Some victims have tremendous difficulty obtaining the bitcoins to pay the ransom – most exchanges have strong identity verification requirements, and often the delay before allowing trades is longer than the ransomware’s deadline. Not to mention the frequent delays getting Bitcoin transactions through at all. Bitcoins are so hard for normal people to use that from CryptoLocker on, ransomware operators have been known to provide technical support to victims, so they can work out how to pay them and unlock their files. F-Secure even compiled a customer service evaluation of ransomware gangs.
