164
Ransomware , a kind of malware which locks infected systems , encrypts files and demands a payment in return for decryption , can be debilitating for businesses .
 encrypts files: attack pattern; locks infected systems: attack pattern; Ransomware: tool
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:
 encrypts files: attack pattern; locks infected systems: attack pattern; Ransomware: tool