W97M/JB is a quite simple Word 97 macro virus.
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 scanning & removal options
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.
W97M/JB is executed when an infected document is opened. At this time the virus adds the following text to the end of the document:
Jim The Great
The virus also adds the following footnote:
Then it infects the global template. After that all opened, closed or created documents will be infected.
Technical Details: Sami Rautiainen, F-Secure