How do cybercriminals typically distribute ransomware?

The e-mail will typically include an attachment or a link that, when clicked, will download and set up the ransomware onto the victim's computer system. Another way is to exploit vulnerabilities in software application or systems to set up ransomware remotely.

https://gulfoilspillrecovery.org/?p=1499 What takes place once ransomware is set up on a victim's computer?

It will generally secure all of the files on the computer as soon as ransomware is set up on a victim's computer system. The cybercriminal will then require a ransom from the victim, typically in the type of cryptocurrency, in order to decrypt the files and return access to the victim. In many cases, the cybercriminal may threaten to publish the victim's information if the ransom is not paid.

What are some steps that people can require to protect themselves from ransomware?

There are a couple of steps that people can take to safeguard themselves from ransomware.  see here It's essential to be aware of the ways that ransomware can be distributed and to be suspicious of any e-mails or attachments that you get from unidentified sources.