cryptotester

Utility tool for performing cryptanalysis with a focus on ransomware cryptography

Platforms: Windows · Last verified September 6, 2026

Utility tool for performing cryptanalysis with a focus on ransomware cryptography

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

Included by default in a FLARE VM install (`cryptotester` package). See the official VM-Packages listing linked above for details.

Windows-based reverse-engineering and malware-analysis distribution