Hey, could you please help me solve this pop-up computer alert? I’m not sure if my compute is compromised with some threats, but this system defender always asks me to install this Antivirus Defender 2015 to remove all threats. It claimed this antivirus software is genuine antivirus program. But even though after I click to install it, it still pops up and reports me computer is at risk!! That is fake antivirus which has messed up the system a lot. Please help me uninstall it now.

Brief Introduction to Antivirus Defender 2015

Antivirus Defender 2015 is a fake antivirus software which attacks more and more windows computer worldwide.  This rogue anti-spyware may convince PC users into believing that it’s reliable, because it has an official look as most common security software have. When it drops on targeted computer, it will insert some extension into start-up item first and then configure to run as soon as computer launches. Then it runs a scanning and tells you that your computer is at risk and recommends you to install Antivirus Defender 2015 to remove all threats. However, when you click to install, it may ask you to pay for this fake software.  Even though it doesn’t ask for money, it is still a kind of threat to computer security once you install it into computer.  This fake antivirus display fake computer security message to scare you and convince you into believing your computer is at risk and compromised with many threats which need to be removed at once. But actually, your computer is clean and may not be infected with viruses at all. What it does just wants to let you scare and trust to purchase another fake antivirus program. However, when you install another new version of it, it’s still a threat to computer, which cannot protect computer from being infected with infections; instead it will create more and further damages to targeted computer.

Antivirus Defender 2015 definitely brings many damages and problems to your infected computer if you cannot remove it timely. This fake antivirus program can be treated as a kind of virus to attack computer system. Every time when it automatically runs a full scanning, it just takes this chance to detect or create more loopholes and insert its executable extension or file into another place of system. In this way, it can stand firmly into system and cannot be removed by the genuine antivirus program. To the contrary, Antivirus Defender 2015 may damage or disable some important files of the real antivirus so that some real antivirus will run in a malfunctioned way. Your real antivirus program may lose the ability to block threats to enter computer. If so, your computer may be in a more dangerous situation.  If computer is infected with more threats, computer will run suddenly slower than usually. Some important windows system files or programs will be compromised severely and run improperly. You cannot run some program or it may not be in the original location. If you load more programs at the same time, computer may get stuck or crash down immediately. If you check the CPU usage, you will find it is up to 100%. That means your computer system loads to many progresses and many junk files have been created in system. As time goes on, those threats may damage troubleshooting mode, which means computer has been infected severely and hard to fix. Therefore, if you find this Antivirus Defender 2015 running on your computer, please delete it as soon as possible.

A Screenshot of This Antivirus Defender 2015 Infection (Fake Antivirus Alert)

system defender

Properties of the Fake Anti-virus Spyware

-Always pops up once you boot up your computer or run a program, claiming your computer is in great risk

-Asking you to purchase a code to activate this software, so that it can help you to remove the threats in your computer

-Can modify the computer registry once it is installed into the computer

-Can prohibit legit program to run, including your anti-virus programs

-Can occupy a great usage of CPU, which slows down the performance of computer or even causes blue screen

Finding all or some of these symptoms on your computer, sorry to say that your computer is infected by Antivirus Defender 2015 virus. Please contact YooSecurity Online PC Experts for manual removal guide. Also, we will provide a short removal guide below for computer literate.

Manual Removal Guide of Fake Anti-virus Program (For Computer Literate)

There is a removal guide provided here; however, expertise is required during the process of removal, please make sure you are capable to do it by yourself.

Step 1: Try to access the Safe mode with Networking.

In order to get into this mode, you should restart your infected computer and tap F8 key constantly when computer is booting back up to get safe mode options on the screen, use arrow keys to highlight the option you want to enter then press E/Enter key. * Usually, this rogue program will be disabled from automatically starting in safe modes. Users will be able to fix the Antivirus Defender 2015 problem without constantly blocks from the fake AV. If you are a Windows 8 user, click here and learn how to boot up Windows 8 to safe mode.


For those computer which are XP operating systems, you will need to you choose your XP system after you choose safe mode with networking, you can press Enter directly without choosing any thing.

safe mode system choose

After loading files, you need to log in your account to get the safe mode with networking, for XP users, please choose Yes when you see the dialog.


Step 2: Find Ctrl, Alt, and Delete these 3 keys and then press them together to open task manager to end the process related to Antivirus Defender 2015, the name of the process of it is random.

XP task manager

Step 3:Click on Start button at the right lower corner, then click on Control Panel, then you will come to the Control Panel windows, click on Add and Remove Programs.


Then try to find Antivirus Defender 2015, highlight it and choose Remove.


Step 4: Click on Start button or press Win+R, then type regedit in the box to open Registry Editor, after that, try to find
C:\Users\profile name here\AppData\

Video Guide on How to Remove Rogue Program:

YouTube Video Removal Guide:


Once Antivirus Defender 2015 virus is installed to your computer it will be configured to run automatically along with the operating system, and each time when you start up your computer it will pretend to be computer internet security software to run and display fake security state of your computer to scare you. It aims at cheating out of your money by recommending you to purchase its fake full version. This fake antivirus also performs destructive activities on your computer. It damages the main system files to make it be able to pop up even under troubleshooting mode such as safe mode and safe mode with networking. It damages some fatal system to slow down computer performance. What you should do promptly is to remove fake Antivirus Defender 2015 and install a real reputable antivirus program to protect your computer instead of a fake one.

Suggestion: To follow removal guide that mentioned above, a quite level of computer knowledge is needed. Still can’t get out of Antivirus Defender 2015 virus? Contact online experts for help now!

Published by Tony Shepherd & last updated on February 7, 2015 3:25 am

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