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.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.
You may also refer to the Knowledge Base on the F-Secure Community site for further assistance.
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 Details: Mikko Hypponen, F-Secure