Munin is a free malware analysis solution. Stairwell Variant Discovery is a commercial malware analysis solution by Stairwell. Features, integrations, deployment and the company behind each one, side by side.
An online hash checker utility that retrieves information from various online sources, including Virustotal, HybridAnalysis, and more.
Expands a single malware hash into full family visibility via structural analysis.
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Based on what each listing shows: deployment, company size, price and open source.
Munin fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product.
Stairwell Variant Discovery fits if you want a cloud product.
Common questions when comparing Munin vs Stairwell Variant Discovery for malware analysis.
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.
The table above shows where their features, integrations, deployment and company size fit differ.
Munin is open-source with 846 GitHub stars. Stairwell Variant Discovery is made by Stairwell. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Munin and Stairwell Variant Discovery are both Malware Analysis products, and both cover Cyber Threat Intelligence. Key differences: Munin is Free while Stairwell Variant Discovery is Commercial, Munin is open-source. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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