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From this point on , Cerber took over , encrypted files , and displayed its standard ransom note , leaving victims no choice but pay the ransom demand or recover data from backups .
 displayed its standard ransom note: attack pattern; encrypted files: attack pattern; took over: attack pattern; victims: victim; Cerber: tool
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:
 displayed its standard ransom note: attack pattern; encrypted files: attack pattern; took over: attack pattern; victims: victim; Cerber: tool