If you are a victim or just wanna help out others, take your time and report the sites that you think is a scam. How?
Check the provider from domain whois and send an email to the registrar. In most cases, abuse contact mail is listed in the whois results.
For ex: https://www.godaddy.com/en-uk/whoisCheck hosting provider and send them an email about the scam site.
For ex: https://hostinglookup.net/ or in some cases just check the nameservers listed in the whois results.If the site uses Cloudflare, report them at abuse form:
https://abuse.cloudflare.com/Reporting to the authorities. Check details for some countries at Metamask site:
https://support.metamask.io/hc/en-us/articles/5168786362779-How-to-report-a-scamReporting scammer blockchain address to the lists may help. But it is a very long shot.
For ex: https://www.chainabuse.com/report
https://info.etherscan.com/report-address/Sometimes, scammers hunt at the Google add results. Just report the add.
Suspicious Site Reporter extension by Google.