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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 : 2416b9e5a966dff4e7383a24525526ec
- Major Detection Name : Trojan.Ransom.Nemty (ALYac), Trojan.Win32.S.Nemty.199168 (ViRobot)
- Encrypted File Pattern : .NEMTY_<7-Digit Random>
- Malicious File Creation Location : C:\Users\%UserName%\NEMTY_<7-Digit Random>-DECRYPT.txt
- Payment Instruction File : NEMTY_<7-Digit Random>-DECRYPT.txt
- Major Characteristics :
- Offline Encryption
- Checking IP address (api.db-ip.com)
- Block processes execution (excel.*, oracle.*, outlook.*, sql.*, thunderbird.*, winword.* etc.)
- Stop multi services (AcronisAgent, AcrSch2Svc, Apache2.4, DbxSvc, OracleXETNSListener, OracleServiceXE etc.)
- Disable system restore (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, G e t - W m i O b j e c t W i n 3 2 _ S h a d o w c o p y | F o r E a c h - O b j e c t { $ _ . D e l e t e ( ) ; })