If you are getting notifications from MobileTraits, then your Mac is infected with adware. MobileTraits is adware for Mac.
MobileTraits changes setting in your Mac. First, MobileTraits installs a browser extension in your browser. Then, after MobileTraits hijacks your browser, it modifies settings in the browser. For example, it changes the default home page, modifies search results, and displays unwanted pop-ups in your browser.