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W32.Seswol.B

Risk Level 1: Very Low

Discovered:
March 19, 2013
Updated:
March 20, 2013 11:43:41 PM
Type:
Worm
Infection Length:
Varies
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP
W32.Seswol.B is a worm that spreads through removable drives and encrypts certain files on the compromised computer.

Note: Virus definitions dated March 20, 2013 or earlier detect this threat as W32.Arseefour.

Antivirus Protection Dates

  • Initial Rapid Release version March 19, 2013 revision 008
  • Latest Rapid Release version April 25, 2013 revision 004
  • Initial Daily Certified version March 19, 2013 revision 018
  • Latest Daily Certified version April 25, 2013 revision 009
  • Initial Weekly Certified release date March 20, 2013
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: Easy

Damage

  • Damage Level: Medium
  • Modifies Files: Encrypts certain files on the compromised computer.

Distribution

  • Distribution Level: Low
Writeup By: Liang Yuan

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