How to Remove Backdoor.Grexden Trojan Virus Completely

Introduction about Backdoor.Grexden 

Backdoor.Grexden is a destructive Trojan Horse virus which can damage your system dreadfully. This Trojan virus can be distributed itself via free downloads, junk email attachments and hacked websites. If you are careless when you surf the internet, your computer probably will be infected by Backdoor.Grexden. By that time, you will have many difficulties in solving the problems.

Since Backdoor.Grexden penetrates your computer successfully, it sets itself as a start up process so every time you open your computer, it runs automatically. Meanwhile, it has the ability to block your firewall and antivirus. That's the reason why it can bypass the antivirus and perform its malicious activities freely. Backdoor.Grexden drops malicious files and contaminates normal system files and creates vulnerabilities to invite more junk programs get inside your computer easily. These harmful programs together will drag down the running speed of your computer because they have taken up high CPU usage. Moreover, your computer will freeze up or shut down suddenly.

The worst thing is that Backdoor.Grexden will allow remote hackers to connect your computer without letting you know so that they can steal your sensitive information for illegal purposes. For example, they will use your personal information to perform some malicious activities online for their own benefits. Therefore, in order to protect your computer and your privacy, you are strongly recommended to remove Backdoor.Grexden from your computer without any delay.

Severe Results Caused by Backdoor.Grexden 

1. It hides deep in your computer and bypasses the antivirus.
2. It automatically runs itself every time you open your computer.
3. It drops malicious files and contaminates normal system files.
4. It consumes many system resources and makes PC performance poor.
5. It opens backdoor for other unwanted malicious programs.
6. It can steal your personal information for illegal purposes.
Remove Trojan.snowl.gen.1 Effectively
Before the removal, please first back up your system! You should be extremely careful when deleting any file, because any mistake may lead to system crashes and other severe consequence.
METHOD 1. Manual Removal
Step One:
Reboot the computer and before Windows interface loads, hit F8 key repeatedly. Choose “Safe Mode with Networking” option, and then press Enter key. System will load files and then get to the desktop in needed option.
 
Step Two:
Open Windows Task Manager and end virus processes. There are three ways to launch the Task Manager

① Press keys Ctrl+Alt+Del.

② Press keys Ctrl+Shift+Esc.

③ Press the Start button→click on the Run option→Type in taskmgr→press OK.

Step Three:
Click “Start” button and open the “Control Panel”, then double-click “Folder Options”. When the Folder Options window shows up, please click on the “View” tab, tick “Show hidden files and folders” and unmark “Hide protected operating system files(Recommended)” and then press OK.

Step Four:

Open Start menu and click on the “Search programs and files” box. Then delete Backdoor.Grexden files: 

%AllUsersProfile%\Application Data\random.exe

%UserProfile%\Desktop\Backdoor.Grexden

%UserProfile%\Start Menu\Programs\Backdoor.Grexden

Step Five:

Open Registry Editor by pressing Windows+R keys, type in regedit and click “OK” to launch the Windows Registry. Then delete all Backdoor.Grexden registry entries and keys. 

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe

 

METHOD 2. Automatic Removal
To completely delete Backdoor.Grexden, you need to know that the manual removal above may not be able to remove virus  completely, because the creators of virus are always updating the virus version.Besides,any tiny mistake during the manual removal process may lead to severe consequences. Therefore,to ensure a complete and safe virus removal, it’s recommended that you get rid of virus with Automatic Backdoor.Grexden Removal Tool. 
                                                                                   

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