The virus contains the following text:
POSSESSED! Bwa! ha! ha! ha! ha! Authod: JonJon Gumba of AdU
It is reported to delete files occasionally, after it has been resident for a while.
Several variants are known, with slightly different lengths: 2367, 2443 and 2446 bytes.
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.