For ArcGIS 10.2.2, a repack often implies a version. Legitimate Esri installers require a valid license file ( .prvc or .ecp ) and a license manager. Repacks may promise to eliminate these steps using a "keygen" or patched .dll files.
If you are looking for a functional and legal way to use GIS software, here are the standard options:
Do you need this specific version to run a ?
A: Yes. Most antivirus programs will flag repack files as "Potentially Unwanted Programs" (PUPs) or malware due to the nature of crack files. This indicates significant risk rather than guaranteeing malware presence.