1. Symantec/
  2. Security Response/
  3. Hacktool.JPEGShell


Risk Level 1: Very Low

September 25, 2004
February 13, 2007 12:27:49 PM
Also Known As:
Trojan Horse
Systems Affected:

Hacktool.JPEGShell is a Trojan horse program that can be used to generate .jpg files that exploit the Microsoft GDI+ Library JPEG Segment Length Integer Underflow vulnerability (described in the Microsoft Security Bulletin MS04-028).

The generated .jpg files are detected by Symantec Antivirus products as Trojan.Moo.

Antivirus Protection Dates

  • Initial Rapid Release version September 25, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version September 25, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date September 28, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Fergal Ladley

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2016 Internet Security Threat Report, Volume 21
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