1. Symantec/
  2. Security Response/
  3. W32.Sober.Q@mm


Risk Level 2: Low

October 5, 2005
February 13, 2007 12:45:09 PM
Also Known As:
CME-151, Sober.Y [Panda Software], W32/Sober.r@MM [McAfee], WORM_SOBER.AC [Trend Micro]
Systems Affected:

W32.Sober.Q@mm is a mass-mailing worm that uses its own SMTP engine to spread. It sends itself as an email attachment to addresses gathered from the compromised computer. The email may be in either English or German.

It has been reported that it may arrive as one of the following files and that inside the ZIP archive is a file named PW_Klass.Pic.packed-bitmap.exe:
    • KlassenFoto.zip
    • pword_change.zip

Antivirus Protection Dates

  • Initial Rapid Release version October 5, 2005
  • Latest Rapid Release version August 8, 2016 revision 023
  • Initial Daily Certified version October 5, 2005
  • Latest Daily Certified version August 9, 2016 revision 001
  • Initial Weekly Certified release date October 5, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Masaki Suenaga

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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