You almost updated the virus library of your anti-virus every day but still got the TR/Sirefef.A.61 Virus? Do you think that you can’t remove it on your own? Are you curious that if there is a safe and better way to remove the virus from your computer permanently? Why don’t you have a look at this post?

Information of TR/Sirefef.A.61 Virus

TR/Sirefef.A.61 Virus, is a very tricky rootkit that can place your PC in very dangerous condition. It keeps coming back from time to time if it hasn’t been removed absolutely. This is the detection for malware that intercepts web browser traffic and redirects search engine results.  It is a dangerous computer infection which penetrates into users computers secretly without permission. These series viruses are designed by cyber cribbers to prevent antivirus detection. By loading itself into memory separately from the host program, the virus can continue to run in your system’s memory even after the host program is closed down.

Microsoft Essentials could not clean this TR/Sirefef.A.61 Virus from user’s laptop or desktop for it hides deep in the system dll files or rundll files. It keeps detecting it…then cleans…asks computer users to retart but this process reoccurs each time computer boots up. What is worse, it pops up still even in safe mode,my computer is restart Some time, almost every quarter of an hour. Some specific features of this Trojan horse virus will be stated below.

Firstly, it can hijack your Internet browser, which means it can change the default setting of your browser to occupy the browser’s authorization, alter your home page without your permission. What’s worse, TR/Sirefef.A.61 Virus will affect the web search navigation. Secondly, you will fail to get access to certain web resources. Thirdly, it may install other sorts of spyware/adware to mess your PC system up. In addition, it will redirect your search results to some malicious websites when you use your search engine like Google, Yahoo or Bing. At the show up page, there are numerous ads pop-ups, unsafe links and floored with mal-ware. As a result, it will slow down you PC performance. So we should be careful in our web activities and keep the antivirus permanently updated. Be cautious while browsing! Ways to be infected with it are a lot as long as you are surfing the illegal websites or downloading unidentified files and programs, you will be exposed to numerous risks. Please don’t hesitate removing it soon when you get caught by such disgusting virus.

To have a better and easy way to fix your computer, you’d better contact an expert for help

Why Didn’t My Anti-virus Program Remove This Trojan Horse Virus?

This will be the first question you want to ask if you get this Trojan virus infection. As what you can see, Sirefef.A.61 virus will give itself a name just like it’s one important file of Windows operating system. It just takes advantage of the vulnerabilities of the operating system and your anti-virus so that it can escape from scanning, much less than killing it. When this rootkit disguises as an important file of Windows operating system,  Windows Fire Wall or your anti-virus program will take it for a safe file and won’t kill it. Even if your anti-virus can distinguish it as a virus, the virus can make use of the vulnerabilities of your anti-virus so that it can’t be removed. No perfect anti-virus can remove all smart viruses.

Step-by-step Sirefef.A.61 Virus Manual Removal Guide

In case that any mistake might occur and cause unpredictable damages during TR/Sirefef.A.61 Virus virus removal, please spend some time on making a backup beforehand. Then follow these steps given as below:

1. Restart the infected computer and keep pressing F8 key before Windows launches; then use arrow keys to select and log in with Safe Mode with Networking;
2. Open Control Panel from Start menu and search for Folder Options;
3. Under View tab to tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK;

4. Press Windows+R keys and then type regedit in Run box to open Registry Editor.

5. Delete all the following or those related to the following files.
%AppData%\[random].exe
%AppData%\result.db
%Windows%\system32\[random].exe
%Documents and Settings%\[UserName]\Application Data\[random]
%AllUsersProfile%\Application Data\.dll
%AllUsersProfile%\Application Data\.exe(random)

6. Delete all the following or those related to the following registry entries.
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run Regedit32
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegedit” = 0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “Inspector”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Settings “net”
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\{ Random }
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\BROWonrRun

7. Restart the computer to normal mode when you have successfully removed TR/Sirefef.A.61 virus.

Similar Video on How to Modify or Change Windows Registry

Further more, please be careful when you try to remove the virus yourself. It’s not so easy for one person who is not familiar with the virus and not well trained in IT filed. The virus can change its name constantly which will make the removal work harder to you. If you don’t have much knowledge of Windows operating system, you almost can’t find it out from so large amounts of system files. And you’d better don’t try so called free software to get rid of this Trojan since the virus is well disguised that anti-virus may delete some system files erroneously. What’s more so called free software may be another cheater. You’d better to find an expert to help you remove this TR/Sirefef.A.61 virus.

Anyhow, a professional expert such as YooCare/YooSecurity PC Online Service can easily solve your problem and make you at ease.

Published by Leo R. Oscar & last updated on June 3, 2013 7:36 am

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