How To Remove Cydoor

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This forum contains self-help guides on removing common malware and viruses. These guides can be advanced so please use them at your own risk.

If after following the self-help guide, or you can not find an appropriate guide, then you can receive step-by-step instructions directly from one of our experts by following the instructions in this topic: Preparation Guide For Use Before Posting A Hijackthis Log

How To Remove Cydoor, Self-Help Guide

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Grinler View Member Profile	Feb 23 2005, 04:47 PM Post #1
Bleep Bleep! Group: Admin Posts: 29,873 Joined: 24-January 04 From: USA Member No.: 3	How to remove the Cydoor Adware What this program does: Cydoor is a component that allows applications that use it deliver ads to their users. This type of adware is usually installed when a program is offered for free to allow the author to make money by delivery ads using this program. Tools Needed for this fix: HijackThis Related Tutorials: How to use HijackThis to remove Browser Hijackers & Spyware Symptoms in a HijackThis Log (Maybe different entries but will contain the same domains and hostnames): O4 - HKLM\..\Run: [Cydoor] CD_Load.exe Removal Instructions: Download HijackThis from the above link and extract it to c:\hijackthis. Print out these instructions. Navigate to the c:\hijackthis directory and double-click on HijackThis When the program starts, double-click on the HijackThis icon and then click on the Scan button. Put a checkmark next to the following entries if they exist: O4 - HKLM\..\Run: [Cydoor] CD_Load.exe Then click the Fix button Exit HijackThis. Reboot your computer Press control-alt-delete and end the following processes if they are running: sahdownloader.exe cd_install.exe cfd.exe cd_install_291.exe sahagent.exe cd_install_202.exe cydoor_uninstall.exe cd_load.exe cydoor.exe For each of the following files, click on the Start menu, then click on Run, and in the Open: field type the following and press the OK button: regsvr32 /u filename For example: regsvr32 /u cbanner2.dll cbanner2.dll cd_clint.dll cd_html.dll common.dll cd_htm.dll cd_swf.dll gdnp.dll gr02.dll netpal.dll im64.dll cd_gif.dll kernellos.dll toolbar.dll gdnp.dll Then delete the following files if they exist: sahdownloader.exe cd_install.exe cfd.exe cd_install_291.exe sahagent.exe cd_install_202.exe cydoor_uninstall.exe cd_load.exe cydoor.exe cbanner2.dll cd_clint.dll cd_html.dll common.dll cd_htm.dll cd_swf.dll gdnp.dll gr02.dll netpal.dll im64.dll cd_gif.dll kernellos.dll toolbar.dll gdnp.dll Then delete these directories: c:\windows\system\Adcache c:\windows\system32\Adcache c:\windows\system\Roodyc c:\windows\system32\Roodyc Reboot your computer and you are now clean. Now your computer should no longer be infected with Cydoor. It may be possible that you still have some spyware or malware installed on your computer. If you feel this is the case, follow the instructions below to post a HijackThis log and someone will help you to remove the rest. This is a self-help guide. Use at your own risk. BleepingComputer.com can not be held responsible for problems that may occur by using this information. If you would like help with any of these fixes, you can post a HijackThis log in our HijackThis Logs and Analysis forum. If you have any questions about this self-help guide then please post those questions in our AntiVirus, Firewall and Privacy Products and Protection Methods forum and someone will help you. -------------------- Lawrence

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