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In the WannaCry attack , users were given three days to make the payment before the fee increased , and seven days before the files would be lost forever .
 three days: time; seven days: time; the files would be lost forever: attack pattern; users: 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:
 three days: time; seven days: time; the files would be lost forever: attack pattern; users: victim