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With WannaCry , the hackers asked for $ 300 worth of bitcoin from victims , and if they waited over 72 hours to pay , the fine increased to $ 600 .
 ransom: asked for
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: asked for