@jab1 Yes indeedy... and a google search comes with this page...
https://betanews.com/2017/09/14/your-windows-has-been-banned-malware-makes-an-unwelcome-return/#comm...
Which, in itself, does not say "how" the scam is delivered... presumably an email attachment,. the usual .. "click here for more details" type request.
interestingly... this link also give a "free" way to disable the lock... which may or may not work on this years versions
This page, explains a bit more,
http://news.thewindowsclub.com/windows-has-been-banned-malware-90532/
and says...
Users, encountering the error message on their lock screen, must note, that that the malware is already installed on their system.
In such a scenario they should perform a malware check immediately and scan the PC for viruses and malware.
How to avoid getting infected
You should always avoid clicking on suspicious links in emails and visiting unknown entities on the internet. Keeping your PC up to date and using updated antivirus tools is necessary to keep such dangers away.
More info here.
https://www.enigmasoftware.com/windowshasbeenbannedscreenlocker-removal/
