Open the zip to see if it contains a readme.txt . This usually provides the developer's name and installation instructions.
If you did not download this from a verified source, be cautious:
Mods with this naming convention are common for Grand Theft Auto (specifically GTA V or San Andreas), allowing players to spawn NPCs who protect them.
which game or software you were looking to modify with this file?
The file format and versioning resemble the "v1.00" sub-patches or specific guard-logic enhancements often found on community forums like The Pit (JA-Galaxy) .