Mydoom.J was found in the wild on April 20th, 2004. This virus is still under analysis, but it seems to recycle code from earlier Mydoom variants as well as some parts from Bugbear. For more details, please see 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.