W97M/Panther.A infects the global template when an infected document
is opened. Then it disables the built-in macro virus protection.
After the global template has been infected, the virus infects all
documents that are opened.
The virus does not do anything besides replication.
This variant is functionally identical with W97M/Panther.A
This variant is functionally identical with W97M/Panther.I
[Analysis: Katrin Tocheva and Sami Rautiainen, F-Secure]