The worm previous identified as NetSky.AH and NetSky.AG has been renamed to Buchon. A closer look revealed that they have little in common. For more details, please see Buchon
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 scanning & removal options
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.