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Aside from dissuading victims from handing over money that may help fund further such attacks , they caution that it is not guaranteed the attackers will return control of people ’s computers even if they pay the assailants in bitcoin , a digital currency favored in such ransomware attacks that can be difficult to trace .
 ransom: handing over money
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: handing over money