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Phobos Ransomware (.id[<Random>-2243].[walletdata@hotmail.com].WALLET)

  • Distribution Method : Unknown
 
  • MD5 : b1c3f3f09c280fafa211f3b10afa5cb0
 
  • Major Detection Name : Gen:Variant.Ransom.Phobos.25 (BitDefender), Win32/Filecoder.Phobos.A (ESET)
 
  • Encrypted File Pattern : .id[<Random>-2243].[walletdata@hotmail.com].WALLET
 
  • Malicious File Creation Location :
     - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.exe
     - C:\Users\%UserName%\AppData\Local\<Random>.exe
     - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\<Random>.exe
     - C:\Users\%UserName%\Desktop\info.hta
     - C:\Users\%UserName%\Desktop\info.txt
     - C:\Users\Public\Desktop\info.hta
     - C:\Users\Public\Desktop\info.txt
     - <Drive Letter>:\info.hta
     - <Drive Letter>:\info.txt
 
  • Payment Instruction File : info.hta / info.txt
 
  • Major Characteristics :
     - Offline Encryption
     - CrySis / Troldesh Ransomware series
     - Turns off Windows Firewall (netsh advfirewall set currentprofile state off, netsh firewall set opmode mode=disable)
     - Block processes execution (agntsvc.exe, dbsnmp.exe, msftesql.exe, oracle.exe, sqlagent.exe, thebat64.exe etc.)
     - Disable system restore (vssadmin delete shadows /all /quiet, wmic shadowcopy delete, bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet)

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