Redirection: clicking on a link that contains adware may result in you being redirected to unexpected websites.These can appear in banners, search results and in the middle of website text. More ads: if your Mac is infected with adware, you may see more advertisements than usual.

Some of these pop-ups will likely appear in places they shouldn’t ordinarily be. It may also cause individual ads or windows to appear in quick succession, or more frequently than usual. Pop-ups: adware may result in several pop-ups being launched at once.These may appear in isolation, so don’t assume you need to see all of them together before concluding that adware is present on your device. There are a number of signs your Mac may be infected by adware. Known signs your Mac is infected with adware On the other, it can even collect your data and sell this on to third-parties, who most likely won’t have your best interests at heart.

On the one hand, it can simply make browsing the internet incredibly frustrating, with pop-ups and unexpected redirects stopping you from doing what you want to do. Regardless of its source, adware presents a real threat to users. Some developers may be able to infect otherwise legitimate apps or programs with their adware. For example, the operators of the Shlayer trojan (which is often used to install adware) have been reported to offer payments to website owners, YouTubers and even Wikipedia editors to direct visitors towards malicious downloads. Its aim is usually to generate revenue for its developer via clicks, but it may also have more sinister uses, such as collecting your personal and financial information.Īdware can infect Macs through apps you download, either from the official Apple App Store or - more commonly - elsewhere on the Web. What is adware and why is it dangerous?Īdware is a form of malicious code that causes your internet browser to display pop-up ads or windows when you’re online. They’re becoming more common with each passing year, with AV-TEST data showing that 673,676 new variants of macOS malware were developed in 2020 alone, compared to 58,193 in 2019.įortunately, there are ways of detecting and removing Mac adware, so that you can continue using your computer and browsing the Web as normal.

Sure, you may think your Mac is safe from viruses, but the opposite is actually the case, and adware represents one of the biggest threats to Apple-made computers out there.Īdware for Macs is a type of potentially unwanted program (PUP) that’s designed to infect your device so it displays intrusive in-browser advertisements or redirects you to suspicious websites.

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