1. Symantec/
  2. Security Response/
  3. W32.HLLW.Studd


Risk Level 1: Very Low

November 28, 2003
February 13, 2007 12:14:26 PM
Also Known As:
W32/Duster [McAfee]
Systems Affected:

W32.HLLW.Studd is a worm that attempts to spread through the KaZaA, IRC, network shares, as well as the mapped network drives. An attacker can remotely control the infected hosts through IRC.

The worm is written in the Delphi programming language.

Antivirus Protection Dates

  • Initial Rapid Release version December 1, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version December 1, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date December 3, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: John Canavan

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