Since it's a generic detection, it could be an FP. Here we go, this may be a long step.
1 Create folder in your Desktop and name it as
Test2 Now, open avast! Interface > Settings > Exclusions
3 Click Browse then search for the folder
Test and put a check beside it
4 Click OK
5 Now, navigate to Maintenance > Virus Chest
5 Locate the dll then right click and select
Extract..6 Select the folder
Test as the location for extraction
7 After extracting, go
here8 Upload the dll file in the folder
Test9 Provide us a link to the results