Thoroughly Remove Win32/Sirefef.R - Virus Removal Instruction

Hazardous Win32/Sirefef.R

1.    Win32/Sirefef.R invades system without any permission
2.    Win32/Sirefef.R has bad reputation & impact online
3.    Win32/Sirefef.R spreads to removable drives and other PCs quickly
4.    Win32/Sirefef.R may bring along all kinds of spyware program

Information of Win32/Sirefef.R

Win32/Sirefef.R has become a salient member of Win32/Sirefef big family. As a strong rookit Trojan infection, Win32/Sirefef.R will be a troublesome problem for many computer users. Some users may notice the existence of Win32/Sirefef.R via having a full scan with their antivirus programs and also try to remove the virus with auto removal. The virus may be detected on C:\windows\system32\services.exe, but no matter how many times you remove it with antivirus software, it may still glue in your affected machine stubbornly. What’s the problem? The original reason should be the advanced property of Win32/Sirefef.R which will be able to escape the detection and auto removal of antivirus&spyware. With its changeable characteristics, Win32/Sirefef.R has updated its power all the time so that to smash compromised machine deeply and badly. Some victims may realize some weird situations in their PC like the slow performance of Windows, random popups, some unusable functions and etc.

What we should pay attention to is that Win32/Sirefef.R has the ability to download and install arbitrary files which may be related to Trojan, worm or other malware. It is certain that your PC will be at highly risk as well as your personal data. The security of affected PC will be super fragile to be broken by cyber criminals. Hence, it is necessary to clean up Win32/Sirefef.R from your computer timely before worse results. 

Download Automatic Virus Removal Tool

How does Win32/Sirefef.R get into your PC?

1) downloading files/drivers from an unreliable web sites;
2) opening email or downloading media files that contain the activation code of the virus;
3) The virus has successfully hacked some famous social online communicate website such as Facebook, Twitter, Yahoo and sites like that. The web masters are not possible to have enough time to manage all corners of their websites. If you get any suspicious pop-up from a website, you have to be careful since the pop-up may not be from the website, instead, may be from Trojans that can control your PC within a short time if you click the pop-up.

Here is the manual removal guide:

Show hiden files of Win32/Sirefef.R
1. Open Folder Options: clicking the Start button> Control Panel> Appearance and Personalization, and then clicking Folder Options.   After that clicking the View tab.

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

Completely removal
1. Launch the Task Manager by pressing keys “CTRL + Shift + ESC”, search for XY processes and right-click to end them.

2. Get rid of the following files created by Win32/Sirefef.R:

%AllUsersProfile%\random
C:\windows\system32\services.exe\

3. Open Registry Editor (in Windows XP, go to Start Menu, run, type in “Regedit” and press OK; in Windows 7 & Windows Vista, go to Start menu, Search, type in “Regedit”), find out the following Win32/Sirefef.R registry entries and delete:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\W32/MTWB.A.gen!Eldorado
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AAWTray.exe
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AAWTray.exe\Debugger svchost.exe
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVCare.exe
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVCare.exe\Debugger svchost.exe
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVENGINE.EXE
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVENGINE.EXE\Debugger svchost.exe

Automatic Removal Tool (Recommended)

SpyHunter is a powerful, real-time anti-spyware application that designed to assist the average computer user in protecting their PC from malicious threats like worms, Trojans, rootkits, rogues, dialers, spyware, etc. It is important to notice that SpyHunter removal tool works well and should run alongside existing security programs without any conflicts.

Step 1. Click the Download icon below to install SpyHunter on your PC.


Step 2. After the installation, run SpyHunter and click “Malware Scan” button to have a full or quick scan on your computer.


Step 3. Choose Select all>Remove to get rid of all the detected threats on your PC.

Please be aware that you need to be very prudent during the whole removal process, because any inaccurate operation may result in data loss or even system crash. If you are confused how to do the above steps, you just need click here to download the most popular antivirus program SpyHunter to help you.