I got a virus recently on my personal computer. It’s the Trojan:WinNT/Sirefef.J virus. It’s been giving pop ups on my computer ever since then and I can’t seem to stop them. Would there be any damage to my computer if I just leave these pop ups alone? If it needs to be deleted, how can I do that without harming my important stuff on the computer?

Trojan:WinNT/Sirefef.J Infection Description

Trojan:WinNT/Sirefef.J is another category of the Trojan Sirefef group that has been reported to attack computers lately. Computer users have found it very stubborn and easy to return after the removal. Any remaining associating items will bring this Trojan virus back in the computer right away. And considering that personal privacy is put in risks by this Trojan infection, one should get rid of this virus as soon as possible to prevent any damage from happening on the computer. The Sirefef.gen!c Trojan is also a member from the same group which has also been giving troubles to many computer users.

Hidden among many fishy and hacked web sites, malicious programs and spam mail attachments, Trojan:WinNT/Sirefef.J virus will be able to spread over the networks to attack computer users from different places even though when they are protected by antivirus programs. Once computer users visit these unsafe sites with or without purposes, install unknown “free” applications and download email attachments from unknown contacts, they can be attacked by this Trojan virus right away. This WinNT/Sirefef.J virus is believed to be able to affect your browsing activities by hacking the default search engines and replace the results to spam sites and links. It can also make money using the pay-per-click technique. Other than that, this nasty Trojan infection can also install unnecessary updates and components on the infected computer to make it stuck more often.

Note: System and privacy won’t be safe when having this Trojan:WinNT/Sirefef.J virus in the computer. Contact YooSecurity Online PC Experts to get help on saving your computer from this stubborn Trojan virus as soon as possible.

A Step-by-step WinNT/Sirefef.J Removal Guide

Trojan:WinNT/Sirefef.J virus has the ability to bypass most antivirus programs installed on computers. Hence, using antivirus tools to remove this Trojan virus cannot guarantee a complete removal. Manual steps are given in the following to give you a general concept on how to remove this Trojan infection manually. Due to the changeable character of this Trojan virus, expertise will be needed during the manual removal process to prevent any possible damage and unpredictable consequences from happening.

Step 1: Open Windows Task Manager to end processed related to Trojan:WinNT/Sirefef.J virus. To do that, press Ctrl+Alt+Del keys at the same time or right click on bottom Task Bar and select Start Task Manager.
Windows Task Manager

Step 2: Open Control Panel from Start menu. Go to Folder Options and under View tab, select Show hidden files and folders and non-select Hide protected operating system files (Recommended) then click OK.
Folder Options

Step 3: Go to Registry Editor. First press Windows+R keys and then type regedit in Run box to search. Delete registry entries associated with this WinNT/Sirefef.J infection:
Run+Registry Editor

%AllUsersProfile%\Application Data\[tmp]
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegedit”
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\{rnd}=

Video on How to Modify or Change Windows Registry


Computer being attacked by Trojan viruses such as Trojan:WinNT/Sirefef.J virus is a very common situation nowadays as computer has become a necessity in our daily life. But even though computers are protected by antivirus programs, viruses can still sneak around sometimes especially when computer hackers are behind the viruses. It is believed that computer hackers can benefit from such Trojan viruses they create. This WinNT/Sirefef.J virus is especially used by computer hackers to make money with the pay-per-click technique. It can hijack your default search results and provide some false links. To get rid of this Trojan infection, antivirus programs may not guarantee a complete removal. Thus, manual removal is a better choice for those whose computers are attacked by this WinNT/Sirefef.J virus. By manually deleting the associating items in the system, one can minimize the rates and chances that this Trojan virus may come back.

Note: Computer is still acting weirdly after the Trojan removal? Wondering an incomplete removal may be the reason? Contact Online PC Experts now if you have failed to remove this nasty Trojan:WinNT/Sirefef.J virus off your computer.

Published by Karen Lawrence & last updated on May 27, 2013 2:12 am

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