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JSWorm v4.0.2 Ransomware (.[ID-<Random>][symmetries@tutamail.com].JSWRM / JSWRM-DECRYPT.hta)

  • Distribution Method : Unknown
 
  • MD5 : 66e68c8dceb001aa9d0ece7b22d4fdf5
 
  • Major Detection Name : Trojan.Ransom.JSWorm (ALYac), Win32:CrypterX-gen [Trj] (Avast)
 
  • Encrypted File Pattern : .[ID-<Random>][symmetries@tutamail.com].JSWRM
 
  • Malicious File Creation Location :
     - C:\ProgramData\JSWRM-DECRYPT.hta
     - C:\ProgramData\key.<Random>.JSWRM
 
  • Payment Instruction File : JSWRM-DECRYPT.hta
 
  • Major Characteristics :
     - Offline Encryption
     - Block processes execution (dns.exe, sqlserver.exe, sqlwriter.exe, store.exe)
     - Disable system restore (vssadmin.exe delete shadows /all /quiet, bcdedit /set {default} bootstatuspolicy ignoreallfailures -y, bcdedit /set {default} recoveryenabled No -y, wbadmin delete catalog -quiet, wmic shadowcopy delete -y)

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