.NET Reactor proctector

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

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.

Uses the VBS compiler for execution

Suspicious use of SetThreadContext