How to Remove Defragmentertrojan Completely

Hey, there. Is unbelievable how Defragmentertrojan gets into my computer since I installed Norton and AVG on my computer? This morning both of these two antivirus programs told me that a Trojan is on my computer. I was shocked by this news. How did this thing happen? What should I do now? My antivirus tools can’t remove this virus. Please help me out of this situation! Please help me remove this Trojan out off my computer completely. Thank you!

A Brief Instruction of Defragmentertrojan

Defragmentertrojan is classified as a perilous Trojan which is created by cyber criminals to ruin your system totally after its installation. This Trojan is a malicious computer infection which can install itself on your system once it gets the chance. It can take control of your computer at once if it gets into your computer. This virus is attached to spam emails, freeware downloads, suspicious websites and so on. If you get this virus on your computer, it means that your computer is set in a great risk situation. So, you should remove this virus as soon as you can.

Additionally, Defragmentertrojan can get any chance to sneak into the compromised computer secretly and install itself on your system without knowledge and permission. Once you detect this Trojan, it can indicate that your computer has been destroyed so severely. This virus not only can take control of your online activities, but also change your DNS settings and it will also modify your Windows registry key entries to reinstall itself after every system restart. Moreover, your default browser and homepage settings are changed automatically so that you may be redirected to some unsafe websites. This Trojan can act as a platform for other viruses get into your computer as it may damage your security system so badly. This virus acts as a backdoor for other infections like other Trojans, spyware, adware, malware and so on. Besides, this Trojan may create lots of ads and pop-ups to mess up your whole system. Hence, this virus should be gotten rid of your computer once you detect it.

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 Defragmentertrojan, 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.

Once Defragmentertrojan 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:


Defragmentertrojan is a vicious Trojan infection which may display annoying ads on your system after its installation. Moreover, it will rule your actions and stop all your processes and even incapacitate the point of your Task Manager or System Restore. Additionally, it will generate some fake messages on the infected computer screen. It will help the cyber criminal to records your confidential information and online activities as well. This malicious Trojan will become a big threat to your computer system as well as your financial security. Thus, it is highly recommended to get rid of this vicious Trojan as soon as possible once it is detected. As we all know that such stubborn Trojan infection can only be removed by manual. However, manual removal process is a complicated procedure. If you make any mistake during this process, you may lead to a mess up on your system. It is recommended that if you don’t know how to start, please click on the blue button of live chat on this page with Yoocare Online Expert for further assistance.

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 on March 26, 2015 11:37 pm, last updated on March 26, 2015 11:37 pm

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