It detects the current version of Windows and Office.
If the tool fails to run, it is usually due to one of two things: kmsauto.2018.v1.5.3
It launches a small service that mimics a Microsoft activation server. It detects the current version of Windows and Office
Security firms consistently flag KMSAuto variants as potentially unwanted programs (PUPs) or hack tools. More dangerously, many "repacked" versions available on dubious download sites contain real malware—ransomware, keyloggers, cryptocurrency miners, or backdoors for botnets. According to a 2020 report by Malwarebytes, KMSAuto-related files were found in over 15% of piracy-related malware detections. kmsauto.2018.v1.5.3
It installs a Generic Volume License Key (GVLK) suited for that version.