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- Discovered:
- March 7, 2005
- Updated:
- February 13, 2007 12:34:45 PM
- Also Known As:
- IM-Worm.Win32.Kelvir.b [Kasper, W32/Kelvir.worm.c [McAfee], W32/Kelvir-C [Sophos], WORM_KELVIR.B [Trend Micro]
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP
W32.Kelvir.B is a worm that spreads through Windows Messenger and MSN Messenger and attempts to download and execute a variant of W32.Spybot.Worm.
Antivirus Protection Dates
- Initial Rapid Release version March 7, 2005
- Latest Rapid Release version March 7, 2005
- Initial Daily Certified version March 7, 2005
- Latest Daily Certified version March 7, 2005
- Initial Weekly Certified release date March 7, 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: 50 - 999
- Number of Sites: More than 10
- Geographical Distribution: Low
- Threat Containment: Easy
- Removal: Moderate
Damage
- Damage Level: Medium
Distribution
- Distribution Level: Medium
Writeup By: Ka Chun Leung
