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It had locked data on computers it struck , which could only be released after a paying a ransom in bitcoins .
 in bitcoins: payment method; computers: victim; locked data: attack pattern
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 in bitcoins: payment method; computers: victim; locked data: attack pattern