OSX/Genieo has many variants. It is classified as a Potentially Unwanted Program (PUP)/Adware and often installs a browser extension/hijacker [1]. It is developed by an Israeli company Genieo Innovation [2].

References:

1. http://www.thesafemac.com/tag/genieo/
2. https://en.wikipedia.org/wiki/Genieo