This is a simple Word macro virus.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
While spreading, Footer.A creates these two files:
The virus activates by overwriting the footer area in opened documents.
W97M/Footer was found in the wild in February 1999.
This is a minor variant of Footer.A that is functionally identical with it.
Technical Details: Katrin Tocheva, F-Secure, February 1999 - September 2000