PUP.Optional.Wajam is the detection name for Wajam, a browser add-on marketed as a “social search.”
Qone8 is a browser hijacker that uses several different techniques to make your browser open with their Start page. This detection covers all of those techniques.
Malwarebytes can remove this browser hijacker without further user interaction. However, if your browser has been hijacked, we advise you to have a look at our Restore Browser site to know where to look for other possibly unwanted changes.