a type of software that is designed to block access to a computer system until a sum of money is paid 勒索软件,敲诈软件(封锁用户的计算机系统,付钱后方解封) The criminals behind this particular ransomware attack demanded $192 from users to unlock their computer systems. 这次特殊的勒索软件攻击背后的罪犯要求用户支付192美元来解锁他们的计算机系统。