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How to remove DuDu Accelerator (ads, banners, deals)



Threat's profile Threat indicator: HIGH

Name of the threat:DuDu Accelerator

Command or file name:recorder.exe

Threat type:Adware

Affected OS:Win32/Win64 (Windows XP, Vista/7, 8/8.1, Windows 10)

Affected browsers:Google Chrome, Mozilla Firefox, Internet Explorer, Safari

There are no symbols of DuDu Accelerator presence on computer since DuDu Accelerator does not add anything to the PC tray nor the program menu creating it harder to execute DuDu Accelerator removal operation. Viewing an infected WWW site can end up infesting and then the oncoming DuDu Accelerator removal. Advertisings are not invalid by themselves but it grows a matter when they are not authorized and a comely DuDu Accelerator removal tool is needed to remove DuDu Accelerator. Why most of DuDu Accelerator removal tools are addled is the fact that DuDu Accelerator can exhibit adware and malicious programs characteristics. The keepers of DuDu Accelerator infected computers may meet serious problems when attempting to remove DuDu Accelerator even with a worthy DuDu Accelerator removal tool. DuDu Accelerator is big management and there is a great deal of money in there.


DuDu Accelerator intrusion method

DuDu Accelerator installs on your PC along with free software. This method is called "bundled installation". Freeware offers you to install additional module (DuDu Accelerator). Then if you fail to decline the offer it starts hidden installation. DuDu Accelerator copies its file(s) to your hard disk. Its typical file name is recorder.exe. Then it creates new startup key with name DuDu Accelerator and value recorder.exe. You can also find it in your processes list with name recorder.exe or DuDu Accelerator. Also, it can create folder with name DuDu Accelerator under C:\Program Files\ or C:\ProgramData. If you have further questions about DuDu Accelerator, please ask below. You can use programs to remove DuDu Accelerator from your browsers below.


Download Removal Tool

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Download Spyhunter Remediation Tool by Enigma Software

Download antimalware designed specifically to remove threats like DuDu Accelerator and recorder.exe (download of fix will start immediately):

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Features of Spyhunter Remediation Tool

  • Removes all files created by DuDu Accelerator.
  • Removes all registry entries created by DuDu Accelerator.
  • Fixes browser redirection and hijack if needed.
  • "Toolbar Remover" tool will help you get rid of unwanted browser extensions.
  • Removal is guaranteed - if Spyhunter Remediation Tool fails ask for FREE support.
  • 24/7 Helpdesk Support and 5 hours of Remote Support via GoToAssist included into the package.


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Software Industry Professionals Member Threat's description and solution are developed by Security Stronghold security team.

Here you can also learn:


How to remove DuDu Accelerator manually

This problem can be solved manually by deleting all registry keys and files connected with DuDu Accelerator, removing it from startup list and unregistering all corresponding DLLs. Additionally missing DLL's should be restored from distribution in case they are corrupted by DuDu Accelerator.

To get rid of DuDu Accelerator, you should:

1. Kill the following processes and delete the appropriate files:

  • dudusetup_55.exe
  • dudu speed.msi
  • duduacc.exe
  • ddddl.dll
  • dddiemon.dll
  • dddmext.dll
  • dddsch.dll
  • dhtiwl.dll
  • dluban.dat
  • dudupros.exe
  • rsen.dll
  • btdl.dll
  • dddrec.dll
  • recorder.exe
  • dudu speed.lnk
  • uninstall dudu speed.lnk
  • run dudu speed.lnk
  • softi.dat
  • content.zip
  • 20060718193923_logo.swf
  • 20060818102539_yule.bmp
  • 20060818102734_shipin.bmp
  • 20060711104340_yule.bmp
  • 20060711111558_ruanjian.bmp
  • 20060703143604_8.bmp
  • 20060705101847_6.bmp
  • 20060818102951_game.bmp
  • 20060720155005_adfsk.swf
  • 20060608171027_toricon20050412.gif
  • 20060818102940_daohang.bmp
  • 20060818102853_yule.bmp
  • 20060711105045_youxi.bmp
  • 20060705101854_7.bmp
  • 20060707134832_20060705101812_4.bmp
  • 20060703142451_animated_loading.gif
  • 20060711111029_wangzhan.bmp
  • 20060818102832_software.bmp
  • 20060710115755_39.bmp
  • 20060711104926_wangzhan.bmp
  • 20060719133046_animated_loading.gif
  • 20060818103006_shipin.bmp
  • 20060818102713_game.bmp
  • 20060703143555_call-accept.ico
  • 20060818102607_daohang.bmp
  • 20060711105200_yishi.bmp
  • 20060818103032_software.bmp
  • 20060720163543_20060703142451_animated_loading.gif
  • 20060808175521_123.gif
  • 20060707134620_20060705101812_4.bmp
  • 20060711111215_youxi.bmp
  • 20060706105151_39.bmp
  • 20060705101838_5.bmp
  • 20060711111503_yishi.bmp
  • 20060711105955_ruanjian.bmp
  • 20060711110145_yule.bmp
  • 20060919165446_mop.bmp
  • 20060720160043_58857_ksf_news_120bt.swf
  • 20060705102554_4.bmp
  • ddd.conf
  • dhtpref.dat
  • dhtnodes.dat

Warning: you should delete only those files which checksums are listed as malicious. There may be valid files with the same names in your system. We recommend you to use WiperSoft Antispyware Malware Remediation Tool for safe problem solution.

**Trial version of Wipersoft provides detection of computer viruses for FREE. To remove malware, you have to purchase the full version of Wipersoft.

2. Delete the following malicious folders:

  • %programfiles%\dudu\
  • %appdata%\dudu\
  • %appdata%\dudu\ddd\
  • %appdata%\dudu\speed\
  • %windows%\downloaded installations\{afab0246-ba0d-472a-b7dd-3e7badfb9812}\
  • %programfiles%\dudu\speed\
  • %autostart% \dudu speed\
  • %appdata%\dudu\speed\img\

3. Delete the following malicious registry entries and\or values:

  • Key: Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files
    \DuDu\Speed
  • Key: Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files
    \DuDu
  • Key: Dddmext.dlmgr.1
  • Key: Dddmext.dlmgr.1\CLSID
  • Key: Dddmext.dlmgr
  • Key: Dddmext.dlmgr\CLSID
  • Key: Dddmext.dlmgr\CurVer
  • Key: CLSID\{93F643D6-4CC8-4aa7-990F-F82C13E24373}
  • Key: CLSID\{93F643D6-4CC8-4aa7-990F-F82C13E24373}\ProgID
  • Key: CLSID\{93F643D6-4CC8-4aa7-990F-F82C13E24373}\VersionIndependentProgID
  • Key: CLSID\{93F643D6-4CC8-4aa7-990F-F82C13E24373}\InprocServer32
    Value: ThreadingModel
  • Key: CLSID\{93F643D6-4CC8-4aa7-990F-F82C13E24373}\TypeLib
  • Key: TypeLib\{49BD048A-3EBA-4234-A408-DF92AD121FD8}\1.0
  • Key: TypeLib\{49BD048A-3EBA-4234-A408-DF92AD121FD8}\1.0\FLAGS
  • Key: TypeLib\{49BD048A-3EBA-4234-A408-DF92AD121FD8}\1.0\0\win32
  • Key: TypeLib\{49BD048A-3EBA-4234-A408-DF92AD121FD8}\1.0\HELPDIR
  • Key: Interface\{2F3482F8-819F-49BC-A272-C91FE2605F45}
  • Key: Interface\{2F3482F8-819F-49BC-A272-C91FE2605F45}\ProxyStubClsid
  • Key: Interface\{2F3482F8-819F-49BC-A272-C91FE2605F45}\ProxyStubClsid32
  • Key: Interface\{2F3482F8-819F-49BC-A272-C91FE2605F45}\TypeLib
    Value: Version
  • Key: Software\Microsoft\Internet Explorer\MenuExt\&Download By DuDu
    Value: Contexts
  • Key: Software\Microsoft\Internet Explorer\MenuExt\&Download All By DuDu
    Value: Contexts
  • Key:
    Software\Microsoft\Internet Explorer\MenuExt\&Download Selection By DuDu

    Value: Contexts
  • Key: Software\Microsoft\Internet Explorer\MenuExt\&Detect Video By DuDu
    Value: Contexts
  • Key: Dddiemon.dddmont.1
  • Key: Dddiemon.dddmont.1\CLSID
  • Key: Dddiemon.dddmont
  • Key: Dddiemon.dddmont\CLSID
  • Key: Dddiemon.dddmont\CurVer
  • Key: CLSID\{00018593-C6BD-46F7-9349-DBA1AA674C90}
  • Key: CLSID\{00018593-C6BD-46F7-9349-DBA1AA674C90}\ProgID
  • Key: CLSID\{00018593-C6BD-46F7-9349-DBA1AA674C90}\VersionIndependentProgID
  • Key: Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components
    \520E385C2581E654D964B6B85E0E2295

    Value: 3084C4B986A154D49BCCD7F9B97FBA7E
  • Key: Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components
    \6B150AC107B12D11A9DD0006794C4E25

    Value: 3084C4B986A154D49BCCD7F9B97FBA7E
  • Key: Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Components
    \0B150AC107B12D11A9DD0006794C4E25

    Value: 3084C4B986A154D49BCCD7F9B97FBA7E
  • Key: Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products
    \3084C4B986A154D49BCCD7F9B97FBA7E\InstallProperties

    Value: AuthorizedCDFPrefix
  • Key: Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products
    \3084C4B986A154D49BCCD7F9B97FBA7E\InstallProperties

    Value: Comments
  • Key: Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products
    \3084C4B986A154D49BCCD7F9B97FBA7E\InstallProperties

    Value: Contact
  • Key: SOFTWARE\Dudu\Speed
    Value: autoupdatetime

Warning: if value is listed for some registry entries, you should only clear these values and leave keys with such values untouched. We recommend you to use WiperSoft Antispyware Malware Remediation Tool for safe problem solution.


Uninstall DuDu Accelerator related programs from Control Panel

We recommend you to check list of installed programs and search for DuDu Accelerator entry or other unknown and suspicious programs. Below are instructions for different version if Windows. In some cases adware programs are protected by malicious service or process and it will not allow you to uninstall it. If DuDu Accelerator won't uninstall or gives you error message that you do not have sufficient rights to do this perform below instructions in Safe Mode or Safe Mode with Networking or use WiperSoft Antispyware Malware Remediation Tool.


Windows 10

  • Click on the Start menu and choose Settings
  • Then click on System and choose Apps & Features in the left column
  • Find DuDu Accelerator under in the list and click Uninstall button near it.
  • Confirm by clicking Uninstall button in opened window if necessary.

Windows 8/8.1

  • Right click on the bottom left corner of the screen (while on your desktop)
  • In the menu choose Control Panel
  • Click Uninstall a program under Programs and Features.
  • Locate programs that can be connected with DuDu Accelerator or other related suspicious program.
  • Click Uninstall button.
  • Wait until uninstall process is complete.

Windows 7/Vista

  • Click Start and choose Control Panel.
  • Choose Programs and Features and Uninstall a program.
  • In the list of installed programs find entries related to DuDu Accelerator
  • Click Uninstall button.

Windows XP

  • Click Start
  • In the menu choose Control Panel
  • Choose Add / Remove Programs.
  • Find DuDu Accelerator related entries.
  • Click Remove button.

Remove DuDu Accelerator related extensions from your browsers

DuDu Accelerator in some cases can be accompanied with browsers extension. We recommend you to use free option Toolbar Remover under Tools in Spyhunter Remediation Tool to remove unwanted browser extensions related to DuDu Accelerator. We recommend you to perform scan your PC with Removal Tool or Spyhunter Remediation Tool. To remove extenions from your browsers manually do the following:

Internet Explorer

  • While in Internet Explorer click cogwheel icon in the top right corner
  • In the menu choose the Manage Add-ons
  • Select Toolbar and Extension tab.
  • Choose add-on possibly related to DuDu Accelerator or other related adware BHO.
  • Click Disable button.

Warning: This option will only disable unwanted plugin. For effective DuDu Accelerator removal use WiperSoft Antispyware Malware Remediation Tool.

Google Chrome

  • Start Google Chrome.
  • In the address bar type chrome://extensions/
  • In the list of add-ons find related to DuDu Accelerator and click recycle bin icon.
  • Confirm DuDu Accelerator removal.

Mozilla Firefox

  • Open Firefox
  • In the address bar type about:addons
  • Click Extensions tab.
  • In the list of extension locate ones related to DuDu Accelerator.
  • Click Remove button near it.

Protect computer and browsers from infection

Adware threats like DuDu Accelerator are very widespread and, unfortunately, many anti-virus programs fail to detect it. To protect your computer from future infection we recommend you to use WiperSoft Antispyware Malware Remediation Tool, it has active protection module and browser settings guard. It does not conflict with any anti-virus programs and creates additional shield against threats like DuDu Accelerator.


Here are the descriptions of problems connected with DuDu Accelerator and recorder.exe we received earlier:

Problem Summary: cannot connect saver

failed to connect saver

Problem was successfully solved. Ticket was closed.

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