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They advised those whose networks have been effectively shut down by the ransomware attack not to make the payment demanded , the equivalent of $ 300 , paid in the digital currency bitcoin .
 ransom: ransomware attack
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: ransomware attack