The easiest way would be to exclude via the “global exclusions”.
There is “no” universal exclusion list. As David mentioned making
exclusions would be the best route, or sending the files to the virus lab.
If you are worried that if someone uses your software and the result could be a false positive,
the best suggestion is to submit the files to the avast virus lab.
This might help https://support.avast.com/Tickets/Submit/RenderForm