Discovered: September 16, 2009
Updated: September 18, 2009 5:58:45 AM
Also Known As: Mal/Xpaj-B [Sophos], W32/Xpaj [McAfee], Win32/Xpaj.A [Computer Associates]
Type: Virus
Infection Length: 143,360 Bytes
Systems Affected: Windows 98, Windows 95, Windows XP, Windows Me, Windows Vista, Windows NT, Windows Server 2003, Windows 2000
W32.Xpaj.B is a virus that infects .dll, .exe, .scr, and .sys files on the compromised computer.
Antivirus Protection Dates
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Initial Rapid Release version September 16, 2009 revision 017
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Latest Rapid Release version September 16, 2009 revision 017
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Initial Daily Certified version September 16, 2009 revision 024
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Latest Daily Certified version September 16, 2009 revision 024
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Initial Weekly Certified release date September 16, 2009
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: Moderate
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Removal: Difficult
Damage
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Damage Level: Medium
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Payload: May download more files on to the compromised computer.
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Modifies Files: Infects certain files on the computer.
Distribution
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Distribution Level: Low
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Shared Drives: Spreads through removable drives.
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Target of Infection: Infects certain files on the computer.
Writeup By: Kaoru Hayashi and Piotr Krysiuk