W97M/Rendra is 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 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.
When an infected document is opened, W97M/Rendra.A disables the macro virus protection and infects the global template.
After that every document that is closed will be infected.
When a new document is created, the virus inserts the following large green text to it:
Microsoft vous souhaite la bienvenue !!!
The virus also adds the following green text to the active document when it is closed:
Further, the virus shows a message box with the following text after September, 15th:
Merci d'avoir utilis ce bel outil qu'est M.S.WORDS !!! Bill GATES vous le rendra