424
Kaspersky Lab , a cybersecurity and antivirus provider in Moscow , said in a statement that a security researcher at Google found an “ artifact ” on Twitter potentially linking the WannaCry ransomware attacks that hit organizations and individuals in several dozen countries and the Lazarus hacking group which was responsible for several devastating cyberattacks on government organizations , media firms and financial institutions in recent years .
 None
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