Cannot get rid of Trojan:Win32/Sirefef.AH completely? Why my antivirus removed it but it keeps coming back?

Trojan:Win32/Sirefef.AH is a nasty Trojan horse recently created by hackers, it is hateful the same as Trojan:Win32/Sirefef.AC. Trojan:Win32/Sirefef.AH is a highly dangerous Trojan that can access the corrupted PC system surreptitiously via social networks, doubtful websites, freeware, shareware, spam messages and other. Once installed on a PC, it can sneakily perform its malicious actions in the background. This Trojan is capable of slowing down your browser and clogging your computer with useless processes. Thus, it is not surprised that your computer is running slower and slower. Trojan:Win32/Sirefef.AH can come bundled with another Trojan called Trojan:Win32/Sirefef.AC. When they access your computer, numerous unexpected ads may come in front of you when you are working to make you annoyed. Just like other Trojans, this type of Trojan also can record logins and passwords you usually enter, and then transmit this information to an attacker via a remote server. It compromises your computer and puts your personal information and privacy as a high risk. Research has shown that Trojan:Win32/Sirefef.AH can’t be detected by any kinds of Antivirus programs. That’s why Microsoft security essentials always keeps popping up, showing you the virus but will not delete it completely. This virus needs and only can be removed manually so that it is completely kicked off from your computer. To give an all-around protection for the infected computer, it is highly recommended users to remove this pesky Trojan quickly.

What can i do if anti-virus application didn’t clean the virus?

Are you frustrating that your anti-virus catch a computer virus like this one Win32/sirefef.ah but can’t delete it?  It hides deep in your system, and it can hijack your computer. The computers are hijacked when they’re infected with a special kind of Trojan, called a botnet Trojan, which is designed specifically to allow remote control of a large mass of computers.

Trojan:Win32/Sirefef.AH is always bundled with Trojan:Win32/Sirefef.AC.  Two big problems that make users mad. When you are surfing online, playing games on facebook, watching movies or listening to musics on youtube, you are easily to be attacked by this trojan virus. If you did search online for more solutions to kill the virus, you might know that there is no a perfect antivirus program can handled it. AVG, Norton, Mcafee, Avast, MES, spybot won’t be able to help. Manual removal of Win32/Sirefef.AH is required. Before you take the action, you have better get in safe mode with networking.

To completely get rid of this virus, live chat with YooSecurity Support now, or you can follow the manual removal instructions below to get rid of this virus (for advanced computer users).

Guide to get in safe mode with networking:

Restart your computer. As your computer restarts but before Windows launches, tap “F8” key constantly. Use the arrow keys to highlight the “Safe Mode with Networking” option, and then press ENTER.

Removal Video Guide On How to Change Registry Entry

Virus Win32 Sirefef AH Removal Step-by-Step Instructions

1.The associated files of Trojan:Win32/Sirefef.AH to be deleted are listed below:

C:\WINDOWS\system32\ random letters.exe
%SYSTEMDRIVE%\*.*
C:\Documents and Settings\Lounge Lizard\My Documents\Downloads\7zip.exe (PUP.Adware.Installer)
C:\Documents and Settings\Lounge Lizard\My Documents\Downloads\7Zip_Setup.exe (Adware.IBryte)
C:\Documents and Settings\Default User\Start Menu\Programs\Startup\yxdyif.exe (Trojan.Agent)

2.The registry entries of Trojan:Win32/Sirefef.AH that need to be removed are listed as follows:

HKCU\Software\Microsoft\Windows\CurrentVersion\run\random.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings: “ProxyServer” = :0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win32/sirefef.ah

If you have spent several hours but no luck, please contact Computer Experts to remove the Win32 Sirefef.AH trojan.

Published by Matt Johnston & last updated on June 6, 2013 6:55 am

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