From here you can browse all malware analysis in the database by hash.

The output is sub-categorized by the first three sets of Octets. To browse to your hash, you can either search for it, or click through the first 3 sets of bytes in the hash of the malware to locate the matching output if it exists.

Browse 81 b1 66
81b166477b1b01951ce73859223b0b2d293ab4e7 81b1666950cdbb1faf5892ba77d7db1109b625c4 81b166e9583be100aaf88e66ac0f310b552ef1c4