Due to the recent media coverage of ransomware attacks several people for whom I've provided personal computer support in the past have expressed concerned. The majority of these people are running either Ubuntu or Kubuntu linux, but not all are fully patched and up to date.
Are Linux systems in general, and Ubuntu-derived systems in particular, vulnerable to any known ransomware attacks in the wild? I intend to help these people patch, update, and properly backup their systems. However, some of these will take time for me to get to so I need to know how much of a priority to put on this.
I stress that I have a personal relationship with these people, not a business relationship. All entities that I have provided professional Linux desktop support for already have backup systems in place, including test restorations to independent systems. I am evaluating now the possibility that the malware may encrypt the backups as well, of course. That is a priority!