If you are getting notifications from AuraLookup, then your Mac is infected with adware. AuraLookup is adware for Mac.
AuraLookup changes setting in your Mac. First, AuraLookup installs a browser extension in your browser. Then, after AuraLookup 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.