Mac Fixer Pro is typical fake optimization app for macOS, that is installed without users consent. It performs fast computer scan and always detects serious issues. Then it actively forces users to buy a license, by showing pop-up reminders and playing creepy voice scripts. Mac Fixer Pro always finds problems, even on brand new machines. Such deceptive programs use similar technical and visual patterns to extort money from users. Rogue apps hiddenly infiltrate Mac systems and get access to critical parts of the OS. Keeping Mac Fixer pro can lead to not only financial loss but also overall privacy and security issues.
OneSafe PC Cleaner belongs to the class of programs called "system optimizers". Such utilities have functionality similar to the wide-range of reputable PC cleaning programs like CCleaner, Advanced System Cleaner and others. However, OneSafe PC Cleaner intentionally shows exxagarated amount of problems on your computer or even false positives (issues, that don't even exist on your machine). If ignored, potentially unwanted program starts to display pop-ups on your desktop with haunting call to fix found issues. Of course, error solving is paid. Aside from that, users complain about uninstalling OneSafe PC Cleaner completely, as it leaves persistent module on their PCs after regular uninstall.
Smart Mac Tuneup is a rogue optimization program for Mac, that gets stuck in your system, consumes resources and displays annoying alerts and pop-ups about viruses and errors. It looks like a typical application of its kind but generates scan results filled with false positive detections and exaggerated amount of issues. Actually, Smart Mac Tuneup finds problems even on brand new Mac computers. Due to those facts, it is classified as a rogue or potentially unwanted application (PUP), and it is recommended to get rid of it. Smart Mac Tuneup runs on system startup and may not be removed in a regular way.
Mac Speedup Pro is rogue optimisation application for MacOS. It hiddenly installs on computer and performs so-called "scan" of your Mac. In the end, loud female voice vocalizes, that severe issues and viruses were found on your Mac. If users clicks "Repair" button, program shows purchase window. In fact, Mac Speedup Pro "detects" performance and security problems even on brand new Mac computer. From what we can make a conclusion, that it is scareware or fake optimisation app. Actually, Mac Speedup Pro is one of the long range of rogue apps like Mac Cleanup Pro, Mac Clean Pro, Advanced Mac Cleaner and others, that utilize similar design and techniques to extort money from inexperienced users.
Malware Crusher is deceptive security application for Windows or MacOS. It sneaks into users computers without asking and performs scan of the system. If user ignores the program signals, Malware Crusher starts generating warnings and alerts, accompanying this with voice comments. Such intrusive and unfriendly marketing methods along with low-quality results of malware detection and protection puts Malware Crusher in the category of potentially unwanted applications (PUA). This badware also puts obstacles when users try to uninstall it.
MacKeeper by Kromtech is one of the most wide-spread and controversial optimisation and security applications for Mac OS. Currently it is considered legitimate and practicable program for performing Mac OS maintenance. However, due to questionable methods of distribution and obsessive behaviour when installed on Mac machines, it is determined by some reputable antivirus products as potentially unwanted application (PUA) or rogue program. For example, BitDefender Antivirus for Mac and Malwarebytes Anti-Malware for Mac detect and offer to remove MacKeeper on our test MacBook Pro. After installing MacKeeper starts showing alerts, reminders and warnings, claiming, that your Mac is "severely infected", "has serious performance issues", or "needs deep cleanup". Annoying windows force some users to buy this application. The scale of the problems is exaggerated, MacKeeper is acting as "scareware".