Threat Description

Grog

Details

Aliases:Grog, Gorg
Category: Malware
Type:
Platform: W32

Summary



This is large family or loosely-related viruses from Italy. They all contain a reference to 'Grog' in internal texts. Sizes of the viruses range from 200 to over 2000 bytes.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

You may wish to refer to the Support Community for further assistance. You also may also refer to General Removal Instructions for a general guide on alternative disinfection actions.



Technical Details



Earlier variants infect only COM files. Later ones are resident, infect COM and EXE files and employ encyrption.

There is a wide variety of texts contained within the variants.

Grog viruses are not common outside Italy.

In February 1996 there were over 50 different Grog variants.





Description Created: Mikko Hypponen, F-Secure


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