This virus is probably extinct as it will overwrite .EXE files, and is therefore easily detected. Infected programs will display silly messages when executed, like
Water detect in Co-processor I'm hungry Insert HAMBUGER in drive A:
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.