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- Discovered:
- May 15, 2005
- Updated:
- February 13, 2007 12:38:50 PM
- Also Known As:
- Win32.Mytob.DA [Computer Assoc, Net-Worm.Win32.Mytob.t [Kasper, W32/Mytob.gen@MM [McAfee], W32/Mytob-EM [Sophos], WORM_MYTOB.EM [Trend Micro]
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.Mytob.CF@mm is a mass-mailing worm that uses its own SMTP engine to send an email to addresses that it gathers from the compromised computer. The worm also opens a back door and spreads through the network by exploiting the Microsoft Windows DCOM RPC Interface Buffer Overrun Vulnerability (described in Microsoft Security Bulletin MS03-026) and the Microsoft Windows Local Security Authority Service Remote Buffer Overflow (as described in Microsoft Security Bulletin MS04-011).
Antivirus Protection Dates
- Initial Rapid Release version May 15, 2005
- Latest Rapid Release version May 15, 2005
- Initial Daily Certified version May 15, 2005
- Latest Daily Certified version May 15, 2005
- Initial Weekly Certified release date May 16, 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: Kaoru Hayashi
