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Check out our video library AppCheck defending against newest ransomware, automatic recovery and real-time backup.

  • Distribution Method : Automatic infection using exploit by visiting website
 
  • MD5 : a4eeec442799c56c3e1aa9761661fb42
 
  • Major Detection Name : Ransom.Eris (Malwarebytes), Ransom:Win32/Eris.PA!MTB (Microsoft)
 
  • Encrypted File Pattern : .<5-Digit Random Extension>
 
  • Malicious File Creation Location :
     - C:\ProgramData\00000000.eky
     - C:\ProgramData\00000000.ext
     - C:\ProgramData\00000000.pky
 
  • Payment Instruction File : HELP-<Encryption Extension>.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Block processes execution (Microsoft.Exchange.*, MSExchange*, mysqld.exe, sqlserver.exe, sqlwriter.exe)
     - Disable system restore (vssadmin delete shadows /all /quiet, wmic shadowcopy delete, wbadmin delete catalog -quiet, bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no)
     - Interrupt file recovery using "C:\Windows\SysWOW64\cipher.exe" cipher /W:<Drive Letter>:

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