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  3. W32.Xpaj.B

W32.Xpaj.B

Risk Level 1: Very Low

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 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
W32.Xpaj.B is a virus that infects .dll, .exe, .scr, and .sys files on the compromised computer.

Antivirus Protection Dates

  • Initial Rapid Release version September 16, 2009 revision 017
  • Latest Rapid Release version February 19, 2013 revision 016
  • Initial Daily Certified version September 16, 2009 revision 024
  • Latest Daily Certified version January 21, 2013 revision 019
  • Initial Weekly Certified release date September 16, 2009
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: Moderate
  • Removal: Difficult

Damage

  • Damage Level: Medium
  • Payload: May download more files on to the compromised computer.
  • Modifies Files: Infects certain files on the computer.

Distribution

  • Distribution Level: Low
  • Shared Drives: Spreads through removable drives.
  • Target of Infection: Infects certain files on the computer.
Writeup By: Kaoru Hayashi and Piotr Krysiuk

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