Get troubles in deleting Trojan:Win64/Sirefef.AK from computer? Is your computer infected with the Trojan and you cannot delete it with your own efforts? All your trials turn out to be in vane after a restart? Keep getting the alert of infection of this Trojan? How to remove it completely?

Description on Trojan:Win64/Sirefef.AK

Trojan:Win64/Sirefef.AK can be recognized from its name. It is obviously a Trojan virus whose infection would be a quite dangerous thing to the infected computer. This Trojan was enabled to find out the vulnerable parts of a computer and make them worse and possible for other kinds of viruses online or from other external removable devices to get into the give-in computers. It creates plenty of copies of itself and will cause chaos in your system because it takes time for the system to recognize the right files of your computer or the programs from the virus. As a result, many of the normal programs cannot run correctly and your computer is stuck all the time out of nowhere.

This is general consequence of the Trojan infection. The worse is that Trojan:Win64/Sirefef.AK is able to access your histories. Though nowadays many programs claim that their histories are encrypted and your personal files are safe in fact your privacy is not safe because the encryption is for human beings not for a virus. The updated virus can analyze the cookies or other files in your system and finds out the information in them. Since all the above reasons, your email information as well as other accounts info of some websites online is not safe. You may find that your mailbox will receive more junk mails or ads mails than before. And your contacts may receive mails from you but you never send them. That is because the virus is doing its own activities inside your computer. And Trojan:Win64/Sirefef.AK makes it accessible for online virus to get into your computer. Your whole system is surrounded with quite amount of viruses which is incredibly dangerous.

Some Obvious Symptoms of Infection with Trojan Virus

1. Getting warnings of infection from anti-virus programs
2. Computer running rather slowly than before
3. Unauthorized remote connection occurring
5. Internet speed works as a snail;
6. Questionable pop-ups telling you that your computer is in danger
7. Booting or rebooting before login tend to have problems and etc.

How to Remove the Trojan Virus Manually

Up till now, there is not a perfect antivirus that can detect this pesky Trojan virus or delete it completely. It has been updated by remote and backstage cyber criminals and is able to escape from the scan of any anti-virus programs thus it is hard to be removed or even found. The most effective way is to remove it manually. The following instructions need quite level of computer expertise. If you don’t know how to that correctly, please contact with YooSecurity online support now!

Please follow these steps to get rid of this Trojan virus manually:

Step A: Press CTRL+ALT+DEL or CTRL+SHIFT+ESC(this operation varies by different operating systems). Open the Windows Task Manager.
If that didn’t work, try another way by pressing the Start button and click on the Run option. This will start the Run tool. Type taskmgr in the box and press OK. This is going to start the Windows Task Manager for you.

Step B: In the window of Task Manager, click on Processes tab. Find the process by the name of random.exe. Then scroll the list to find required processes. Select it with your mouse or arrow keys on the keyboard and click on End Process button. The process will be killed in this way.

Step C: Go to Folder Options from Control Panel. Under View tab, select Show hidden files and folders and uncheck Hide protected operating system files (Recommended), and then click OK. Remember to back up essential files beforehand.

Step D: Press Windows+ R keys and type regedit in Run window. Delete associated files and registry entries related to the virus as follows (The entries may differ from different computers but they are all named randomly as a common character):
%AllUsersProfile%\Application Data\~
%AllUsersProfile%\Application Data\~r
%AllUsersProfile%\Application Data\.dll
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Download “CheckExeSignatures” = ‘no’
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main “Use FormSuggest” = ‘yes’
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced “Hidden” = ’0′
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced “ShowSuperHidden” = 0′
Step E: Reboot the computer normally to take effective when the above steps are done.

This Video Shows You How to Safely Modify Windows Registry Editor :

Conclusion :

When your computer is unfortunately infected with this Trojan:Win64/Sirefef.AK it is not strange that your computer will be slowed down and not all your programs respond you. Many of them will give you no response often. And errors will occur when you restart your computer or log in users. Desktop is not as usual as before because some unknown icons will be listed there sometimes. If you want your own information to be safe from being stolen by remote cyber criminals you need to remove the virus as soon as possible.
Kindly Reminder: If you fail to remove the stubborn Trojan virus with the methods you find from the internet, please consult YooSecurity certified professionals to remove it completely. For all the above operations need computer expertise and any wrong operation may lead to damage of your vulnerable computer system.

Published by Michael Myn & last updated on August 10, 2013 6:07 am

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