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- Discovered:
- September 9, 2004
- Updated:
- February 13, 2007 12:27:17 PM
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.Mydoom.U@mm is a mass-mailing worm that uses its own SMTP engine to send itself to the email addresses that it finds on an infected computer. The subject and message body vary, and the attachment has a .bat, .cmd, .exe, .pif, .scr, or .zip extension. It is similar to W32.Mydoom.P@mm.
Virus definitions dated prior to September 9, 2004 detect this threat as W32.Mydoom.gen@mm.
Antivirus Protection Dates
- Initial Rapid Release version September 10, 2004
- Latest Rapid Release version September 28, 2010 revision 054
- Initial Daily Certified version September 10, 2004
- Latest Daily Certified version September 28, 2010 revision 036
- Initial Weekly Certified release date September 15, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
- Wild Level: Low
- Number of Infections: 0 - 49
- Number of Sites: 0 - 2
- Geographical Distribution: Low
- Threat Containment: Easy
- Removal: Easy
Damage
- Damage Level: Medium
Distribution
- Distribution Level: High
Writeup By: Heather Shannon
