Remove Win32/Sirefef.GC

Your personal or work computer is tortured by a virus called Win32/Sirefef.GC? How can it get the opportunity to enter your computer through you have an antivirus program? You don’t know what kind of malicious things it is able to do on your computer? Is there a good way to get rid of it? Is your personal information still safe? Don’t be panic, you can read the entire article to know more about the nature of the virus.

Details of Win32/Sirefef.GC:

Win32/Sirefef.GC is a computer virus which can be detected by some famous antivirus such as MSE and AVG. to It is created with Rootkit technology so that it is able to bypass the antivirus and root deeply in the infected computers. Normally, it is distributed by the virus makers in some phishing web sites or junk email attachments. And unsafe free downloads can also make your computer infected with it.

Once Win32/Sirefef.GC is installed on your computer, it can lead to many computer problems. You may have noticed that the CPU occupancy rate is very high, which often causes computer stuck problem and program no responding problem. You will also find some other computer threats including worms, spyware and malware in the computer that are all brought in by the virus. It also has the ability to destroy or encrypt your files. Moreover, it is able to create a backdoor for the virus makers to access the computer and perform some malicious tasks including stealing personal information. Your valuable information and data such as bank account information and email password will be exposed. Many of the victims want to use antivirus software to clean up the computer, but antivirus software can not deal with it successfully because many new viruses are created every day and old viruses have the ability to change. An antivirus program is not a panacea. Of course, the antivirus program can still provide basic protection. However, when it comes to some stubborn viruses such as Win32/Sirefef.GC, only manual removal can ensure a complete repair.

Processing manual removal is supposed to have a certain level of computer literacy. If you are not sure how to start and are afraid of making any critical mistakes damaging the computer system, please live chat with YooCare Expert now.

What Can the Vicious Virus Do?

1. It has the ability to download additional components and other infections in the target computer in order to fully complete its penetration.
2. It is able to cause system crash and destroy some of your programs in the infected computer.
3. It facilitates the virus makers to intrude your computer remotely without letting you know.
4. It is capable of collecting your browsing history and other private data.

Manual Removal Guide:

Win32/Sirefef.GC is an evil computer virus that is a tool for cyber criminals to access and control the target computer remotely. Antivirus software can help computer users know the presence of the virus by sending a warning. It has the ability to drop its highly contagious code into the system. Therefore, antivirus software can not completely remove it. It also helps cyber criminals to access the infected computer to collect valuable information, including your search record, account login information and confidential files. As a victim of the virus, you may want to use your antivirus program to fully clean the infected computer. However, many computer users report that antivirus software cannot delete all its infectious files. Thus, you should consider the manual removal.

1. End Relevant Processes

(1). Press Ctrl+Shift+Esc together to pop up Windows Task Manager, click Processes tab

Windows Task Manager

*For Win 8 Users:

Click More details when you see the Task Manager box

Win 8 Task Manager

And then click Details tab

Details Tab in Win 8 Task Manager

(2). Find out and end the processes of Win32/Sirefef.GC

2. Show Hidden Files

(1). Click on Start button and then on Control Panel

(2). Click on Appearance and Personalization

(3). Click on Folder Options

(4). Click on the View tab in the Folder Options window

(5). Choose Show hidden files, folders, and drives under the Hidden files and folders category

(6). Click OK at the bottom of the Folder Options window

*For Win 8 Users:

Press Win+E together to open Computer window, click View and then click Options

View in Computer Window

Click View tab in the Folder Options window, choose Show hidden files, folders, and drives under the Hidden files and folders category

View Tab in Folder Options Window

3. Delete Relevant Registry Entries and Files

(1). Delete the registry entries of Win32/Sirefef.GC through Registry Editor

Press Win+R to bring up the Run window, type “regedit” and click “OK”

While the Registry Editor is open, search and delete the related registry entries

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\[RANDOM CHARACTERS].exe

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” =Random


(2). Find out and remove the associated files



%AllUsersProfile%\Application Data\.dll HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Random “.exe”

Video Shows You How to Safely Modify Windows Registry Editor:

Win32/Sirefef.GC is a serious threat to your computer. Antivirus software can identify the presence of the virus but cannot delete it. It gets into the computer through a variety of ways. If the computer users visit a phishing website accidentally, open a junk email attachment or click on a malicious link, the computer will be infected. It will modify the registry keys so that it is able to run in the background secretly. It will also increase the burden of the system to make the computer run so slowly. In addition, it is able to capture the confidential data stored in computer and send back to the cyber criminals. Your privacy may be used illegally by them. In order to avoid further losses, we strongly recommend that you get rid of Win32/Sirefef.GC.

The above manual removal is quite dangerous and complicated, which needs sufficient professional skills. Therefore, only computer users with rich computer knowledge are recommended to implement the process because any errors including deleting important system files and registry entries will crash your computer system. If you have no idea of how to process the manual removal, please contact experts from YooCare Online Tech Support for further assistance.

Published by on June 9, 2014 3:20 am, last updated on June 9, 2014 3:20 am

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