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The attackers typically demand a ransom , often in Bitcoin or other cryptocurrencies , as a condition of unlocking the computer and allowing access to the system .
 The attackers: attacker; Bitcoin: payment method; computer: victim; system: victim; other cryptocurrencies: payment method
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:
 The attackers: attacker; Bitcoin: payment method; computer: victim; system: victim; other cryptocurrencies: payment method