W32.Shakir

Discovered:
March 13, 2003
Updated:
February 13, 2007 12:12:59 PM
Type:
Worm
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Shakir is a mass-mailing worm that uses Microsoft Outlook to send itself to all the contacts in the Outlook Address Book.

This threat is written in the Microsoft Visual Basic programming language and is compressed with UPX.

Antivirus Protection Dates

  • Initial Rapid Release version March 14, 2003
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version March 14, 2003
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date March 19, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu

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