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Ransomware is a type of malicious software ( malware ) designed to block access to a computer system until a sum of money is paid .
 ransom: money is paid
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 ransom: money is paid