Mydoom.H was found on March 3rd, 2004. Its functionality is almost identical to Mydoom.G's. Unless specified otherwise, the information provided for the previous variant applies to this new one. For more details, please refer to Mydoom.G.
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.