PP97M ("PpowerPoint 97 Macro") is a family name for PowerPoint Macro viruses. For example, if you're looking for the description of "PP97M/Attach", "PP/Attach" or "PowerPoint/Attach" virus, see the description of "Attach".
Disinfection & Removal
Allow F-Secure Anti-Virus to disinfect the relevant files.
For more general information on disinfection, please see Removal Instructions.