How to Remove Backdoor.Win32.Zaccess.ydb Effectively

Is your computer is invaded by Backdoor.Win32.Zaccess.ydb? Does it receive a lot of popup ads and security warnings? Do you feel that the computer speed is slower than usual? Cannot find the effective way to remove this threat and make your computer work properly? Don’t be upset anymore. This post will tell you how to effectively get rid of this malicious invader from your computer.
Trojan-horse_
Backdoor.Win32.ZAccess.ydb is a hazardous Trojan horse that can cause a lot of troubles to your computer. It usually sneaks into your computer without drawing any notices and hides itself in the background of your system. With the rootkit technique, it can evade detection and removal by common antivirus programs. Therefore, most of the PC users can hardly feel its invasion at the very beginning until their computers starts showing some abnormalities, like slow speed, constant pup-ups and system crash, etc. This Trojan horse is very stubborn so that it may be difficult for you to remove it only using a common antivirus program.

Effects of Backdoor.Win32.ZAccess.ydb Infection

1. Computer performance is greatly affected and it runs slowly and sluggishly.
2. Computer system becomes unstable and crashes occasionally.
3. System settings are automatically modified by the Trojan horse.
4. Important system files are overwritten or deleted by the Trojan horse.
5. Some applications and programs cannot open for some system files are missing.
6. Antivirus programs are shut down without any permission.
7. Browsers are constantly redirected to other undesirable websites.
8. Other vicious malware like spyware, adware and virus are automatically downloaded onto your computer.
9. Important data and personal information stored on the computer are stolen and sent to the remote hackers.

Note: The manual removal is a complicated and risky task which should only be attempted by advanced computer users. If you are less-experienced in computer operation, please download and use a powerful removal tool to remove the Trojan horse right now.

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Trojan Horse Removal Guide:

Backdoor.Win32.ZAccess.ydb is proved to be a very dangerous theat that needs to be removed with effective ways promptly. If using the antivirus programs on your computer turns out to be a failure, it is suggested that you manually remove this harmful stuff from your computer in the Safe Mode with Networking. This method will work if you handle it appropriately. You can follow the step-by-step guide given below to start the manual removal:

Step 1:Restart your computer and get into the Safe Mode with Networking.

Restart your computer. During its starting process, you should press the function key F8 constantly. When the Windows menu shows up, select “Safe Mode with Networking” from the list with the arrow keys and press Enter.
safe-mode-with networking
Step 2: Kill processes related to the Backdoor.Win32.ZAccess.ydb via the Windows Task Manager.

Press keys Ctrl+ Alt+ Del or Ctrl+ Shift+ Esc together to open the Windows Task Manager. Select the “Processes” tab, search for and delete the malicious processes using the “End Process” button.
task_manager_win7
Step 3: Remove the programs related to the Trojan horse.

Click the Start button > select Control Panel > click Uninstall a Program under the Programs category. Then, search for the program related to the Trojan horse. Select them and click Uninstall from the options at the top of the list.
uninstall-program
Step 4: Remove files associated with the Trojan horse from the C drive.

%Temp%\[random]
%WINDOWS%\system32\[random_name].dll
%WINDOWS%\system32\o2flash.dll
%WINDOWS%\system32\p1131vid.dll
%WINDOWS%\system32\tb2launch.dll
%WINDOWS%\system32\wdica.dll
%WINDOWS%\ystem32\drivers\[random_characters].sys

Step 5: Delete the registry entries associated with the Trojan horse through the Registry Editor.

Press the Windows key and R key together. Type “regedit” into the dialog box and press Enter to proceed. In the Registry Editor, you need to search for and delete the entries in the following:
run_command_box
regedit editor__
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings: “ProxyEnable” = 0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win32\
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = ‘ 1′
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer “NoDesktop” = ‘ 1′
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableTaskMgr” = ’1′
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[random].exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system “DisableTaskMgr” = ‘ 1′

Step 6: After all these steps above are finished, restart your computer back to the normal mode.

Note: Manually removing the nasty Trojan horse is a cumbersome and risky task that is only fit for PC users who have enough experiences of deleting system files and registry entries. If you are a novice user, it is highly recommended that you remove this threat automatically with a professional removal tool. Equipped with advanced features, the removal tool can effectively and easily eliminate Backdoor.Win32.Zaccess.ydb from your computer in minutes and without causing any system damage.

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