How to Manually Remove Trojan:Win64/Sirefef.T Infection?

Do you have any idea of what a Trojan:Win64/Sirefef.T virus can bring to your computer? Cannot completely remove it by your antivirus software? To completely delete it from your computer, a manual removal is required.


Trojan:Win64/Sirefef.T is categorized as a dangerous Trojan infection that spreads all over the world via social networks. It’s also known as a Trojan serial virus. Trojan:Win64/Sirefef.B and Trojan:Win64/Sirefef.Y are both from the same family. You can easily get infected by this Trojan virus if you don’t pay enough attention when surfing online. To be more specific, when you click on some hacked websites or download malicious programs, viruses hidden in them will sneak into your computer without permission.

You may not notice it when Trojan:Win64/Sirefef.T just gets inside. Before it begins to do further infections, it will take some time to make several changes of system settings. By doing that, it can steadily stay in your computer and will come back again when you think you have deleted it. Do not let this piece of virus stay in your computer for long. The main purpose of this Trojan infection is to assist more viruses, spyware, ransomware and even remote hackers to get into your computer. Once remote hosts get inside, they will collect your valuable information to make illegal benefits. To save your computer and properties, please try to get rid of it manually as soon as possible.

The following instructions require certain levels of computer skills. If you’re not sure how to delete Trojan:Win64/Sirefef.T virus, please live chat with YooCare experts now

Threats of Infection:Win64/Sirefef.T :

Remote hackers can get into your computer and collect your personal information without drawing your attention.
More viruses and malware can be brought to install in your computer without permission.
There will be numerous pop-up windows including fake security alerts, unreal surveys and porn ads.
Useless and infected files and folders will be dropped into your computer to cause it run slower than before.

Manual Removal Instructions

Trojan:Win64/Sirefef.T virus needs to be removed manually because it can unable the operation of legitimate virus protectors. And in case that any mistake might occur and cause unpredictable damages, 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 to log in with Safe Mode with Networking;

2. Open Control Panel from Start menu and go to Folder Options;

3. Under View tab to tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended);

4. Press Windows+R keys to open the Run window;

5. Find out and delete all these associating files as below:
%Documents and Settings%\[UserName]\Application Data\[random]
%AllUsersProfile%\Application Data\.dll
%AllUsersProfile%\Application Data\.exe(Trojan Win64 Sirefef.T)

6. Find out and remove all these associating registry entries:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run Regedit32
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “Inspector”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Settings “net
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “[random].exe”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\”Shell” = “[Trojan Win64 Sirefef.T].exe”

7. Restart the computer to normal mode when the above steps are done.

Similar Video Shows You How to Safely Modify Windows Registry Editor:

Note: If you don’t have much computer background knowledge and have failed to remove the Trojan:Win64/Sirefef.T virus by the above instructions, please contact YooCare Expert for a fast and professional removal.

Published by on July 16, 2012 7:11 am, last updated on July 16, 2012 8:41 am

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