Seems like this or something similar has come up before - Malware warning
Maybe the way to handle it is outlined here?
https://support.intego.com/hc/en-us/articles/207114738-VirusBarrier-False-Positive-#:~:text=If%20you%20believe%20that%20VirusBarrier,Detection%20Team%20for%20further%20analysis.&text=NOTE%3A%20If%20a%20false%20positive,released%20to%20resolve%20the%20issue.