How to Remove Win64/Sirefef.AD Virus From Win 7, Vista or XP?

Since Trojan horse virus was born, it never stops its developing pace to derive various series and becomes more and more difficult to detect. Today, let’s learn something about another fierce Trojan horse virus, its name is Win64/Sirefef.AD.

Complete Insight of Win64 Sirefef AD

Win64/Sirefef.AD, the name of this tiny Trojan horse is as ordinary as other Trojan horses; however, its damage power is not tiny at all. It is detected by Microsoft Security Essentials (MSE) or NOD 32 ESET and can be everywhere when you open some advertisement pages or malicious websites. Hackers often hide this virus in some click icons such as files download buttons, play buttons and some irresistible pop-up windows. When you carelessly click these icons which are full of potential danger, it means that you make a condition for Win64/Sirefef.AD to access your PC, though your real intention is not for this satanic stuff. The intelligent crafty Trojan once access your PC, it can be unobservable in your computer and capriciously do anything as the prior designed goal of the program demands. As for this Trojan horse virus, its purpose is to hijack your internet search engine to redirect your homepages, bookmarks and even all the original configuration. Of course the ultimate aim is to bring lots of malicious and deceitful advertisements or rogue software or viral documents to damage your computers or swindle and ransom your money. After your PCs get infected by such Trojan, it will firstly change the registry entry to make sure it can start automatically when windows start. The further means of its activity is to get away from the Fire Wall or antivirus programs killing it. The most awful and destructive action of  Win64/Sirefef.AD is that it will start background downloading when it has its full swing without your notice and permission. The key point is that those downloaded files are all vicious programs, robber software and with useless even harmful information which can lead to your individual privacy revealed to evildoers that means you will suffer property loss and spiritual damages. For you and your computer’s sake, please remove it whenever you get infected buy such Trojan no matter in which way as soon as you can. But remember, antivirus may detect it but can never remove it completely.

To remove such virus easily and safely, you can contact YooCare online PC service for help here:

Key sentences to judge if your computer has been infected Trojan  Win64-Sirefef.AD Virus

A. Your computer is something not normal as usual such as running very slowly.

B. When you open the Task Manager, you can find some strange progress which you never found before.

C. Some of your computer functions are unavailable or some normal legal program can’t run or there are unusual conditions of them.

D. It always constantly happens that your system has errors somewhere.

E. Lately, your computer system will be totally destroyed.

Best Way to Remove Trojan: Win64/Sirefef.AD Virus & Manual Removal Step by Step?
Step 1: Press CTRL+ALT+DEL or CTRL+SHIFT+ESC. Open the Windows Task Manager.
If that didn’t work, try another way. Press the Start button and click on the Run option. This will start the Run tool. Type in taskmgr and press OK. This should start the Windows Task Manager

Step 2: Within the Windows Task Manager click on the Processes tab. Find the process by name. random.exe. Then scroll the list to find required process. Select it with your mouse or keyboard and click on the End Process button. This will kill the process.

Step 3: Delete malicious registry entries.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\random characters
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\random characters

Step 4?Remove malicious files of Trojan: Win64/Sirefef.AD Virus
C:\WINDOWS\assembly\GAC\Desktop.ini
C:\WINDOWS\system32\ping.exe

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

Based on various situations and computer skills, you can choose the following solutions fit for you.
1. Follow the steps we provide to manually remove the virus.
2. If you failed to remove Trojan: Win64/Sirefef.AD Virus Infection with the method above, please consult YooSecurity certified professionals to remove it completely. Live chat with professionals now