1871
A bug in the way that Mobile Safari handles pop - up dialogs has been abused to scare iOS users into paying a “ fine ” in the form of an iTunes pre-paid card .
 iOS users: victim; an iTunes pre-paid card: payment method; Mobile Safari handles pop - up dialogs has been abused: attack pattern
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:
 iOS users: victim; an iTunes pre-paid card: payment method; Mobile Safari handles pop - up dialogs has been abused: attack pattern