Scam

This is a scam, you are right.

Your iPhone can not get viruses, providing that it isn't jailbroken.

Please shut down this page, do not click any links and do not hand over your personal details/information

Recognise and avoid phishing messages, phony support calls and other scams – Apple Support

Absolutely it's a scam. Without exception all messages claiming that your device has been infected, or that your account has been closed for security reasons, or that a lost phone has been found, are scams. You were right to be suspicious: never follow links or instructions in unexpected emails.

Definitely a SCAM Do not respond, just delete and move on. Check this link...

Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support

Sure is.

install an ad blocker or stop going to websites that serve those kinds of ads.