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


Risk Level 2: Low

May 2, 2005
February 13, 2007 12:38:19 PM
Also Known As:
CME-456, Win32.Sober.N [Computer Associ, Sober.P [F-Secure], Email-Worm.Win32.Sober.p [Kasp, W32/Sober.p@MM [McAfee], W32/Sober-N [Sophos], WORM_SOBER.S [Trend Micro]
Systems Affected:

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

Note: Customers running the lastest versions of Norton Internet Security, Norton AntiVirus, or Symantec AntiVirus Corporate Edition can make use of the product's automated removal functionality to remove this risk.

Antivirus Protection Dates

  • Initial Rapid Release version May 2, 2005
  • Latest Rapid Release version August 8, 2016 revision 023
  • Initial Daily Certified version May 2, 2005
  • Latest Daily Certified version August 9, 2016 revision 001
  • Initial Weekly Certified release date May 2, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Rodney Andres

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