- Distribution Method : Unknown
- MD5 : 9408a9530a7ec2f2175019b9c8dbd9c4
- Major Detection Name : Win32:Fonix-CC [Trj] (Avast), Ransom.Fonix (Malwarebytes)
- Encrypted File Pattern : .Email=[Crxl@hackorans.com]ID=[<Random>].FONIX / .Email=[Crxl@hackorans.com]ID=[<Random>].XINOF
- Malicious File Creation Location :
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\explorer.exe (SYMLINK)
- 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\explorer.exe (SYMLINK)
- 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
- Change a disk name (XINOF)
- Generate a fake Windows Updates message when encrypting files (cmd.exe /c "C:\ProgramData\WindowsUpdate.hta")
- Disable and Blocks Task Manager (DisableTaskMgr)
- Disable Windows Defender (DisableAntiSpyware)
- Block processes execution (dbsrv*, Microsoft.Exchange*, MSExchange*, pvx*, sql*, veeam* etc.)
- 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 (wevtutil.exe cl "Analytic", wevtutil.exe cl "Application", wevtutil.exe cl "Internet Explorer", wevtutil.exe cl "MediaFoundationDS", wevtutil.exe cl "Microsoft-IE/Diagnostic", wevtutil.exe cl "Microsoft-Windows-AppSruProv" etc.)
- Adds fonix, fonix10 and fonix11 to scheduler to execute a ransomware file at user login
- 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)
- Changes desktop background (C:\ProgramData\XINOFBG.jpg)
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