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 c0 42
81c04220889e8a1cadbc222d25dc16a7eab8e066 81c0424e8ea3a1ce1073aad01fc652524f34b642 81c042c73ee6f174786b357b5b4f51a6b4fac664