There is no virus by this name. However, we sometimes get queries about "Codehammer virus", when people see strange characters on screen and see texts like "(C) Codehammer" or "Codehammer rocks your system".
Codehammer is a commercial company specializing in screen savers and screen mates. You're most likely not infected by a virus in this case but just seeing an entertaining screen mate at work.
For more info, contact Codehammer at https://www.codehammer.com
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.