This is a family of 8 viruses from Bulgaria, reported to be written by a person named Martin Harizanov. The viruses can be divided into two groups, the first containing variants 1,2,2B and 7 but the other group contains variants 3,4,5 and 6.
Not fully analyzed, but the variants do not appear to be particularly interesting.
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 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.