If you believe this keyword refers to a legitimate internal company file or a renamed script, – do not execute it.
If the cost is prohibitive, look into powerful, free open-source alternatives like FreeCAD or LibreCAD .
Cybercriminals frequently re-package popular keygens with malware (Trojans, Cryptominers, or Information Stealers). Because the file modifies system internals, it is often flagged by heuristic antivirus engines.