Symantec.com > Enterprise > Security Response > W32.Grifout.Worm

W32.Grifout.Worm

Discovered:
February 27, 2002
Updated:
February 13, 2007 11:45:46 AM
Also Known As:
I-Worm.Radix.b, W32/Grifout@MM
Type:
Worm

W32.Grifout.Worm is a 32-bit Internet worm. It spreads by using MAPI to send email through Microsoft Outlook.

This worm runs in memory at Windows startup and maintains a socket connection across the Internet. The connection is designed to allow a connection from a controlling client application, which can remotely manipulate the infected system .

Antivirus Protection Dates

  • Initial Rapid Release version February 28, 2002
  • Latest Rapid Release version March 11, 2011 revision 032
  • Initial Daily Certified version February 28, 2002
  • Latest Daily Certified version March 11, 2011 revision 025
  • Initial Weekly Certified release date pending
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Patrick Nolan

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