This was the craziest tech support scam I have ever encountered. It literally blasted the most high pitch sound through my speakers to where I thought I was going to die and it tried downloading hundreds of files (295 before I stopped it) which made Safari lag terribly.
Phone Number: +1 855 697 6333
The website uses a special url that only works once so it's pointless sharing it but here is what the website said:
"
WARNING!
MAC OS is infected with Viruses and other malicious applications. Viruses must be removed and system damage repaired. It is necessary to call Apple Support +1-855-697-633 and follow Virus removal procedure immediately, please proceed.
**If you leave this site your Mac OS will remain damaged and vulnerable**
"