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

  • Distribution Method : Remote access through Remote Desktop Protocol(RDP) or Terminal Services
 
  • MD5 : bfbb56ff322ee66f0ec2d360ca5d5750
 
  • Major Detection Name : a variant of Win64/Filecoder.FONIX.A (ESET), Ransom.Win64.FONIX.SMTH (Trend Micro)
 
  • Encrypted File Pattern : .Email=[unlocker@cock.li]ID=[<Random>].FONIX / .Email=[unlocker@cock.li]ID=[<Random>].XINOF
 
  • Malicious File Creation Location :
     - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\Help.txt
     - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\How To Decrypt Files.hta
     - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\XINOF.exe
     - C:\ProgramData\Cpriv.key
     - C:\ProgramData\Cpub.key
     - C:\ProgramData\Help.txt
     - C:\ProgramData\How To Decrypt Files.hta
     - C:\ProgramData\SystemID
     - C:\ProgramData\WindowsUpdate.hta
     - C:\ProgramData\XINOF.exe
     - C:\ProgramData\XINOFALERT.png
     - C:\ProgramData\XINOFBG.jpg
     - C:\ProgramData\XINOFLOGO.png
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XINOF.exe
     - C:\Windows\System32\Tasks\exp
     - C:\Windows\System32\Tasks\fonix
     - C:\Windows\System32\Tasks\fonix10
     - C:\Windows\System32\Tasks\fonix11
 
  • Payment Instruction File : Help.txt / How To Decrypt Files.hta
 
  • Major Characteristics :
     - Offline Encryption
     - Generate a fake Windows Updates message when encrypting files (cmd.exe /c "C:\ProgramData\WindowsUpdate.hta")
     - Change a disk name (XINOF)
     - Disable and Blocks Task Manager (DisableTaskMgr)
     - Disable Windows Defender (DisableAntiSpyware)
     - Delete a safe mode boot registry value (reg delete HKEY_CURRENT_USER\System\CurrentControlSet\Control\SafeBoot /va /F, reg delete HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\SafeBoot /va /F)
     - Block processes execution (dbsrv*, Microsoft.Exchange*, MSExchange*, pvx*, sql*, veeam* etc.)
     - Adds fonix, fonix10 and fonix11 to scheduler to execute a ransomware file at user login
     - Disable system restore (vssadmin Delete Shadows /All /Quiet, wmic shadowcopy delete, bcdedit /set {default} boostatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet)
     - Deletes event log (AMSI/Debug, Analytic, Application, ForwardedEvents, HardwareEvents, Internet Explorer etc.)
     - Changes desktop background (C:\ProgramData\XINOFBG.jpg)

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