coinhive.com ---> JS:MINER-C

I see a few of this problem post but none of them have any solution.

example : https://support.avg.com/answers?id=906b0000000E2BGAA0

uHackme , Malwarebytes , Avast don’t solved my problem.—> When I check/scan no problem/threat were founded.

Whenver I open Firefox , Avast always show pop-up block coinhive.com which I never open it, not even once.

Attach your basic diagnostic logs. (MBAM and FRST)
Instructions: https://forum.avast.com/index.php?topic=194892

1.Malwarebytes Anti-Malware

scan is complete, no threats detected

attach mbam.txt

2.FRST

attach FRST.txt + Addition.txt

and

attach my Avast warning (avast.jpg)