Win32.HLLW.Autoruner.47951
Added to the Dr.Web virus database:
2011-04-20
Virus description added:
2020-06-21
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] '<File name>.exe' = '%ProgramFiles(x86)%\<File name>.exe'
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\tsxkr.exe
Creates the following files on removable media
- <Drive name for removable media>:\tsxkr.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions
To bypass firewall, removes or modifies the following registry keys
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\ownzc.exe' = '%APPDATA%\ownzc.exe:*:Enabled:Windows Mess...
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\svchost.exe' = '%APPDATA%\svchost.exe:*:Enabled:Windows ...
Injects code into
the following user processes:
Terminates or attempts to terminate
the following system processes:
Modifies file system
Creates the following files
- %APPDATA%\svchost.exe
- %TEMP%\fbpnatkg.0.cs
- %TEMP%\fbpnatkg.cmdline
- %TEMP%\fbpnatkg.out
- %TEMP%\cscd364.tmp
- %TEMP%\resd374.tmp
- %TEMP%\fbpnatkg.dll
- %ProgramFiles(x86)%\<File name>.exe
- %APPDATA%\ownzc.exe
- %APPDATA%\data.dat
Sets the 'hidden' attribute to the following files
- <Drive name for removable media>:\tsxkr.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files
- %TEMP%\resd374.tmp
- %TEMP%\cscd364.tmp
- %TEMP%\fbpnatkg.0.cs
- %TEMP%\fbpnatkg.cmdline
- %TEMP%\fbpnatkg.dll
- %TEMP%\fbpnatkg.out
Network activity
UDP
- DNS ASK ra#####ork.no-ip.net
Miscellaneous
Creates and executes the following
- '%APPDATA%\svchost.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\fbpnatkg.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD374.tmp" "%TEMP%\CSCD364.tmp"' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\svchost.exe" /t REG_SZ /d "%APPDATA%\svchost.e...' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\ownzc.exe" /t REG_SZ /d "%APPDATA%\ownzc.exe:*...' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\fbpnatkg.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESD374.tmp" "%TEMP%\CSCD364.tmp"
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\svchost.exe" /t REG_SZ /d "%APPDATA%\svchost.e...
- '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\ownzc.exe" /t REG_SZ /d "%APPDATA%\ownzc.exe:*...
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\ownzc.exe" /t REG_SZ /d "%APPDATA%\ownzc.exe:*:Enable...
- '%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\svchost.exe" /t REG_SZ /d "%APPDATA%\svchost.exe:*:En...
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