DavidR
2
As far as I’m aware avast has never used any bitdefender code and I have been using avast for over 13 years.
Have you ever used an online scanner from bitdefender ?
Lots of hist on a search for bitdefender threat scanner.dmp https://uk.search.yahoo.com/search?p=bitdefender+threat+scanner.dmp.
Also others getting a bitdefender when it isn’t installed, https://www.experts-exchange.com/questions/28179659/Getting-Bitdefender-Threat-Scanner-error-and-it-isn’t-even-installed-on-computers.html. See the bitdefender.png image attached to the first post, are you also getting that too ?
And https://www.safer-networking.org/faq/bitdefender-threat-scanner-dmp/.