How did Spigot penetrate into my Mac system then? Typically, most malware like Spigot comes from two different paths. What happens when your Mac is infected by Spigot malware, firstly you are unable to change your homepage, secondly, you will get a lot of junk popup ads on the screen, thirdly, many possibilities that your Mac could be exposured to more viruses and malware through those junk ads. Spigot is known as a hijacker and what it does is to block you to access the settings of the web browser. Today we are going to help you to remove Spigot extension on Mac. Can’t redirect homepage due to the Spigot search engine infection?