Reverses the changes made to the registry by all aforementioned threats. Repairs the Hosts file, if the computer infected with Backdoor.Nemog.