ASPack v2.12-2.42

Detects executables packed with ASPack v2.12-2.42

Checks computer location settings

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

Executes dropped EXE

Loads dropped DLL

UPX packed file

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

Writes to the Master Boot Record (MBR)

Bootkits write to the MBR to gain persistence at a level below the operating system.