547
However , the authors of the " WannaCry " ransomware attack told their victims the amount they must pay will double if they do not comply within three days of the original infection , by Monday in most cases .
 the authors: attacker; victims: 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 authors: attacker; victims: victim