Report a URL to Google:

To report a phishing URL to Google: Report Phishing Page

To report a malware URL to Google: Report malicious software

To report a Report spammy, deceptive, or low quality webpage to Google.

Where to file a complaint:

Internet Crime Complaint Center IC3 - File a Cyber Scam complaint with the IC3

The FTC at http://www.reportfraud.ftc.gov/

The Commodity Futures Trading Commission (CFTC) at https://www.cftc.gov/complaint

The U.S. Securities and Exchange Commission (SEC) at https://www.sec.gov/tcr

If you are located in Europe at https://www.europol.europa.eu/report-a-crime/report-cybercrime-online

The cryptocurrency exchange company you used to send the money (if applicable)

If you are located in California, with DFPI at https://dfpi.ca.gov/file-a-complaint/

How to find out more about the scammer domain:

https://whois.domaintools.com/google.com - Replace the google.com URL with the scam website url. The results will tell you how long the domain has been around. If the domain has only been registered for a few days/weeks/months, it's usually a good indicator that its a scam.

Misc. Resources

https://dfpi.ca.gov/crypto-scams/ - The scams in this tracker are based on consumer complaints in California. They represent descriptions of losses incurred in transactions that complainants have identified as part of a fraudulent or deceptive operation.