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A computer infected with the Fatboy malware will display the above message , explaining that the user ’s files have been encrypted , stating the ransom amount , and warning the user against interfering with the ransomware .
 the user ’s files have been encrypted: attack pattern; Fatboy malware: tool; ransomware: tool; 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:
 the user ’s files have been encrypted: attack pattern; Fatboy malware: tool; ransomware: tool; user: victim