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