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Jul 25, 2012

How to Remove Luhe.Sirefef.A Completely Step by Step? (Manual Removal Instructions)

Is your computer infected by a Trojan named Luhe.Sirefef.A? Do you feel wired that desktop background image and browser homepage settings are changed without notification? These are common symptoms of this nasty virus which needs to be removed immediately.

Definition of Luhe.Sirefef.A.

Luhe.Sirefef.A belongs to a stubborn and harmful Trojan which is a new member created by Sirefef Trojan family – A Trojan family well known by doing great harm to many computer users on the world. This nasty virus is capable to create a so called backdoor which aims to execute its shameful actions on infected computer including steal and transmit sensitive data-bank account, email account to remote attackers, illegally invite many other malware to infected computer, display many unwanted commercial pop ups to ask you to purchase them. However, we should pay highly attention to notice that its purpose is to collect money from you but protect your computer from threats.


How does this stubborn virus penetrate into computer without notification? This virus is very tricky since it changes every time and it can escape the detection of anti-virus. Therefore, even you have tried many anti-virus programs but all of them are failed to handle it. Many computer users have complained about that to us many times after this nasty virus ccame up. It can parasite itself to some legitimate free software or websites so that you barely can be noticed that your computer has been infected by it after you clicked on these software or links. Therefore, it isn’t because that you have done something wrong on your computer so that you get it. It is because this virus is tricky enough to hide itself and escape your notice. This Trojan can make computer run more and more slowly, especially when you are surfing web, watching video and playing games. You may feel very irritated and would like to choose to reformat your system in order to get rid of this virus as soon as possible. But you will be more angry after you done that because you not only lost all your data but also will see this nasty Trojan pop up again in several days later. Perhaps you also can find that your system has been destroyed because although you have reformatted your computer, it still hides deeply in your system and does harm to it. You have been deceived by this nasty Trojan. In order to get rid of this Trojan soon, we would like to recommend manual removal this effective way to help you. You won’t be disturbed by this nightmare soon.

Manual removal is a risky job as any mistake will lead to system crash immediately. When you perform the following guide, back up your data first. If you’re not computer literacy or not sure how to deal with registry entries, please live chat with YooCare experts now.

Tips to Help You Notice Luhe.Sirefef.A.

1. Your computer runs really slow and you can get a lot of unwanted commercial pop ups constantly.
2. You will be redirected to other unwanted websites.
3. Your desktop image and browser homepage setting are modified without your approval.
4. Sometimes your computer will be shut down without your permission so that you can’t use it smoothly.
5. You can receive a pop up window says Luhe.Sirefef.A and your computer will display a lot of errors which make you scared.

Manual Tips to Help You Remove Luhe.Sirefef.A Completely and Effectively.

Step 1: Press CTRL+ALT+DEL or CTRL+SHIFT+ESC. Open the Windows Task Manager.

If that didn’t work, try another way. Press the Start button and click on the Run option. This will start the Run tool. Type in taskmgr and press OK. This should start the Windows Task Manager

Step2: Stop all processes in the Windows Task Manager.

Windows XP:
%AllUsersProfile%\Application Data\~
%AllUsersProfile%\Application Data\~r
%AllUsersProfile%\Application Data\.dll
%AllUsersProfile%\Application Data\.exe

Windows Vista & 7:
%AllUsersProfile%\~
%AllUsersProfile%\~r
%AllUsersProfile%\.dll
%AllUsersProfile%\.exe

Step 3: Manually get rid of registry entries created by This Nasty Virus.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ’0?

Step 4: Reboot your computer and have a check.

Similar video guide on how to reset Windows Registry entries:


If you failed to remove Luhe.Sirefef.A with the instructions above or need any assistant, you are welcome to contact YooCare experts to resolve all the problems completely.

Published by & last updated on July 25, 2012 12:26 am

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