Announced that Microsoft will target Windows Defender to "software that misleads users when they need to pay"

Since March 1, 2018, Microsoft announced that it will target disinfection of malicious system optimization software and registry cleaner in anti-virus software "Windows Defender" made by the company.

Protecting customers from being intimidated into making an unnecessary purchase - Microsoft Secure
https://cloudblogs.microsoft.com/microsoftsecure/2018/01/30/protecting-customers-from-being-intimidated-into-making-an-unnecessary-purchase/


"Windows Defender" is now preinstalled from Windows Vista Microsoft anti-virus software."Anti-virus software other than Windows Defender should not be installed", former Mozilla developers talkWe received high praise such as.


What is newly targeted for disinfection after March is "software that misleads the user that payment is necessary." A typical one is called a registry cleaner or PC optimization software. It is said to be "clean up the system for free", "speed up the operation of the PC" and download it, and when executed, a lot of errors It induces purchase of a paid version with a display as if found. On Microsoft's official blog, "These software has problems as it applies unnecessary pressure to guide users to purchase."

MicrosoftFebruary 2016We also released a view on similar software and had been subjecting to cleanups and optimization tools "we do not provide information on the details of the operation" for some time, but in March 2018 After that we will expand the scope of disinfection for all software that issues misunderstanding messages that users are required to pay.

In addition, software developersMicrosoft's pageYou can check if it is detected by Windows Defender on above.