It is clean, the problem is that Norton/Symantec is a piece of garbage that relies nowdays almost entirely on cloud detection and reputation, so it isnt a surprise to see it detecting harmless files (because of low prevalence), it is a False Positive galore.
I fully agree with Firecat (a wilders security forum member) about Symantec:
AV-Comparatives: Malware Protection Test - March 2018
Comparative Malware Protection Assessment