This is a simple Word macro virus that adds the Win.INI setting as follows:
Beside replication, WM/Dave.A shows a scrolling message "Dave..." in the Word's status bar.
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.