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Researchers say a piece of ransomware disguised as a battery app made its way into the Play store .
 a battery app: trusted entity; the Play store: trusted entity; 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: phishing 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, trusted entity 
Text: {0} 
Answer:
 a battery app: trusted entity; the Play store: trusted entity; ransomware: tool