1. Symantec/
  2. Security Response/
  3. W32.Pet_Tick.G


Risk Level 1: Very Low

July 10, 2001
February 13, 2007 11:57:32 AM
Also Known As:
W32.Malot.int, I-Worm.Petik [Kaspersky], W32/PetTick@MM [McAfee]
Systems Affected:

W32.Pet_Tick.G is a mass-mailing worm that:
  • Infects all the .html files in the \Windows folder
  • Sends country information, which it finds in the Win.ini file, to the attacker
  • Sends copies of the worm to mailto: address, which it finds in the cache folder of Internet Explorer
  • May also modify the Win.ini file

Virus definitions dated prior to July 13, 2001 detect this threat as W32.Malot.int.

Due to bugs, this worm:
  • May cause system instability or cause the system to stop responding when the worm is run.
  • Repeatedly infects files in the \Windows folder.

Antivirus Protection Dates

  • Initial Rapid Release version July 10, 2001
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version July 10, 2001
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date July 10, 2001
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Atli Gudmundsson

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