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“ On Monday , May 15 , a security researcher from Google posted an artifact on Twitter potentially pointing at a connection between the WannaCry ransomware attacks that recently hit thousands of organizations and private users around the world , and the malware attributed to the infamous Lazarus hacking group , responsible for a series of devastating attacks against government organizations , media and financial institutions , ” Kaspersky said .
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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:
 None