MyDoom.BC appeared on February 18th, 2005. It is a minor variant of MyDoom.BB. MyDoom.BC adds a few new sites from which the worm attempts to download the additional Backdoor (Backdoor.Win32.Surila.o). Mydoom.BB
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.