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