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Media Prima Berhad 's computer systems have been locked out by cyber attackers who are demanding millions of ringgit in ransom .
 cyber attackers: attacker; Media Prima Berhad: victim; computer systems: victim; have been locked out: attack pattern; millions of ringgit: price
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:
 cyber attackers: attacker; Media Prima Berhad: victim; computer systems: victim; have been locked out: attack pattern; millions of ringgit: price