A series of 8 boring viruses.
This virus has nothing to do with Hadra (also know as I-Worm.Hydra) worm. Further information about it is available at: https://www.F-Secure.com/v-descs/hadra.shtml
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.