4/4: Mytob-C Worm Looks For Flaw
April 4, 2005
W32/Mytob-C is a mass-mailing worm with IRC backdoor functionality which can also infect computers vulnerable to the LSASS (MS04-011) exploit. The worm will attempt to harvest email addresses from the local hard disk by scanning files with extensions WAB, PL, ADB, TBB, DBX, ASP, PHP, SHTL and HTM.

More information can be found at Sophos page.