Hash Lookup

Look up file hashes against the CIRCL Hashlookup database to identify known clean and known malicious files.

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🔍 Hash Lookup

Check an MD5, SHA-1, or SHA-256 hash against CIRCL Hashlookup — a free database aggregating NSRL (known-good software) and CIRCL's known-malicious indicators.

Hash type is auto-detected by length: 32 = MD5, 40 = SHA-1, 64 = SHA-256.