May 10, 2014

Backdoor.Grexden Virus Removal Tips

Computer has been attacked by Backdoor.Grexden virus? How can this Trojan horse infect your computer since you have installed the anti-virus program? How can you get rid of this Trojan horse completely from the infected machine? Do you have to use anti-virus program or manual removal? What damage will be caused if this virus keeps staying on? Learn more from this post.

Description of Backdoor.Grexden Virus:

Backdoor.Grexden is a latest Trojan horse which attacks careless PC users on the Internet. Usually this nasty virus process will infect the Windows OS computers by free infected programs, spam E-mail attachment and other unsafe executable processes. Once the PC users activate these infected files accidentally, the Backdoor.Grexden will be installed to the infected PC in a quick time. Most of the victims will notice this virus when the anti-virus programs give them virus infection warning. However, it can not be easily removed by these security programs because it will keep appearing after PC users restart the infected computer, anyway, this Trojan horse has been one of the most dangerous viruses on the Internet, which needs to be removed to avoid further damage.

In general, Backdoor.Grexden virus will target on the PC users who use the windows OS computers. Once the virus has been installed to the infected PC, it will cause a terrible virus infection such as slow performance and system crash, Which means the victims have to take more time on opening a program or even turning on, their process can be frozen randomly and even get the blue screen of death. What is more, this Trojan horse may bring other threats like browser hijack redirect, worm, and even the malware on the infected PC via the backdoor process. Thus, this Trojan horse needs to be removed completely to keep the infected PC safe.

The following instructions require certain levels of computer skills. If you’re not sure and are afraid to make any critical mistakes during the process, please live chat with YooCare Expert now.

How Can This Virus Attack the Computer?

How did you get Backdoor.Grexden virus on your computer? Usually these kinds of the viruses will be planted to some programs especially free programs, .exe, .bat or other executable processes and unsafe links. The computer will get the virus infection when the PC users install, open or click on these infected files. Sometimes the virus can even attack the computer by the files on the USB stick as well. Most of the unsafe website and forum will contain the virus infection, the computer can be infected while visiting these webpages.

What Damage Will be Caused by the Virus:

Generally speaking, this virus can cause terrible virus infection on the infected computer like running slowly and even computer crashing. Once this virus has been installed to the computer, PC users will have to spend a long time opening programs or turning on the infected machine. It keeps taking over the high resource of the CPU and attacking the anti-virus program, other threats can be downloaded automatically from the unsafe website as well. What is worst, the cyber criminals have ability to remote control the infected PC due to this dangerous virus, all the information is in a high-risk of being stolen, the whole computer won’t be safe anymore.

Best Way to Handle With the Trojan Virus Completely?

The Trojan horse virus is an extremely dangerous threat on the infected computer. Registry and other system settings can be modified by it completely, that is the reason the nasty redirect virus can escape the tracking of the security tools like anti-virus program or firewall. It is strongly suggested that PC user should get rid of this Trojan horse virus in a manual way to remove it. Learn more from the manual removal guide below.

Step-by-Step Manual Removal Guide:

1. Press Ctrl+Shift+ESC keys together and stop virus process in the Windows Task Manager.

(The name of the virus process can be random)


2. Show hidden files and folders.
a. For XP: Press Win+E together, click on Tools, then choose Folder Options

For Vista, 7 and 8: Press Win+E together, click on Organize, then choose Folder and search options.
b. Click the View tab.
Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.

3. Open Registry entries. Find out the malicious files and entries of the virus and then delete all.

Attention: Always be sure to back up your PC before making any changes.

a. Press Win+R to get the Run window. In the “Open” field, type “regedit” and click the “OK” button.


regitry editor

b. All malicious files and registry entries that should be deleted:




HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\[RANDOM CHARACTERS].exe

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion

4. Reboot the computer normally to take effective, when the above steps are done.

This Video Shows You How to Safely Modify Windows Registry Editor:

As the above mentioned, Backdoor.Grexden is an extreme dangerous virus once it is on the infected machine, It can let the infected PC stay in a high-risk situation of being attacked by the cyber criminals, the hijacker can even have the ability to get into the infected PC to steal the information on the whole system, and that is the way which cyber criminals collect data from the infected PC. Since the anti-virus program can not handle this Trojan horse well. It is suggested that you should remove it by a manual way.

If you have no idea how to do with that, please to contact experts from Yoocare Online Tech Support for further help.

Published by & last updated on May 10, 2014 1:46 am

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