Trojan.StartPage.56687

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Internet Explorer\Extensions\{6096E38F-5AC1-4391-8EC4-75DFA92FB32F}] 'Exec' = 'http://www.jujumao.com'

Malicious functions:

Creates and executes the following:

'%PROGRAM_FILES%\Baidu\Toolbar\BarBroker.exe' -RegServer
'%TEMP%\JUJUOEM\wzjujumao_cb.exe'

Sets a new unauthorized home page for Windows Internet Explorer.

Modifies file system :

Creates the following files:

%PROGRAM_FILES%\Baidu\Toolbar\BaiduBarX_Tmp\BarBroker.exe
%PROGRAM_FILES%\Baidu\Toolbar\BaiduBarX_Tmp\rc.dll
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\ЖБ±ОБР±н.url
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\°пЦъЦёДП.url
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\°йВВµјєЅ.url
%PROGRAM_FILES%\Baidu\Toolbar\BaiduBarX_Tmp\BaiduBarX.dll
%TEMP%\autD.tmp
<SYSTEM32>\WenDing.url
%TEMP%\JUJUOEM\wzjujumao_cb.exe
%APPDATA%\Baidu\Toolbar\Custom Buttons\custom.xml
%TEMP%\nsiF.tmp
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\№гёжА№ЅШ.url
%PROGRAM_FILES%\Baidu\Toolbar\BaiduBarX.dll
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\Р¶ФШ°Щ¶И№¤ѕЯАё.lnk
%PROGRAM_FILES%\Baidu\Toolbar\BarBroker.exe
%APPDATA%\Baidu\Toolbar\rc.dat
%PROGRAM_FILES%\Baidu\Toolbar\rc.dll
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\ЧФ¶ЁТе°ґЕҐ.url
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\ПµНіјУЛЩ.url
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\А¬»шЗеАн.url
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\РЮёґ№¦ДЬ.url
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\ёцРФ»ЇКЧТі.url
%ALLUSERSPROFILE%\Start Menu\Programs\°Щ¶И№¤ѕЯАё\ТюЛЅ±Ј»¤.url
%HOMEPATH%\Favorites\WWW.JUJUMAO.COM网址导航.url
%TEMP%\aut4.tmp
%TEMP%\aut5.tmp
%TEMP%\aut6.tmp
%ALLUSERSPROFILE%\Desktop\-=问鼎官方网站=-开放性内测火爆开启.lnk
%HOMEPATH%\Favorites\JUJUMAO装机常用软件下载网址大全.url
%HOMEPATH%\Favorites\-=问鼎官方网站=-开放性内测火爆开启.url
%TEMP%\aut1.tmp
%TEMP%\aut2.tmp
%TEMP%\aut3.tmp
%HOMEPATH%\Favorites\JUJUMAO 3G 时代网址导航.url
%ALLUSERSPROFILE%\Desktop\装机常用软件.lnk
<SYSTEM32>\oemlogo.bmp
%TEMP%\autA.tmp
%TEMP%\autB.tmp
%TEMP%\autC.tmp
<SYSTEM32>\WenDing.ico
<SYSTEM32>\OEMLINKICON.ico
%ALLUSERSPROFILE%\Start Menu\Programs\装机常用软件.lnk
%TEMP%\aut7.tmp
%TEMP%\aut8.tmp
%TEMP%\aut9.tmp
<SYSTEM32>\OemInfo.ini

Deletes the following files:

%TEMP%\autA.tmp
%TEMP%\aut9.tmp
%TEMP%\aut8.tmp
%TEMP%\autB.tmp
%TEMP%\JUJUOEM\wzjujumao_cb.exe
%TEMP%\autD.tmp
%TEMP%\autC.tmp
%TEMP%\aut3.tmp
%TEMP%\aut2.tmp
%TEMP%\aut1.tmp
%TEMP%\aut4.tmp
%TEMP%\aut7.tmp
%TEMP%\aut6.tmp
%TEMP%\aut5.tmp

Miscellaneous:

Searches for the following windows:

ClassName: 'Shell_TrayWnd' WindowName: '(null)'

Curing recommendations

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.
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.

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

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Download on App Store

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

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Download by serial number

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.
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.

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