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Added to the Dr.Web virus database: 2011-08-05

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Classes\CLSID\{27AEF9E8-063F-0757-829C-A93075890E80}\Shell\Open\Command] '' = '%PROGRAM_FILES%\Internet Explorer\SIGNUP\wwwwwww.exe %w%w%w.08%184%19.%c%o%m'
Malicious functions:
Creates and executes the following:
  • %WINDIR%\RkRealTech.exe \??\%WINDIR%\regedit.exe 1568 "%TEMP%\$rar10943.tmp"
  • %WINDIR%\RtkSYUdp.exe filldelete ""%APPDATA%\Microsoft\Internet Explorer\Quick Launch\desktop.ini"" filldelete ""%APPDATA%\Microsoft\Internet Explorer\Quick Launch\LAUNCH~1.LNK"" filldelete ""%APPDATA%\Microsoft\Internet Explorer\Quick Launch\."" filldelete ""%APPDATA%\Microsoft\Internet Explorer\Quick Launch\..""
  • %PROGRAM_FILES%\Baidu\Toolbar\BarBroker.exe -RegServer
Executes the following:
  • %WINDIR%\regedit.exe
  • %WINDIR%\regedit.exe /s "%TEMP%\$$RAR110987.tmp"
  • <SYSTEM32>\reg.exe delete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RunMRU /f
  • <SYSTEM32>\cmd.exe /c "%TEMP%\$$dmsf.bat"
  • <SYSTEM32>\cmd.exe /c "%TEMP%\$$rcqi.bat"
  • <SYSTEM32>\cmd.exe /c "%TEMP%\$$RAVSING.bat"
  • %WINDIR%\regedit.exe /s "%TEMP%\$rar10987.tmp"
  • <SYSTEM32>\cmd.exe /c "%TEMP%\$$edbs.bat"
  • %WINDIR%\regedit.exe /s "%TEMP%\hhhhhhh.tmp"
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system :
Creates the following files:
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\垃圾清理.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\广告拦截.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\修复功能.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\个性化首页.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\隐私保护.url
  • %TEMP%\hhhhhhh.tmp
  • %PROGRAM_FILES%\Internet Explorer\SIGNUP\wwwwwww.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\屏蔽列表.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\帮助指南.url
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\伴侣导航.url
  • %TEMP%\$$rcqi.bat
  • %TEMP%\wwwwwww.tmp
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\005[1].htm
  • %TEMP%\$$dmsf.bat
  • %TEMP%\pyversion.ini
  • %TEMP%\$$edbs.bat
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\自定义按钮.url
  • %TEMP%\$$RAR110987.tmp
  • %TEMP%\version.ini
  • %ALLUSERSPROFILE%\Start Menu\Programs\百度工具栏\卸载百度工具栏.lnk
  • %PROGRAM_FILES%\Baidu\Toolbar\BaiduBarX_Tmp\BaiduBarX.dll
  • %TEMP%\nsk3.tmp
  • %PROGRAM_FILES%\Baidu\Toolbar\BaiduBarX_Tmp\rc.dll
  • %WINDIR%\RkRealTech.exe
  • %PROGRAM_FILES%\Baidu\Toolbar\BaiduBarX_Tmp\BarBroker.exe
  • %TEMP%\ljm.exe
  • %TEMP%\Baidu-Toolbar.exe
  • %TEMP%\cf.exe
  • %TEMP%\sogou_pinyin_mini_5072.exe
  • %TEMP%\SeFastInstall.exe
  • %PROGRAM_FILES%\Baidu\Toolbar\rc.dll
  • %PROGRAM_FILES%\Baidu\Toolbar\BarBroker.exe
  • %TEMP%\НшЦ·Ц®јТ.tmp
  • %TEMP%\$$RAVSING.bat
  • %CommonProgramFiles%\TaoBao\МФ±¦.tmp
  • %CommonProgramFiles%\TaoBao\МФ±¦.ico
  • %WINDIR%\RtkSYUdp.exe
  • %TEMP%\$rar10987.tmp
  • %PROGRAM_FILES%\Baidu\Toolbar\BaiduBarX.dll
  • %TEMP%\$rar10943.tmp
Deletes the following files:
  • %WINDIR%\RkRealTech.exe
  • %WINDIR%\RtkSYUdp.exe
  • %TEMP%\$rar10943.tmp
  • %TEMP%\$rar10987.tmp
  • %TEMP%\ljm.exe
  • %TEMP%\$$RAR110987.tmp
  • %TEMP%\hhhhhhh.tmp
Network activity:
Connects to:
  • '':80
  • '':80
  • '':80
  • 'localhost':1034
  • '':80
HTTP GET requests:
Searches for the following windows:
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_WINHELP' WindowName: ''
  • ClassName: '' WindowName: '??????????? ??'
  • ClassName: 'RegEdit_RegEdit' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android