A set of four semi-stealth viruses, not fully analyzed. In addition there are two shorter variants, 158 and 276 bytes, with no stealth-like abilities.
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.