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


Risk Level 2: Low

March 6, 2005
February 13, 2007 12:34:43 PM
Also Known As:
Win32.Bropia.T [Computer Assoc, IM-Worm.Win32.Kelvir.a [Kasper, W32/Kelvir.worm.b [McAfee], W32/Kelvir-B [Sophos], WORM_KELVIR.A [Trend Micro]
Systems Affected:

W32.Kelvir.A is a worm that spreads through Windows and MSN Messenger. The worm attempts to download and execute a variant of W32.Spybot.Worm.

The worm arrives in a Windows Messenger window with a link to the file cute.pif.

Note: Virus definitions version 70306r (extended version 3/6/2005 rev. 18) or greater are required to detect this threat.

Antivirus Protection Dates

  • Initial Rapid Release version March 6, 2005
  • Latest Rapid Release version August 8, 2016 revision 023
  • Initial Daily Certified version March 6, 2005
  • Latest Daily Certified version August 9, 2016 revision 001
  • Initial Weekly Certified release date March 6, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Maryl Magee

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