1. /
  2. Security Response/
  3. W32.Sober.K@mm


Risk Level 2: Low

February 20, 2005
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]
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.

Antivirus Protection Dates

  • Initial Rapid Release version February 21, 2005
  • Latest Rapid Release version June 24, 2014 revision 006
  • Initial Daily Certified version February 21, 2005
  • Latest Daily Certified version August 29, 2012 revision 018
  • Initial Weekly Certified release date February 21, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Asuka Yamamoto

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
Internet Security Threat Report