How do I fix this? Check Browser Settings and Extensions Your Mac may contain spyware to collect browser activities or gather sensitive personal information.You constantly get redirected to various sites filled with ads, banners and pop-ups.Your web browser settings has been modified.They can also be classified as Potentially Unwanted Programs (PUPs). You may have downloaded it by mistake from not reading a checkbox during a software installation process. They are not malicious like viruses or malware, but they are quite frustrating to deal with. What is a Browser Hijacker?īrowser Hijackers are usually promoted from bundled download packages of free software. Learn how to get rid of annoying Browser Hijackers on your Mac to prevent hackers stealing your private data or information.