Ransomware is nasty stuff. This type of malware encrypts files on your PC so that you can’t access them—unless you pay the attacker to unlock the data. In other words, your files are held hostage until you cough up the demanded ransom, unless you’re able to survive the ransomware attack using other means. CBS News recently ran a cautionary segment on the Scattered Spider ransomware group, underscoring just how much damage ransomware can do—so it pays to be prepared. The hackers shut down Las Vegas casinos, causing millions in damage. Your personal computer is less of a target, but why tempt fa…