520
“ This ransomware virus was a variant and the state worked with its antivirus software provider to implement a fix today .
 its antivirus software provider: releaser; a fix: patch; today: time; the state: releaser
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: patch vulnerability 
  Option: issues addressed, patch, vulnerability, time, vulnerable system version, releaser, patch number, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 its antivirus software provider: releaser; a fix: patch; today: time; the state: releaser