Munin vs Stairwell Variant Discovery: Side-by-Side Comparison (2026)

Munin: An online hash checker utility that retrieves information from various online sources, including Virustotal, HybridAnalysis, and more..

Stairwell Variant Discovery: Expands a single malware hash into full family visibility via structural analysis. built by Stairwell. Core capabilities include Structural similarity analysis to identify malware variants beyond hash-based detection, Private encrypted file vault storing all executables, scripts, and artifacts with no expiration, Malware family tree mapping showing variant evolution, host propagation, and time windows..

Both serve the Malware Analysis market but differ in approach, feature depth, and target audience.

Munin is open-source with 846 GitHub stars. Stairwell Variant Discovery is developed by Stairwell. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Munin and Stairwell Variant Discovery serve similar Malware Analysis use cases: both are Malware Analysis tools, both cover Cyber Threat Intelligence. Key differences: Munin is Free while Stairwell Variant Discovery is Commercial, Munin is open-source. Review the feature comparison above to determine which fits your requirements.