Why RollBack Rx snapshots cannot be touched by Crypto/ransomware
http://blog.horizondatasys.com/why-rollback-rx-snapshots-cannot-be-touched-by-cryptoransomware/
Thanks. I will take a look at the free version
The consumer version is $69 so may be worth it.
http://www.horizondatasys.com/en/products_and_solutions.aspx?ProductId=40#Features