Checks computer location settings

Looks up country code configured in the registry, likely geofence.

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.

Windows security modification

Checks whether UAC is enabled

Enumerates connected drives

Attempts to read the root path of hard drives other than the default C: drive.

Drops autorun.inf file

Malware can abuse Windows Autorun to spread further via attached volumes.