1. Symantec/
  2. Security Response/
  3. W32.AllocUp.A


Risk Level 2: Low

April 4, 2005
February 13, 2007 12:36:22 PM
Also Known As:
Net-Worm.Win32.AllocUp.a [Kasp, DDoS-Boxed [McAfee], BKDR_ROBOBOT.AD [Trend Micro]
Systems Affected:

W32.AllocUp.A is a network-aware worm that opens a back door on a random TCP port. The worm attempts to spread by exploiting the Microsoft Windows Local Security Authority Service Remote Buffer Overflow (as described in Microsoft Security Bulletin MS04-011).

Antivirus Protection Dates

  • Initial Rapid Release version April 5, 2005
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version April 5, 2005
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date April 6, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Ka Chun Leung

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