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The research team at Check Point found that one of the pre-installed malwares was Slocker , a mobile ransomware , that uses the Advanced Encryption Standard ( AES ) encryption algorithm to encrypt all files on the device and demand ransom in return for their decryption key .
 the device: victim; encrypt all files: attack pattern; uses the Advanced Encryption Standard ( AES ) encryption algorithm: attack pattern; Slocker: tool; mobile ransomware: tool; pre-installed malwares: 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:
 the device: victim; encrypt all files: attack pattern; uses the Advanced Encryption Standard ( AES ) encryption algorithm: attack pattern; Slocker: tool; mobile ransomware: tool; pre-installed malwares: tool