1. Symantec/
  2. Security Response/
  3. W32.Kwbot.B.Worm


Risk Level 1: Very Low

January 2, 2003
February 13, 2007 11:41:58 AM
Also Known As:
W32/Rbit.worm [McAfee], Backdoor.Tankedoor.02 [KAV]
Systems Affected:

The W32.Kwbot.B.Worm attempts to spread itself through the KaZaA file-sharing network. It also has a Backdoor Trojan capability, allowing a hacker to gain control of the compromised computer. It is written in the Microsoft Visual C++ programming language and is compressed with UPX.

Note: The virus definitions released on October 8, 2003 contained an updated detection to account for the discovery of a minor variant of W32.Kwbot.B.Worm.

Antivirus Protection Dates

  • Initial Rapid Release version January 3, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version January 3, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date January 4, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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