2780
Once it had infiltrated the device , the malicious software demanded a ransom of $ 500 dollars to unlock the screen , which simulated a warning from the Department of Justice .
 it had infiltrated the device: attack pattern; the malicious software: tool; $ 500 dollars: 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:
 it had infiltrated the device: attack pattern; the malicious software: tool; $ 500 dollars: price