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


Risk Level 2: Low

June 18, 2002
February 13, 2007 11:48:24 AM
Also Known As:
W32/Kwbot.worm [McAfee], W32/KWBot-A [Sophos], Win32.Kowbot.12 [CA], WORM_KWBOT.A [Trend], Worm.Win32.SdBot [AVP]
Systems Affected:

W32.Kwbot.Worm has backdoor Trojan capability, which allows a hacker to gain control of the compromised computer. The worm can update itself by checking for newer versions over the Internet. W32.Kwbot.Worm disguises itself as popular movie, game, or software files, and it attempts to spread across KaZaA file-sharing networks by tricking KaZaA users into downloading the program and opening it.

November 6, 2002. Changed to Category 2 based on increased prevalance.

Antivirus Protection Dates

  • Initial Rapid Release version June 19, 2002
  • Latest Rapid Release version February 19, 2017 revision 025
  • Initial Daily Certified version June 19, 2002
  • Latest Daily Certified version February 20, 2017 revision 003
  • Initial Weekly Certified release date June 19, 2002
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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