Oct 28, 2016

Trojan.Encoder.6491 Virus Removal Tips

Hi, my computer was running very slow recent days. I suspected that my computer was infected by virus or malware. I ran my Norton and found Trojan.Encoder.6491 Virus as well as its related threats. Norton said the virus was removed. However, when I rebooted my computer, I got warning pop-up showing on the corner of my computer again. How do I get rid of this malicious virus completely from my compromised computer? Please help!

More Detailed Introduction About Trojan.Encoder.6491 Virus:

Trojan.Encoder.6491 Virus is created by malicious cyber criminals with the purpose of hacking into the target computer and then conducting pesky activities on the compromised computer. This Trojan has been sorted be the member of malicious Trojan family which mainly attacks all kinds of Windows computer users around the world including Windows 10, Windows 7, Windows 8, Windows 8.1, Windows XP, and Windows Vista and so on. Trojan.Encoder.6491 virus can dive into your computer through many ways. In most of cases, it can be distributed via hacked and porn websites, malicious links & pop-ups & ads, free downloads, shareware, junk emails, spam email attachments and peer-to-peer files and so on. So, you may not know about the coming of the virus unless you get the warning from the antivirus programs. Please think twice before you click on any links/pop-ups/ads. Please read Term and Agreement when you want to install a program on your computer. Hence, it is advised that you should be more cautious while you are online.

Once Trojan.Encoder.6491 gets on computer, it will perform kinds of harmful activities to damage your computer system. Once installed, it can affects important windows system section like windows folder, start-up item or registry editor. Then it will change or replace your crucial files without your approval. If some crucial files are lost, you will find computer cannot start or shut down normally. You can’t use your problem normally. You will get errors or fake warnings popping up on your screen again and again. If you don’t remove the virus from your computer in time, it can deeply root into system and bypass the detection of antivirus. In addition, this malicious Trojan has the ability to change browser settings and DNS settings to block you access the Internet. Also you will encounter browser hijacker problem on your web browser. What’s worse, this vicious Trojan can act as a backdoor to bring other virus, malware and spyware into system. So, if you want to protect your computer, you should remove this virus from your compromised computer as early as you can.

Processing manual removal should have a certain level of computer literacy. If you are not sure how to start or afraid of making any critical damage on the computer system, please open a live chat with YooCare Expert now!

What Will This Trojan Actually Do on Your Computer?

1. Desktop background image and Browser homepage settings are changed. Google, Yahoo Searches are redirected.
2. It may slow down your computer considerably and you will feel like your computer is stuck. This includes opening programs, shutting down your computer, and slow Internet.
3. It is capable to corrupt your windows registry and uses it to deploy annoying pop up ads out of nowhere. You will get many unwanted pop-ups on your computer.

Note: No matter how the virus accesses your PC, users should know that there are no tools can remove this pesky Trojan automatically at this moment, it is suggested users not spend much time in downloading or paying any security software which claims can delete this stubborn virus. It is totally useless. To completely get rid of Trojan.Encoder.6491 virus, professional manual guide is needed.

About Trojan Virus Removal:

Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.

1. End the malicious process from Task Manager.
Trojan.Encoder.6491 virus is installed,computer user may notice that CPU usage randomly jumps to 100 percent. At any time Windows always has many running processes. A process is an individual task that the computer runs. In general, the more processes, the more work the computer has to do and the slower it will run. If your system’s CPU spike is constant and remain at a constant 90-95%, users should check from Task Manager and see if there is a suspicious process occupying system resources and then end it immediately.

(The name of the virus process can be random.)

Press Ctrl+Shift+Esc to quickly bring up Task Manager Window:

task manager
2. Show hidden files and folders.

Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.

Click the View tab.

Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.

Folder Options

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

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

a. Press Windows key + R to open Run box. In the “Open” field, type “regedit” and click the “OK” button.


Then a Registry Editor window will pop up as the following picture shows:

registry editor

b. Search malicious files and registry entries and then remove all of them:

%AllUsersProfile%\Application Data\.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\[random]
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Temp

Video Shows You How to Safely Modify Windows Registry Editor:


Trojan.Encoder.6491 is dangerous computer infection which may perform several actions when executed. This infection can spread in a variety of ways. Once installed, this Trojan may control your Internet browsers (Internet Explorer, Google Chrome, Mozilla Firefox, etc.) by altering search results and gaining online profit for its authors. If you check in CPU usage of your computer, you will find the usage becomes higher. Even worse, this Trojan horse together with other virus and malware can damage troubleshooting mode of computer if you can’t remove it timely, then your computer will be useless. In a word, if you detect this infected or its related threats on your computer, you should remove it as early as you can. Only manual removal way can get rid of this stubborn virus effectively and completely.

Note: Still have trouble in removing this virus? If you don’t want to mess up your whole PC, Please contact YooCare Experts for instant help now.

Published by & last updated on October 28, 2016 6:32 am

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