Machines running macOS are being constantly shelled by adware, fake optimization utilities, and even relatively exotic pests such as coin miners and ransomware. Fast forward to present day, and the big picture has changed dramatically. There were hardly any threats potent enough to get around the user authorization barriers and the built-in protection mechanisms.

Macs were a nearly malware-free territory a decade ago. Redirects Safari, Google Chrome, and Mozilla Firefox to displays “Your computer is low on memory” fake alerts How do I make sure that Search Marquis virus is gone?.How do I stop redirects in a web browser?.How do I remove Search Marquis virus from my Mac?.How did Search Marquis virus get on my Mac?.What are additional symptoms of Search Marquis infection on Mac?.