This private data is then shared with third parties (potentially, cyber criminals) seeking to misuse it for financial gain. They monitor browsing activity (URLs visited, pages viewed, search engine history, etc.) and gather personal information (IP addresses, geolocations, and personal details). In this way, they deliver ads (pop-ups, banners, surveys, coupons, etc.), which diminish the browsing experience by overlaying web page content and limiting browsing performance. By implementing various tools, they enable third party graphical content to be displayed on any site. Additionally, they run intrusive advertisement campaigns. PUAs generate redirects to sale-oriented, untrustworthy, compromised, and even malicious websites. In fact, unwanted applications cause numerous problems and are a threat to device and user safety. Note that apps such as K9-MacOptimizer are often distributed together with other PUAs (e.g. Even if purchased, they are unable to perform the advertised functions. In most cases, these applications are untrusted and nonoperational. I.e., in effect, purchase K9-MacOptimizer. When users attempt to remove these issues, they find that they are required to purchase the activation key.
When installed, K9-MacOptimizer runs a system scan and detects various 'issues'.
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