Cerber virus?

Microsoft defender is telling me that I have a virus in my Libreoffice folder.
Link is:
file:C:\Program Files (x86)\LibreOffice 5\program\soffice.bin
Virus name:
Ransom:Win32/Cerber
Is that a virus?

Try to download latest updates for windows defender.

See my answer in earlier post, do-you-think-this-is-a-false-positive-or-a-real-threat

Probably false positive. I had the same problem today with Libre Office 5.1.5. I installed the latest version 5.2.2 and checked the Libre Office folder with windows defender, it does not mark the new version as virus.