Apparently Avira was up to this shenanigan last year:

500M Avira Antivirus Users Introduced to Cryptomining https://krebsonsecurity.com/2022/01/500m-avira-antivirus-users-introduced-to-cr
yptomining/

Looks like Avast could be next as Avast/Avira/Norton are all owned by the same players.

--- BBBS/Li6 v4.10 Toy-5
* Origin: The Rusty MailBox - Penticton, BC Canada (1:153/757)