Videos

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

Nemty v2.0 Ransomware (.NEMTY_<7-Digit Random> / NEMTY_<7-Digit Random>-DECRYPT.txt)

  • Distribution Method : Mail attachment file
 
  • MD5 : c4a7b8f86e26a9de679523fd1c1396e1
 
  • Encrypted File Pattern : .NEMTY_<7-Digit Random>
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AdobeUpdate.exe
     - C:\Users\%UserName%\NEMTY_<7-Digit Random>-DECRYPT.txt
     - C:\Windows\System32\Tasks\NEMTY_<7-Digit Random>
 
  • Payment Instruction File : NEMTY_<7-Digit Random>-DECRYPT.txt
 
  • Major Characteristics :
     - Offline Encryption
     - Checking IP address (api.db-ip.com)
     - Block processes execution (excel.*, onenote.*, oracle.*, outlook.*, sql.*, thunderbird.* etc.)
     - Stop multi services (AcronisAgent, AcrSch2Svc, Apache2.4, DbxSvc, OracleServiceXE, OracleXETNSListener etc.)
     - Disable system restore (vssadmin.exe delete shadows /all /quiet, vssadmin resize shadowstorage /for=<Drive Letter>: /on=<Drive Letter>: /maxsize=401MB, vssadmin resize shadowstorage /for=<Drive Letter>: /on=<Drive Letter>: /maxsize=unbounded, bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet, wmic shadowcopy delete)

List

위로