Cannot get rid of Trojan:Win64/Sirefef.U virus from your computer successfully as it comes back after every reboot? Find a suitable solution here to completely remove this Trojan infection.

What’s Win64/Sirefef.U Trojan Infection? What Can It Do To Your PC?

Trojan:Win64/Sirefef.U is categorized as a serial Trojan infection that can bypass antivirus software and sneak into your computer to do damages. It is created by hackers to mainly collect your valuable personal information to make illegal benefits. To be more specific, once it’s inside your computer, it can inject malicious codes to let remote hackers enter your computer and follow all your activities. It can create a fake system or unreal sign up sites for you to give away your data unconsciously. Besides from that, it can also create system security flaws in order to bring more viruses to your computer without approval from you. There will even be constant pop ups to disturb you and slow down the overall speed of computer. To save your computer from great damages, you may wonder what kind of programs can deal with this Trojan:Win64/Sirefef.U virus successfully. If you’re still looking for better tools online, you’re in the wrong track now. It is believed that this Trojan infection should be manually removed as it can be completely deleted in this way. Following are some instructions on how can you manually get rid of this Trojan, but it requires expertise. Or you can contact YooSecurity Online Experts for help now.

Steps to Manually Remove Win32/Sirefef.U Trojan Infection:

If you don’t know what you are going to deal with, please spend some time on making a system backup at first so that you won’t accidentally delete any critical system data and cause system disability. Then follow the steps given below to start removing Trojan:Win64/Sirefef.U right away:

Step 1: Reboot the infected computer, constantly press F8 and then use arrow keys to select “Safe mode with networking” and press enter.

Step 2: Open Control Panel from Start menu and double click Folder Options.

Step 3: Click on View tab, select Show hidden files and folders and non-select Hide protected operating system files (Recommended).

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

Step 5: Delete all the following or those related to the following files.
%Documents and Settings%\[UserName]\Application Data\[ Trojan:Win64/Sirefef.U]
%AllUsersProfile%\Application Data\.dll
%AllUsersProfile%\Application Data\.exe(random)

Step 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\{ rnd }
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current\Winlogon\”Shell” = “{Trojan:Win64/Sirefef.U}”

Step 7: Reboot the computer again and let it get into normal mode this time.

Video of Key Steps on How to Modify or Change Windows Registry:

Notice: If you still cannot delete completely this Trojan:Win64/Sirefef.U virus from your computer and are afraid of losing more data and information, please contact YooSecurity Expert now for a complete and satisfied Trojan virus removal online service.

Published by Tony Shepherd & last updated on November 26, 2012 5:43 am

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