Advanced Mac Cleaner is a rogue Mac optimization program, that provides false scan results in order to make users purchase the program. It shows users alerts and pop-ups messages saying, that their Mac has severe issues and/or viruses. Advanced Mac Cleaner has quality design and looks like many other programs of this type. Although application, obviously, uses misleading tactics to promote itself and forces users to buy it, most antiviruses cannot detect Advanced Mac Cleaner.
Mac Cleanup Pro is fraudulent application for macOS. It uses the deceptive tactic to infiltrate user's computers, performs a fake scan for viruses and errors and always finds severe problems, even on brand new machines. It then asks ~$120 for program activation and removal of non-existent viruses. After this Mac Cleanup Pro encourages people to call Premium Techie Support, where a real person (probably from India or China) will try to sell additional support plans and applications like Mac Space Reviver, Mac Adware Cleaner, and Unpollute My Mac, that cost from $300 to $600. This is totally scam, and you need to block and chargeback all these transactions. After this, please, perform instructions on this page to remove Mac Cleanup Pro and all residual data, and get the software to protect your Mac from malicious applications.
Mac Auto Fixer (a clone of rogue Mac Defender) is bogus Mac OS optimization and antivirus utility. Maftask is the name of the main process of this deceptive application. It claims to find numerous errors, viruses, and other issues on clean machines. After deeper research, those problems appear to be non-existent or not essential. Mac Auto Fixer asks 118 Euros for a 2-year license to fix these issues. There are and there will be lots of applications similar to Mac Auto Fixer, but with other names and designs. There are few proven apps for Mac, that are not only able to perform Mac OS maintenance, but also remove potentially unwanted programs, like Mac Auto Fixer.
Captcha-verification.systems is an untrustworthy and even dangerous website, that uses technical features of modern browsers (Google Chrome, Mozilla Firefox, Edge, Safari) to push ads, pop-ups and notifications to users desktops. In particular, notifications function in those browsers, which was invented and developed for convenience on news and video sites, is exploited by third-party advertising cloacas, like Captcha-verification.systems and similar, for delivering unwanted and fairly annoying ads directly to the desktop. Often, this is a result of virus infection, but sometimes website just tricks users changing the settings by using deceptive phrases.