2411
A ransomware variant which has been relatively inactive for almost two years is back , and this time it 's stealing user credentials from victims in addition to demanding a ransom to unencrypt locked files .
 user credentials: compromised data; victims: victim; A ransomware variant: 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: data breach 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, number of victim, compromised data, number of data 
Text: {0} 
Answer:
 user credentials: compromised data; victims: victim; A ransomware variant: tool