Please report any scam domains to any antivirus company that will accept a report from regular people. Lots of them make web filters in browser extensions and/or their security products and appreciate information like that being submitted to them.
Addendum! If you see a scam call center impersonating one or more antivirus companies. Report the scam to antivirus companies too.
https://analysis.avira.com/en/submit
https://safebrowsing.google.com/safebrowsing/report_phish/
https://safebrowsing.google.com/safebrowsing/report_badware/?hl=en
For some reason the link to comodo’s form shows up as an ad or something, sorry about that.