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.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.
You may also refer to the Knowledge Base on the F-Secure Community site for further assistance.