In some cases, those ads cause unwanted downloads or installations by running certain scripts.īrowser hijackers promote fake search engines by changing settings such as the address of a default search engine, homepage, and (or) new tab, and do not allow users to remove the address of a fake search engine from those settings as long as they are installed. It is common for those ads to be designed to open questionable websites. Another important detail about PUAs is that they often are distributed together with adware, browser hijackers, and other apps of this kind.Īdware-type applications display pop-up ads, banners, surveys, coupons, and other unwanted (and annoying) advertisements. In conclusion, it is strongly recommended not to pay money for programs like PC Cleaner Perfect - they are likely to be useless (run fake scans without actually removing any unwanted entries or fixing other problems). The main purpose of such PUAs is to trick users into believing that after purchasing a full version, they will be able to improve computer performance, remove unwanted (or even malicious) programs, etc. It is important to mention that potentially unwanted applications can be designed to run fake scans. PC Cleaner Perfect allows users to scan the operating system for unwanted entries but does not remove them unless users register it (enter a purchased registration/activation key. PC Cleaner Perfect is supposed to clean Registry, Windows logs, startup items to improve computer performance. Apps that users install inadvertently are called potentially unwanted applications (PUAs). Therefore, it is likely that users could install PC Cleaner Perfect unknowingly. It is known that this program is promoted using questionable methods. PC Cleaner Perfect is advertised as a tool that cleans unwanted data stored on a computer to optimize its performance.
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