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

  • Distribution Method : Mail attachment file
 
  • MD5 : 8f20235e28723c5024db81d16777b3e8
 
  • Major Detection Name : Trojan.Ransom.Nemty (ALYac), Trojan:Win32/Wacatac.B!ml (Microsoft)
 
  • Encrypted File Pattern : ._NEMTY_<7-Digit Random>_
 
  • Malicious File Creation Location :
     - C:\Users\%UsrName%\AppData\Roaming\tor
     - C:\Users\%UsrName%\TorDir
     - C:\Users\%UsrName%\TorDir\Data
     - C:\Users\%UsrName%\TorDir\Data\Tor
     - C:\Users\%UsrName%\TorDir\Data\Tor\geoip
     - C:\Users\%UsrName%\TorDir\Data\Tor\geoip6
     - C:\Users\%UsrName%\TorDir\Tor
     - C:\Users\%UsrName%\TorDir\Tor\libeay32.dll
     - C:\Users\%UsrName%\TorDir\Tor\libevent_core-2-1-6.dll
     - C:\Users\%UsrName%\TorDir\Tor\libevent_extra-2-1-6.dll
     - C:\Users\%UsrName%\TorDir\Tor\libevent-2-1-6.dll
     - C:\Users\%UsrName%\TorDir\Tor\libgcc_s_sjlj-1.dll
     - C:\Users\%UsrName%\TorDir\Tor\libssp-0.dll
     - C:\Users\%UsrName%\TorDir\Tor\libwinpthread-1.dll
     - C:\Users\%UsrName%\TorDir\Tor\ssleay32.dll
     - C:\Users\%UsrName%\TorDir\Tor\tor.exe
     - C:\Users\%UsrName%\TorDir\Tor\tor-gencert.exe
     - C:\Users\%UsrName%\TorDir\Tor\zlib1.dll
     - C:\Users\%UsrName%\NEMTY-DECRYPT.txt
     - C:\Users\%UsrName%\_NEMTY_<7-Digit Random>_.nemty
 
  • Payment Instruction File : NEMTY-DECRYPT.txt
 
  • Major Characteristics :
     - Checking IP address (api.db-ip.com)
     - Disable system restore (vssadmin.exe delete shadows /all /quiet, bcdedit /set {default} bootstatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet, wmic shadowcopy delete)

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