Remove Win32:sirefef-aoo virus step by step

Is your computer infected with the Win32: sirefef-aoo virus? Still have no idea how to delete it? Is there any way to get rid of it? Don’t worry, this post shows the information about this virus and the process to remove it completely and safely.

What is Win32:sirefef-aoo?

Win32:sirefef-aoo is a current malware virus from the notorious Sirefef virus family, which can terminate program running on the infected computer. This vicious Trojan is extremely difficult to remove via a normal anti-virus. Once it infects your computer, it will be designed as a root-kit permeating into your computer to make huge damage until your computer is destroyed. In the first place, it will copy itself to the start up code in order to run itself whenever you logon your Windows based system. What’s worse, it will fill up the hard disk space with unwanted malicious items and consume a lot of CPU memory. Thus, your computer will run extremely slow. This nasty Trojan even contains key loggers which can be used to steal sensitive data like passwords, credit card, bank account information and so on.

All in all, you have to remove it as soon as possible. Otherwise, Win32:sirefef-aoo will automatically download other malware without your confirmation in order to corrupt your system and ransomware like Australian Federal Police Ukash virus. And it creates backdoor for intended hackers who will be able to control your computer and steal your important information such as private data and banking details. It is really a disaster for all the compromised PC that should be removed timely.

Win32:sirefef-aoo is extremely dangerous. It can perform the following evil actions once it accesses a target computer:

It will change your registry settings and other important windows system files.

It can slow down your system and mess up your browser gradually.

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

It is capable of downloading other malicious programs, creating a backdoor in your PC security and creating advertisements.

How To Manually Remove This Nasty Trojan Virus?

Step 1: Open Task Manager and end the malicious processes related to this virus

Use the following key combination: press CTRL+ALT+DEL or CTRL+SHIFT+ESC to open the Windows Task Manager.
Select “Processes” tab on the Windows Task Manager in order to view active processes. Find a malicious process by its name, select it and click the “End process” button to terminate it.

(Note: The name of the infected process can change randomly so that it can pretend as a legitimate process and escape from the detection of your antivirus programs. If you cannot figure out which one is the malicious process related to the virus, you can contact YooCare Online Expert for help.)

Step2. a. Show all the hidden files and then clear infected files creating by this pesky virus:

To show hidden files, just click on the Organize button in any folder, and then select “Folder and Search Options” from the menu.

Click the View tab, and then you should select “Show hidden files and folders” in the list.

Just select that, and click OK.

b. Delete the associated files of this threat as follow:

%AppData%\Random.exe
%temp%

Step3. Delete all the malicious registry entries in Registry Editor

Click the Start menu
Click Run
Type “regedit” and click Ok.

Once the Registry Editor is opened, find out the following registry entries and then delete them:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegedit” = 0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run\Random.exe

Video Shows You How to Safely Modify Windows Registry Editor:

Trojan:Win32/Sirefef-aoo is a malicious spyware virus which uses malignant tricks to download malicious malware from the Internet. It will interrupt you with annoying pop-up ads for adult or other objectionable web sites. Generally speaking, it infiltrates your computer sneakingly with the use of security exploits beyond your approval. Once access, it can control programs that may run on the affected computer and it will not allow security programs to initiate. Trojan:Win32/Sirefef-aoo even has the ability to redirect the user to unwanted websites while it blocks them from accessing legitimate websites. Therefore, it is suggested users to remove this pesky virus as soon as possible.

Special Tips: It is strongly recommended to remove this virus manually with expertise, because any mistake due to lacking of computer knowledge could lead to more damages till system goes crash down. And if you still cannot successfully get rid of this virus by the above instructions, please contact YooCare 24/7 Online Expert now for a fast and professional help.

Published by & last updated on June 8, 2013 5:43 pm