This is a family of seven simple viruses. Most of them are only able to infect very short programs (shorter than the virus), but longer files will simply be overwritten.
Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.
Find the latest advice in our Community Knowledge Base.
See the manual for your F-Secure product on the Help Center.
Submit a file or URL for further analysis.