Mimail
Mimail is a computer worm which first emerged in August 2003; it is transmitted via e-mail. Since its initial release, nearly two dozen variants of the original Mimail worm have appeared. The Mydoom worm, which emerged in January 2004, was initially believed to be a variant of Mimail.  Mimail is written in the C programming language.

External links
 W32.Mimail.A@mm on Symantec.