Sasser.G

Threat description

Details

CATEGORYMalware
TYPEWorm

Summary

Sasser.G is a minor modification of the Sasser.F worm. It shares most of its code and functionality, although it uses a different filename when copying itself into the system and a different mutex name.



Removal

Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

More scanning & removal options

More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

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Technical Details

System Infection

When the worm enters the system it creates a copy of itself in the Windows Directory as 'avserve3.exe'. This copy is added to the Registry as

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]   "avserve3.exe" = "%WinDir%\avserve3.exe"   

It creates mutexes named 'PinaasoSky' and 'Jobaka3'.

Detection

Detection in F-Secure Anti-Virus was published on May 14th, 2004 in update:

Detection Type: PC

Database: 2004-05-14_01

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