Your macOS gets hot and the fan can’t cope or it speeds up with no obvious reason whyĬheck your activity monitor if any of these are happening, and see whether there are any unusual programs taking up a large amount of your processing power.Text on webpages changing, particularly hyperlinks.Pop-ups and banners either on-screen or in-browser, particularly ones pushing you to download software.A sudden change to your default browser or homepage.This isn’t an exhaustive list, and some of these symptoms could simply occur from day-to-day use. Without performing any scans or being alerted directly by an antivirus software, there are a few things that could potentially alert you to an issue.
