I think you are taking the ransomware threat to a whole new level.
The key from you protecting yourself for such malware is awareness and keeping your programs updated to the latest version.
Yes, using a VM would help you and you will always be able to delete the VM if you are infected but why go through all that trouble when the key is awareness?
Note: About the usage of Linux vs Windows - Some ransomware's haveransomware has the ability to identify the OS and install the malware according to the OS (Although there are lessfewer Linux ransomware'sransomware variants).