Just used one online virus scanner on hexminer.exe from the technobit website and only avast recognizes it as a torjan horse (MSIL:BitCoinMiner-B):
https://www.virustotal.com/en/file/45e2e2adad8d9a7811c2e928171d821d6ce0d816f0cdfb4a0061e947b5943b31/analysis/1389839836/
(SHA1, SHA256 and MD5 under "Additional Information")

MSIL:BitCoinMiner-B is not new, there are posts on the internet from 2012. For me this looks like a false positive.