1. Symantec/
  2. Security Response/
  3. W32.Randex.BD


Risk Level 1: Very Low

December 9, 2003
February 13, 2007 12:14:42 PM
Also Known As:
Backdoor.IRCBot.gen [Kaspersky
Systems Affected:

W32.Randex.BD is a network-aware worm that attempts to connect to a predetermined IRC server to receive instructions from its author. The existence of the files CfgDll32.exe or cmst32.exe is an indication of a possible infection.

The worm is written in Microsoft Visual C++ and is packed with UPX.

Antivirus Protection Dates

  • Initial Rapid Release version December 9, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version December 9, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date December 10, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Asuka Yamamoto

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2016 Internet Security Threat Report, Volume 21
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