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Discovered:
- December 11, 2004
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Updated:
- February 13, 2007 12:30:55 PM
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Type:
- Worm
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Systems Affected:
- Windows 2000, Windows XP
W32.Janx is a worm that attempts to exploit the Microsoft Windows LSASS Buffer Overrun Vulnerability (
Microsoft Security Bulletin MS04-011).
The worm spreads by randomly scanning IP addresses for vulnerable systems. The worm also connects to an IRC server and waits for commands.
Antivirus Protection Dates
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Initial Rapid Release version December 12, 2004
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Latest Rapid Release version September 28, 2010 revision 054
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Initial Daily Certified version December 12, 2004
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Latest Daily Certified version September 28, 2010 revision 036
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Initial Weekly Certified release date December 15, 2004
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
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Wild Level: Low
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Number of Infections: 0 - 49
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Number of Sites: 0 - 2
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Easy
Distribution
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Distribution Level: Medium
Writeup By: Kaoru Hayashi
