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Using " scareware " messages and posing as law enforcement , the scammers used the pop - ups to extort money in the form of iTunes gift cards from the victim , promising to unlock the browser for a sum of money .
 the scammers: attacker; iTunes gift cards: payment method; the victim: victim; used the pop - ups: 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:
 the scammers: attacker; iTunes gift cards: payment method; the victim: victim; used the pop - ups: attack pattern