1. Symantec/
  2. Security Response/
  3. W32.Bobax.Z@mm


Risk Level 2: Low

June 3, 2005
February 13, 2007 12:39:40 PM
Also Known As:
Win32.Bobax.U [Computer Associ, Net-Worm.Win32.Bobic.d [Kasper, W32/Bobax.worm.o [McAfee], W32/Bobax-Gen [Sophos], WORM_BOBAX.P [Trend Micro]
Systems Affected:

W32.Bobax.Z@mm is a mass-mailing worm that lowers security settings and allows a compromised computer to be used as a covert proxy. The worm also sends an email to addresses gathered from the compromised computer.

The worm propagates by exploiting the Microsoft Windows LSASS Buffer Overrun Vulnerability (described in Microsoft Security Bulletin MS04-011).

Note: W32.Bobax.Z@mm is a minor variant of W32.Bobax.N.

Antivirus Protection Dates

  • Initial Rapid Release version June 3, 2005
  • Latest Rapid Release version September 28, 2017 revision 037
  • Initial Daily Certified version June 3, 2005
  • Latest Daily Certified version September 29, 2017 revision 001
  • Initial Weekly Certified release date June 3, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Maryl Magee

Search Threats

Search by name
Example: W32.Beagle.AG@mm
STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
  • Twitter
  • Facebook
  • LinkedIn
  • Google+
  • YouTube