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- Discovered:
- April 3, 2005
- Updated:
- February 13, 2007 12:36:16 PM
- Also Known As:
- Win32.Mytob.AA [Computer Assoc, Net-Worm.Win32.Mytob.c [Kasper, W32/Mytob.c@MM [McAfee], W32/Mytob-C [Sophos], WORM_MYTOB.V [Trend Micro]
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.Mytob.V@mm is a mass-mailing worm that uses it own SMTP engine to send an email to addresses that it gathers from files on the compromised computer. The email has a variable subject and attachment name. The attachment will have a .bat, .cmd, .doc, .exe, .htm, .pif, .scr, .tmp, .txt, or .zip file extension.
The worm also has the ability to open a back door and spreads through the network by exploiting common system vulnerabilities.
Antivirus Protection Dates
- Initial Rapid Release version April 4, 2005
- Latest Rapid Release version August 20, 2008 revision 017
- Initial Daily Certified version April 4, 2005
- Latest Daily Certified version August 20, 2008 revision 016
- Initial Weekly Certified release date April 6, 2005
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: Moderate
Damage
- Damage Level: Medium
Distribution
- Distribution Level: High
Writeup By: Candid Wueest
