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Prior to this incident , Thanatos encrypted files on a user ’s PC by hijacking it using a brute force method .
 Thanatos: tool; encrypted files: attack pattern; PC: victim; hijacking it using a brute force method: attack pattern; user: victim
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:
 Thanatos: tool; encrypted files: attack pattern; PC: victim; hijacking it using a brute force method: attack pattern; user: victim