I reported the issue to Microsoft, and here is there answer:
The file is not malware and we cannot reproduce any detection on the file. If detection is still observed, please follow the steps below to capture support log files from the system reporting detection.
On Windows 10, from elevated command prompt, change to directory “%programfiles%\windows defender” and execute mpcmdrun.exe with option GetFiles:
cd "%programfiles%\windows defender"
mpcmdrun.exe -GetFiles
https://www.microsoft.com/en-us/wdsi/submission/7f876a12-e14d-4e15-9f69-70433998ba30