I read through this article already and I know that UNC shares in general are safe. But with all the variants and copy cats I'm wondering if it is safe to have the UNC folder \\%servername%\share linked in Quick Access or Favorites in File Explorer instead of mapping to a drive letter. Does the ransomeware target this location or not?
No Ransomware variant enumerates your prefetch files fas a method of discovering open network shares... Most sophisticated variants active in-the-wild today will enumerate any and all shares that the infected device has access to, so regardless of whether your map the drive to a letter or not, it will still be targeted. Not the case for ALL variants, though.