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How to remove Cydoor (ads, banners, deals)



Threat's profile Threat indicator: HIGH

Name of the threat:Cydoor

Command or file name:cd_install_336.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

Cydoor is in general seen by the designer as a way to return manufacture costs but in reality it makes the whole irksome and create a desire to remove Cydoor. Cydoor can distract consumers from the job, so it is reasonable to perform Cydoor removal operation. Some Cydoor is also shareware, so you may not behold its appearance when you don't have Cydoor removal tool. The Eudora email client is a notorious example of an Cydoor "mode" in a application when you let penetrate while not having a comely Cydoor removal tool. You should remove Cydoor because it can record malicious programs procedurees as Microsoft Windows Services. From the technical standpoint not having of Cydoor removal tool it can outcome in the platform instability.


Cydoor intrusion method

Cydoor installs on your PC along with free software. This method is called "bundled installation". Freeware offers you to install additional module (Cydoor). Then if you fail to decline the offer it starts hidden installation. Cydoor copies its file(s) to your hard disk. Its typical file name is cd_install_336.exe. Then it creates new startup key with name Cydoor and value cd_install_336.exe. You can also find it in your processes list with name cd_install_336.exe or Cydoor. Also, it can create folder with name Cydoor under C:\Program Files\ or C:\ProgramData. If you have further questions about Cydoor, please ask below. You can use programs to remove Cydoor from your browsers below.


Download Removal Tool

Download this advanced removal tool and solve problems with Cydoor and cd_install_336.exe (download of fix will start immediately):

Download WiperSoft Antispyware to remove Cydoor

* WiperSoft Antispyware was developed to remove threats like Cydoor in automatic mode. Remover has active module to protect PC from hijackers, trojans, ransomware and other viruses. Trial version of Wipersoft provides detection of computer viruses for FREE. To remove malware, you have to purchase the full version of Wipersoft.


Features of WiperSoft Antispyware Malware Remediation Tool

  • Removes all files created by viruses.
  • Removes all registry entries created by viruses.
  • You can activate System and Network Guards and forget about malware.
  • Can fix browser problems and protect browser settings.
  • Removal is guaranteed - if Removal Tool fails ask for FREE support.
  • 24/7 Spyware Helpdesk Support included into the package.

Download Spyhunter Remediation Tool by Enigma Software

Download antimalware designed specifically to remove threats like Cydoor and cd_install_336.exe (download of fix will start immediately):

Download AntiMalware to remove Cydoor

Features of Spyhunter Remediation Tool

  • Removes all files created by Cydoor.
  • Removes all registry entries created by Cydoor.
  • 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.


We noticed that you are on smartphone or tablet now, but you need this solution on your PC. Enter your email below and we’ll automatically send you an email with the downloading link for Cydoor Removal Tool, so you can use it when you are back to your PC.

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Let our support team solve your problem with Cydoor and remove Cydoor right now!

Submit support ticket below and describe your problem with Cydoor. Support team will offer you solution in several minutes and give a step-by-step instruction on how to remove Cydoor. Trouble-free tech support with over 10 years experience removing malware.
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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 Cydoor manually

This problem can be solved manually by deleting all registry keys and files connected with Cydoor, 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 Cydoor.

To get rid of Cydoor, you should:

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

  • 01dopewars_update.exe
  • 2004-08-14 203027.txt
  • b_197800.swf
  • cbanner2.dll
  • cd_load-uninstall.exe-05bd6e3c.pf
  • cd_load-uninstall.exe-0c41c348.pf
  • cd_load-uninstall.exe-0fb52ecd.pf
  • cd_load-uninstall.exe-12b0d2ea.pf
  • cd_load-uninstall.exe-15813098.pf
  • cd_load-uninstall.exe-1ad29cfd.pf
  • cd_load-uninstall.exe-1b9663b5.pf
  • cd_load-uninstall.exe-33554980.pf
  • cd_load-uninstall.exe-38341154.pf
  • cydoor_update.exe-055f1cbc.pf
  • gr02.dll
  • im64.dll
  • start.cdi
  • _ad2b4.adx
  • _ad2b4.dll
  • _ad2b4.rtp
  • appproperties.dll
  • basicdiscoveryservice.dll
  • basicloaderservice.dll
  • bjagentregistration.dll
  • bjcomannouncement.dll
  • bjcomannouncement.ini
  • bjcombase.dll
  • bjcombase_ibjbasicstream.ini
  • bjcombase_ibjfilespec.ini
  • bjcombase_ibjstring.ini
  • bjcombase_ibjstringlist.ini
  • bjcomclientfilterengine.ini
  • bjcomfiletransfer.dll
  • bjcomrt.dll
  • bjcomspmmanager.dll
  • bjcomsrcmanager.dll
  • bjcomthirdpartymanager.ini
  • bjcomvtblade.dll
  • bjcomvtblade_ibjvtblade.ini
  • bjfreg.dll
  • bjintlcore_1_1_ddr.dll
  • cfd.exe
  • clientfilterengine.dll
  • clientupdate.dll
  • clientupdate.ini
  • clientupdatepres.dll
  • connectivitywatcher.dll
  • directoryservice.dll
  • ibjagentregistration.ini
  • ibjappproperties2.ini
  • ibjclientupdatepresentation.ini
  • ibjconnectivitywatcher.ini
  • ibjdiscoveryservice.ini
  • ibjfiletransfer.ini
  • ibjfoundationregistration.ini
  • ibjprofileenum.ini
  • ibjprofilemanager.ini
  • ibjspmmanager.ini
  • ibjsrcmanager.ini
  • ibjtimermanager.ini
  • libeay32_1-1-0_ddr.dll
  • profilemanager.dll
  • rmvbjcfd.dll
  • ssleay32_1-1-0_ddr.dll
  • stlport_4_0_0_ddr.dll
  • thirdpartymanager.dll
  • timermanager.dll
  • xerces-c_1_40_0_ddr.dll
  • cd_install.exe
  • cd_clint.dll
  • cd_install_202.exe
  • cydoor.exe
  • cydoor_uninstall.exe
  • cd_htm.dll
  • cd_load.exe
  • cd_swf.dll
  • gdnp.dll
  • msg{6ea0f469-dfd6-40fa-8ec0-29c8bf23cf76}0108.dll
  • b_266_0_1_552600.htm
  • b_266_0_1_563300.htm
  • b_266_0_1_570300.htm
  • b_266_0_1_594500.htm
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  • b_266_0_1_613200.htm
  • b_266_0_1_667300.htm
  • b_266_0_1_680500.htm
  • b_266_0_1_689100.htm
  • b_266_0_1_689300.htm
  • b_266_0_1_700200.htm
  • b_266_0_1_725000.htm
  • b_266_0_1_731500.htm
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  • b_266_0_1_733700.htm
  • b_266_0_1_764300.htm
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  • b_266_0_1_771800.htm
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  • b_266_0_2_537000.htm
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  • b_266_1_3_714200.htm
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  • b_266_1_3_738000.htm
  • b_266_1_3_740100.htm
  • b_338_0_1_500800.htm
  • b_338_0_1_513300.htm
  • b_338_0_1_513400.htm
  • b_338_0_1_552600.htm
  • b_338_0_1_556700.htm
  • b_338_0_1_594500.htm
  • b_338_0_1_596200.htm
  • b_338_0_1_605800.htm
  • b_338_0_1_612800.htm
  • b_338_0_1_667300.htm
  • b_338_0_1_673500.htm
  • b_338_0_1_675500.htm
  • b_338_0_1_675800.htm
  • b_338_0_1_675900.htm
  • b_338_0_1_676100.htm
  • b_338_0_1_676600.htm
  • b_338_0_1_677100.htm
  • b_338_0_1_677200.htm
  • b_338_0_1_678800.htm
  • b_338_0_1_689100.htm
  • b_338_0_1_698200.htm
  • b_338_0_2_725000.htm
  • b_338_0_2_727100.htm
  • b_338_0_2_727300.htm
  • b_338_0_2_729000.htm
  • b_338_0_2_731500.htm
  • b_338_0_2_731700.htm
  • b_338_0_2_732400.htm
  • b_338_0_2_733700.htm
  • b_338_0_2_761100.htm
  • b_338_0_2_775500.htm
  • b_338_0_2_775900.htm
  • b_338_0_2_776000.htm
  • b_338_2_1_500200.htm
  • b_338_2_1_503600.htm
  • b_338_2_1_510900.htm
  • b_338_2_1_513200.htm
  • b_338_2_1_521600.htm
  • b_338_2_1_523600.htm
  • b_338_2_1_524000.htm
  • b_338_2_1_524500.htm
  • b_338_2_1_525000.htm
  • b_338_2_1_528400.htm
  • b_338_2_1_536300.htm
  • b_338_2_1_544300.htm
  • b_338_2_1_551300.htm
  • b_338_2_1_552200.htm
  • b_338_2_1_552500.htm
  • b_338_2_1_565800.htm
  • b_338_2_1_566400.htm
  • b_338_2_1_613300.htm
  • b_338_2_1_664300.htm
  • b_338_2_1_679900.htm
  • b_338_2_1_702100.htm
  • b_338_2_1_707700.htm
  • b_338_2_1_708800.htm
  • b_338_2_1_711000.htm
  • b_338_2_1_716400.htm
  • b_338_2_1_729600.htm
  • b_338_2_1_733900.htm
  • b_338_2_1_747600.htm
  • b_338_2_1_751400.htm
  • b_338_2_1_751500.htm
  • b_338_2_2_503600.htm
  • b_338_2_2_511100.htm
  • b_338_2_2_517600.htm
  • b_338_2_2_520600.htm
  • b_338_2_2_523100.htm
  • b_338_2_2_523600.htm
  • b_338_2_2_532200.htm
  • b_338_2_2_539600.htm
  • b_338_2_2_552000.htm
  • b_338_2_2_552100.htm
  • b_338_2_2_552200.htm
  • b_338_2_2_565800.htm
  • b_338_2_2_569400.htm
  • b_338_2_2_574900.htm
  • b_338_2_2_575300.htm
  • b_338_2_2_577400.htm
  • b_338_2_2_582400.htm
  • b_338_2_2_607600.htm
  • b_338_2_2_613300.htm
  • b_338_2_2_622900.htm
  • b_338_2_2_625100.htm
  • b_338_2_2_629900.htm
  • b_338_2_2_630000.htm
  • b_338_2_2_634100.htm
  • b_338_2_2_635100.htm
  • b_338_2_2_640100.htm
  • b_338_2_2_648600.htm
  • b_338_2_2_654600.htm
  • b_338_2_2_664300.htm
  • b_338_2_2_667900.htm
  • b_338_2_2_678100.htm
  • b_338_2_2_691600.htm
  • b_338_2_2_708800.htm
  • b_338_2_2_720100.htm
  • b_338_2_2_723200.htm
  • b_338_2_2_723400.htm
  • b_338_2_2_733000.htm
  • b_338_2_2_737500.htm
  • b_338_2_2_739300.htm
  • b_338_2_2_739500.htm
  • b_338_2_2_739600.htm
  • b_338_2_2_763300.htm
  • b_338_2_2_773100.htm
  • b_338_2_2_775500.htm
  • b_338_2_3_520600.htm
  • b_338_2_3_582200.htm
  • b_338_2_3_592000.htm
  • b_338_2_3_622900.htm
  • b_338_2_3_630000.htm
  • b_338_2_3_691600.htm
  • b_338_2_3_692000.htm
  • b_338_2_3_714200.htm
  • b_338_2_3_714300.htm
  • b_338_2_3_721800.htm
  • b_338_2_3_729800.htm
  • b_338_2_3_738000.htm
  • b_338_2_3_740100.htm
  • b_338_2_3_751700.htm
  • b_338_2_4_531100.htm
  • b_338_2_4_592000.htm
  • b_338_2_4_597800.htm
  • b_338_2_4_599600.htm
  • b_338_2_4_602300.htm
  • b_338_2_4_721600.htm
  • b_338_2_4_739500.htm
  • b_338_2_4_741200.htm
  • b_338_2_4_778600.htm
  • b_506000.htm
  • b_509500.htm
  • b_512400.htm
  • b_522000.htm
  • b_523800.htm
  • b_525300.htm
  • b_525800.htm
  • b_527200.htm
  • b_527700.htm
  • b_528400.htm
  • b_530400.htm
  • b_531300.htm
  • b_532700.htm
  • b_533100.htm
  • b_541000.htm
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  • b_544100.htm
  • b_550500.htm
  • b_552100.htm
  • b_553400.htm
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  • b_614400.htm
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  • b_617000.htm
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  • b_641600.htm
  • b_645100.htm
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  • b_656800.htm
  • b_660900.htm
  • b_661600.htm
  • b_663000.htm
  • b_663800.htm
  • b_663900.htm
  • b_665000.htm
  • b_665500.htm
  • b_666600.htm
  • b_670900.htm
  • b_676000.htm
  • b_679600.htm
  • b_685700.htm
  • b_689600.htm
  • b_691300.htm
  • b_696300.htm
  • b_697500.htm
  • b_697600.htm
  • b_709200.htm
  • b_712200.htm
  • b_712400.htm
  • b_713500.htm
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  • b_772600.htm
  • b_780100.htm
  • b_791500.htm
  • b_795400.htm
  • b_799200.htm
  • b_799300.htm
  • cd_gif.dll
  • cd_html.dll
  • b_123700.gif
  • b_149300.gif
  • b_149301.gif
  • b_151700.gif
  • b_151701.gif
  • b_500600.htm
  • b_502600.htm
  • b_526900.htm
  • b_528500.htm
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  • b_765100.htm
  • b_765600.htm
  • b_765800.htm
  • b_767600.htm
  • b_767800.htm
  • cd_htm[1].dll
  • cd_install_291.exe
  • cd_install_336.exe

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%\qualcomm\eudora\eudpriv\ads\adcache\
  • %windows%\system\adcache\
  • %windows%\system32\roodyc\
  • c:\bellsouth\client foundation\
  • c:\temp2\
  • %windows%\temporary internet files\content.ie5\kgrv9a5f\
  • %system%\roodyc\

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

  • Key: software\cydoor services
  • Key: software\cydoor\adwr_371\loct_2\level_1\seqn_6067\ptitle
    Value: @
  • Key: software\cydoor\adwr_371\loct_2\level_2\seqn_5583\ptitle
    Value: @
  • Key: software\cydoor\adwr_371\loct_2\level_3\seqn_5043\ptitle
    Value: @
  • Key: software\cydoor\adwr_371\loct_2\level_3\seqn_5194\ptitle
    Value: @
  • Key: software\cydoor\adwr_371\loct_2\level_4\seqn_6651\ptitle
    Value: @
  • Key: software\microsoft\windows\currentversion\run\cydoor
    Value: @
  • Key: Software\Cydoor
    Value: HIS_2
  • Key: software\cydoor\adwrcnt
    Value: @
  • Key: software\cydoor\c:\progra~1\grokster\grokster.exe
    Value: @
  • Key: software\cydoor\c:\program files\kazaa\kazaa.exe
    Value: @
  • Key: software\microsoft\windows\currentversion\run\cydoor
    Value: @
  • Key: software\microsoft\windows\currentversion\runonce\cydoorupdate
    Value: @
  • Key: software\microsoft\windows\currentversion\uninstall\adsupport_202
  • Key: software\microsoft\windows\currentversion\uninstall\adsupport_253
  • Key: software\microsoft\windows\currentversion\uninstall\adsupport_270
  • Key: software\microsoft\windows\currentversion\uninstall\adsupport_277
  • Key: software\microsoft\windows\currentversion\uninstall\adsupport_314
  • Key: software\microsoft\windows\currentversion\uninstall\adsupport_319
  • Key: software\microsoft\windows\currentversion\uninstall\adsupport_336
  • Key: software\microsoft\windows\currentversion\uninstall\adsupport_371
  • Key: .default\software\cydoor
    Value: @
  • Key: .default\software\cydoor services
    Value: @
  • Key: software\microsoft\windir\currentversion\uninstall\adsupport_202
  • Key: software\microsoft\windir\currentversion\uninstall\adsupport_253
  • Key: software\microsoft\windir\currentversion\uninstall\adsupport_270
  • Key: software\microsoft\windir\currentversion\uninstall\adsupport_277
  • Key: software\microsoft\windir\currentversion\uninstall\adsupport_314
  • Key: software\microsoft\windir\currentversion\uninstall\adsupport_319
  • Key: software\microsoft\windir\currentversion\uninstall\adsupport_336
  • Key: SOFTWARE\Microsoft\windir\CurrentVersion\Uninstall\AdSupport_371
  • Key: SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
    Value: CydoorUpdate
  • Key: Software\Cydoor
    Value: RHIS_2
  • Key: Software\Cydoor
    Value: DHIS_2
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: ShowBann
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: PrCode
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: ExpsNum
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: ExpsCnt
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: ExpsLast
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: BannNum
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: BannCnt
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: FileTerm
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: StartDate
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: EndDate
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: Url
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2091
    Value: ConfStr
  • Key: Software\Cydoor\Adwr_114
    Value: SecCnt
  • Key: Software\Cydoor\Adwr_114
    Value: ValidKey
  • Key: Software\Cydoor
    Value: HIS_2
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: ShowBann
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: PrCode
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: ExpsNum
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: ExpsCnt
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: ExpsLast
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: BannNum
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: BannCnt
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: FileTerm
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: StartDate
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: EndDate
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: Url
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2092
    Value: ConfStr
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: ShowBann
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: PrCode
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: ExpsNum
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: ExpsCnt
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: ExpsLast
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: BannNum
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: BannCnt
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: FileTerm
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: StartDate
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: EndDate
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: Url
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2093
    Value: ConfStr
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: ShowBann
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: PrCode
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: ExpsNum
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: ExpsCnt
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: ExpsLast
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: BannNum
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: BannCnt
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: FileTerm
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: StartDate
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: EndDate
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: Url
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: ConfStr
  • Key: Software\Cydoor\Adwr_114\Loct_0\Level_4\Seqn_2417
    Value: Type
  • Key: Software\Microsoft\Internet Explorer\Main
    Value: CustomizeSearch
    Data: res://C:\PROGRA~1\Toolbar\toolbar.dll/sa

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 Cydoor related programs from Control Panel

We recommend you to check list of installed programs and search for Cydoor 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 Cydoor 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 Cydoor 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 Cydoor 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 Cydoor
  • Click Uninstall button.

Windows XP

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

Remove Cydoor related extensions from your browsers

Cydoor 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 Cydoor. 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 Cydoor or other related adware BHO.
  • Click Disable button.

Warning: This option will only disable unwanted plugin. For effective Cydoor 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 Cydoor and click recycle bin icon.
  • Confirm Cydoor removal.

Mozilla Firefox

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

Protect computer and browsers from infection

Adware threats like Cydoor 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 Cydoor.


Here are the descriptions of problems connected with Cydoor and cd_install_336.exe we received earlier:

Problem Summary: I just don't want to be a part of pch

Please remove me from sweepstakes all together

Problem was successfully solved. Ticket was closed.

Problem Summary: Dear sir,

Dear sir,
I want to creat an account in paltalk but when i give information they needed for examplr nick name, email, password, etc then i click the creat nickname button then it gives the error "unable to connect tc-2120"
please give me some idea
thanks

Problem was successfully solved. Ticket was closed.

Problem Summary: errors( tc21-20)

after creating account when i login it errors( tc21-20)

Problem was successfully solved. Ticket was closed.

Problem Summary: bugs

my widows update will not connect to the internet for updates. avg and windows security essentials have found no probs. if using any search engine, it will redirect if i click on a link. while using internet it will randomly open other sites. yahoo anti-spyware says that it is grokster, yet your tool found no traces of it.

Problem was successfully solved. Ticket was closed.

Problem Summary: Ihave tow ID QQTencent , Ineed remove ID 1247199598

Ihave tow ID QQTencent , Ineed remove ID 1247199598halp me

Problem was successfully solved. Ticket was closed.

Problem Summary: BJCFD:CFD.exe

This application has failed to start because xerces-c_1_40_0_DDR.dll was not found. Re-installing the application may fix this problem.

Problem was successfully solved. Ticket was closed.

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