"CryptXXX, like other crypto-ransomware variants, encrypts files and directs the victim to a Tor .onion website to pay for the key to unlock them. The malware attempts to mount every possible drive to search for files, looking for networked drives and external devices as well as local disks. It demands a steep ransom to get those files—in some cases, over $500 worth of Bitcoin.-link to source"-source link
Ransomware is a malware attack that encrypts(codifies into hyper secure nigh unbreakable practically undecipherable data) your data, often all of your data, the only reasonable way out is with the key to unlock your data which they only say they'll give you in exchange for money(and there have been many times when it has not been given even after handing in the money.). As the article mentions attached storage, pen drives, external hard drives, sometimes even backups like drop box or onedrive can be compromised. Optical data storage is impervious, as is remotely stored nonconnected backups assuming if there's a company with it it isn't compromised.
This has affected businesses like hospitals and it's serious stuff. Important stuff should be had in nonconnected long lasting backup media.
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