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Win32.HLLW.Autoruner1.16957

Added to the Dr.Web virus database: 2012-06-06

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\policies\Explorer\run] 'Java' = '%APPDATA%\runescape\javaw.exe'
  • [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'Java' = '%APPDATA%\runescape\javaw.exe'
  • [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Java' = '%APPDATA%\runescape\javaw.exe'
  • [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{6815E8BB-3CFD-ABAF-B0A4-D02BF03A0AAD}] 'StubPath' = '%APPDATA%\runescape\javaw.exe'
  • [<HKCU>\SOFTWARE\Microsoft\Active Setup\Installed Components\{6815E8BB-3CFD-ABAF-B0A4-D02BF03A0AAD}] 'StubPath' = '%APPDATA%\runescape\javaw.exe'
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%\runescape\javaw.exe' = '%APPDATA%\runescape\javaw.exe:*:...
  • [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\winhost.exe' = '%TEMP%\winhost.exe:*:Enabled:Windows Messan...
Injects code into
the following user processes:
  • winhost.exe
Modifies file system
Creates the following files
  • %TEMP%\eeqqsa.exe
  • %TEMP%\winhost.exe
  • %APPDATA%\runescape\javaw.exe
  • %APPDATA%\runescape\blackshades
Sets the 'hidden' attribute to the following files
  • %APPDATA%\runescape\javaw.exe
  • %TEMP%\winhost.exe
Network activity
Connects to
  • 'ss######jaxmoo.no-ip.biz':3033
  • '3s######ajaxmoo.no-ip.biz':3033
UDP
  • DNS ASK ss######jaxmoo.no-ip.biz
  • DNS ASK 1s######ajaxmoo.no-ip.biz
  • DNS ASK 2s######ajaxmoo.no-ip.biz
  • DNS ASK 3s######ajaxmoo.no-ip.biz
  • DNS ASK 4s######ajaxmoo.no-ip.biz
Miscellaneous
Creates and executes the following
  • '%TEMP%\eeqqsa.exe'
  • '%TEMP%\winhost.exe'
  • '%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 "%TEMP%\winhost.exe" /t REG_SZ /d "%TEMP%\winhost.exe:*:E...' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\runescape\javaw.exe" /t REG_SZ /d "%APPDATA%\r...' (with hidden window)
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
  • '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%TEMP%\winhost.exe" /t REG_SZ /d "%TEMP%\winhost.exe:*:E...
  • '%WINDIR%\syswow64\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\runescape\javaw.exe" /t REG_SZ /d "%APPDATA%\r...
  • '%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%\runescape\javaw.exe" /t REG_SZ /d "%APPDATA%\runescap...
  • '%WINDIR%\syswow64\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%TEMP%\winhost.exe" /t REG_SZ /d "%TEMP%\winhost.exe:*:Enabled:...

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