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.
Allow F-Secure Anti-Virus to disinfect the relevant files.
For more general information on disinfection, please see Removal Instructions.
Technical Details: Katrin Tocheva and Sami Rautiainen, F-Secure