Perhaps SCAM

1) The site https://mct.plus certificate is invalid.
2) The site https://mct.plus contains a transfer to the phishing site of the unwanted software www .... cpm20 .... com

https://www.virustotal.com/#/url/946bc5fdea78e5f3461aff187aecd9121ab280aaffd4130caa92e8ba35c34966/details



05/29/2018 21.24.29 SSL connection with an invalid certificate detected Connection lost Time: 05/29/2018 21:24 Certificate error: Invalid certificate name. The name is not included in the list of allowed or explicitly excluded from it.
05/29/2018 21.20.57 Dangerous web address is detected https://www.cpm20.com/watch?key=789a4129e78c00008a47b36e23d65ea7 Object: https://www.cpm20.com/watch?key=789a4129e78c00008a47b36e23d65ea7 Object type: Web address The program : Firefox Time: 05/29/2018 9:20 PM