Opening or closing the document or any activity which invokes the viral macros, activates the virus. At this point, the macro viruses try to spread themselves to other documents. Macro viruses spread easily through e-mail packages. The ability of these packages to send and quickly launch documents can infect hundreds of users at a time. Documents are much more mobile than executable files, passing from machine to machine as different people, write, edit or access them.
Macro viruses can therefore spread very quickly through business offices and corporations.
Continue to vigilently scan with VirusScan. Use Office 95A from Microsoft. Install MVTools from Microsoft.