Hacktool.JPEGDownload

Risk Level 1: Very Low

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Discovered:: September 24, 2004
Updated:: February 13, 2007 12:27:48 PM
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

Hacktool.JPEGDownload is a 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 .jpg files that this Trojan generates can download a URL hardcoded in the .jpg file, and are detected by Symantec products as Download.Trojan.

Antivirus Protection Dates

Initial Rapid Release version September 24, 2004
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version September 24, 2004
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date September 28, 2004

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 0 - 49
Number of Sites: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: Low

Writeup By: Fergal Ladley

Technical Details

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Internet Security Threat Report, Volume 16