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Win32.HLLW.Autoruner.41487

Added to the Dr.Web virus database: 2011-01-09

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '<File name>.exe' = '%APPDATA%\nEWqKEtZ\iiglXQXC\4.17.45.9047\<File name>.exe'
  • [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\policies\Explorer\run] 'Windows Defender' = '%APPDATA%\Win.exe'
  • [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'Windows Defender' = '%APPDATA%\Win.exe'
  • [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Defender' = '%APPDATA%\Win.exe'
  • [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2C300BF8-ADBC-F52D-BDDE-EDEBE5C68CF7}] 'StubPath' = '%APPDATA%\Win.exe'
  • [<HKCU>\SOFTWARE\Microsoft\Active Setup\Installed Components\{2C300BF8-ADBC-F52D-BDDE-EDEBE5C68CF7}] 'StubPath' = '%APPDATA%\Win.exe'
Creates the following files on removable media
  • <Drive name for removable media>:\crisis.exe
  • <Drive name for removable media>:\vbc.exe
  • <Drive name for removable media>:\autorun.ini
  • <Drive name for removable media>:\autorun.inf
Malicious functions
Injects code into
the following system processes:
  • %WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe
Modifies file system
Creates the following files
  • %APPDATA%\newqketz\iiglxqxc\4.17.45.9047\<File name>.exe
  • %APPDATA%\win.exe
Sets the 'hidden' attribute to the following files
  • %APPDATA%\newqketz\iiglxqxc\4.17.45.9047\<File name>.exe
  • %APPDATA%\win.exe
  • <Drive name for removable media>:\vbc.exe
  • <Drive name for removable media>:\autorun.ini
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\crisis.exe
Network activity
UDP
  • DNS ASK js#.#o-ip.info
Miscellaneous
Creates and executes the following
  • '%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 "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t ...' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\Win.exe" /t REG_SZ /d "%APPDATA%\Win.exe:*:Ena...' (with hidden window)
Executes the following
  • '%WINDIR%\microsoft.net\framework\v2.0.50727\vbc.exe'
  • '%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 "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t ...
  • '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\Win.exe" /t REG_SZ /d "%APPDATA%\Win.exe:*:Ena...
  • '%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ ...
  • '%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%\Win.exe" /t REG_SZ /d "%APPDATA%\Win.exe:*:Enabled:Wi...

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