“I was so frightened last night when my antivirus report me that may computer had been infected with Trojan:Win32/Sirefef.FY, how could it be? I have never gotten any other virus infection before and I’m always cautious enough of my computer.” this is what Marry complain yesterday. Well, maybe if you has been stuck in such situation, here is what you need:

Definition of Trojan-Sirefef-FY:

Trojan.Sirefef.FY is a malicious Trojan horse that is designed by cyber criminals to visit your computer remotely and randomly without your permission. Its serious impact is pretty similar to Trojan:Win32/Sirefef.AB. You might be very curious at learning the reason why your PC is easily infected by such a hazardous Trojan. In fact, you suffer from such a Trojan horse easily when you visit malicious websites, open spam email attachments and download hazardous items. Once the PC threat is installed, it crashes your system eventually. The Trojan is associated with files missing, system vulnerability and other serious problems. It conceals in your system, processes and files deeply with extra threats such as malware and spyware. Besides, the Trojan horse steals your personal sensitive information and security so as to allow remote attackers to execute malicious actions randomly.

Adopting the usual method by making a backdoor program installed in your computer. It is bundled with Trojan.Sirefef.FY. This virus can easily gain the authority to have its full swing. When the problem first started? Well, it’s while users watching videos or listening to musics on line and a pop-up (appeared to be Windows) asking for them to choose a debugger. But then they got the virus downloaded onto their computers. None of them could get ride of this, Microsoft Security Essentials (MSE) keeps waring by telling you the virus has been deleted abut getting errors.  From Microsoft Security Essentials computer users keep getting a message that a threat has been detected and asking them to restart computer.They also have done this several times. The user Looked at details and it showed:  Trojan.Sirefef.FY as the threat.He/She selected Remove and Apply Action.  This did not seem to work. Malicious attacks against individual computers are more rare, but not unheard of, again, especially if the attacker has a grudge against the victim of the attack. Never be too mercy to remove it from your computer!


To make your computer green, Live Chat with YooSecurity Expert Now, or you can follow the manual removal guide below to get your problem fixed. (For advanced computer users)

Key sentences to judge if your computer has been infected Trojan-Sirefef-FY 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.Sirefef.FY 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

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\run\ Trojan.Sirefef.FY Virus

Step 4?Remove malicious files of Trojan Virus




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.Sirefef.FY Virus Infection with the method above, please consult YooSecurity certified professionals to remove it completely. Live chat with professionals now

Published by Tony Shepherd & last updated on November 14, 2012 11:43 am

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