![]() If the user gets on the hook, crooks can easily harvest sensitive information and install more malware onto the Mac. The impostor will recommend installing a remote access tool for quick troubleshooting. These bogus messages often impersonate Apple to feign legitimacy. By displaying fake warnings within a web browser, these nuisance programs attempt to hoodwink the unsuspecting user into dialing a telephone number to reach a “certified technician” who will supposedly help sort things out. Mac adware is also a notorious driving force for tech support scams. This way, criminals push dodgy “cleaners” that claim to fix those problems for a fee. ![]() Sometimes the user is wrongfully alerted to performance issues and viruses. The tricky layer hosts redundant, commercially flavored items such as floating banners or interstitial ads promoting freebies, discounts, and junk services. ![]() When running on a Mac, these dubious applications can add a virtual “coating” to websites the user is visiting. Any double-dealing software that floods the victim’s device with intrusive pop-ups fits the mold of adware as well. Over the years, the concept has extended its reach beyond web surfing interference alone. Strictly speaking, adware is a form of harmful code that displays annoying advertisements to generate revenue for its “masters.” This term was originally coined to denote potentially unwanted applications that trigger in-browser ads or redirect Internet traffic to knock-off online stores.
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