W32.Golsys.8020

Risk Level 1: Very Low

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Discovered:: August 2, 2002
Updated:: February 13, 2007 11:40:00 AM
Type:: Virus
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Golsys.8020 is a multi-threaded Win32 virus. When executed, it creates the file %system%\Sysl0gon.exe. The virus will also attempt to infect all executable files that it can find, both on the local hard drive and on mapped drives.

NOTE: %system% is a variable. The virus locates the System folder. By default this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP). The worm copies itself to that location.

Definitions dated prior to August 2, 2002 detect this virus as BloodHound.W32.1.

Antivirus Protection Dates

Initial Rapid Release version August 2, 2002
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version August 2, 2002
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date August 7, 2002

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: Medium

Distribution

Distribution Level: Low

Writeup By: Neal Hindocha

Technical Details

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Internet Security Threat Report, Volume 16