OSX/HMining is a series of Potentially Unwanted Programs(PUPs)/Adware acting as a browser hijacker in Safari, Chrome & Firefox, redirecting your homepage to hmining.mobi for search. It is closely related to Genieo and other Mac OS X Adware [1].

References:

1. https://www.endgame.com/blog/technical-blog/what-does-oman-house-cards-and-typosquatting-have-common-om-domain-and-dangers