• I.Worm.MTX aka MTX:
  A virus-worm spreading under Win32 systems. The virus infects Win32 executable files, attempts to send e-mail messages with infected attached files, as well as installs a backdoor component to download and spawn "plugins" on an affected system.
  Check out the Latest Viruses and Latest Worms (MS) page.

F-Secure
Kaspersky
Symantec
Trend Micro