Yet another tech support scammer number

i was just browsing the internet as this appears

"Windows defender says

Customer your system has detected possible suspicious activity please call the toll-free number below for a microsoft-certified technician to help you resolve this:
020 3868 7847"

Can’t call them with fireRTC

Hosted in Bulgaria. IP: Hosted by Namecheap, Inc.

Notes:Makes your mouse disappear and plays loud sounds.

Whois protection

SPF:v=spf1 ~all