Recuva seems to be sending what looks like encrypted data back to analytics.ff.avast.com - what information is Recuva sending to the Avast servers? is this not part of the opt-out btw. the opt-out is hidden and difficult to find. Any details on analytics.ff.avast.com?
https://support.avg.com/answers?id=9060N0000005K7tQAE
https://forum.avast.com/index.php?topic=228936.0
https://community.ccleaner.com/topic/52838-more-tracking-and-data-gathering/
As you may know Piriform Avast Avg etc are owned by the same company .. Norton (now called Gen Digital)