W32.Sober.K@mm

Risk Level 2: Low

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Discovered: February 20, 2005
Updated: February 13, 2007 12:33:47 PM
Also Known As: Sober.K [Computer Associates], Sober.K [F-Secure], Email-Worm.Win32.Sober.k [Kasp, W32/Sober.l@MM [McAfee], W32/Sober.K@mm [Norman], Sober.M [Panda Software], W32/Sober-K [Sophos], WORM_SOBER.K [Trend Micro]
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


W32.Sober.K@mm is a mass-mailing worm that uses its own SMTP engine to send itself to email addresses gathered from a compromised computer. The email will be in either English or German.

Protection

  • Initial Rapid Release version February 21, 2005
  • Latest Rapid Release version October 29, 2009 revision 053
  • Initial Daily Certified version February 21, 2005
  • Latest Daily Certified version October 30, 2009 revision 002
  • Initial Weekly Certified release date February 21, 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: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: High

Writeup By: Asuka Yamamoto
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