AVG Anti-virus says my laptop is infected with the Trojan Horse Agent4.AQLZ virus when i was on Facebook in Windows 8, and I have no idea how to get rid of it completely because it keeps coming back after removal. It really frustrated me because since my computer was infected, I have detected many things working weird. How to clean out this detection?

Infected With Trojan Horse Agent4.AQLZ – How to Remove?

The Trojan Horse Agent4.AQLZ virus is a malicious attack that computer hackers have designed with one goal in mind, and that is to gain access to as many computers as possible and steal personal and financial information to be used to commit fraud and sell on the black market to other cyber criminal groups. Like Trojan Horse PSW.OnlineGames4.ALGT, this is a very dangerous virus, and a perfect example of why every computer should be equipped with updated anti-virus software that is set to run every time the computer is turned on. While some users may consider that extreme, it is important to make sure that the computers are protected.

Once the Trojan Horse Agent4.AQLZ virus is installed on the computer it begins to alter the system settings. It disables some programs while burying itself deeper into the root directory, making it harder to find. It then has the ability to grant access remotely to the hackers and allow them to search through all of the files and directories on the computer. The look for anything that they can use to commit identity theft and bank theft. Think about all of the information that is stored on a computer. Personal data and financial data. A hacker could easily find contact information and then if the user happened to have tax return documents stored on the PC they could then have the social security number and other personal identification information, which would be all they needed to open up credit cards in the users name and commit other financial fraud.

While the hackers are searching through the computer the Trojan Horse Agent4.AQLZ virus will begin to attract and install additional Trojan’s and Worms. One of the biggest indicators that something is wrong is the slowing down of regular options on the computer, and this is due to the available memory on the computer being used up by these additional viruses. If nothing is done these malicious attacks will use up all of the system memory and it can lead to a complete computer crash. If that happens there is a chance that all of the data and files will be lost unless is it backed up on an outside platform. Hence, you must get it off of your computer ASAP.

Note: Cannot delete Trojan Horse Agent4 by virus removal tools? Contact YooSecurity Online PC Experts now for removal assistance if you are not familiar with any virus removing process.

Screenshot of Trojan Horse Agent4

Trojan Horse Agent4.AQLZ

What If You Can’t Clean Out The Trojan Horse Completely?

Some of the signs that the Trojan Horse Agent4.AQLZ has made its way into the computer include:

  • Regular tasks like opening and closing applications and programs will become noticeably slower with major delays. One thing to pay close attention to is the startup and shut down speed. If those are much slower than normal then there is a very good chance that there is a Trojan present on the computer.
  • Some programs will not even open and warning messages will be displayed instead, warning the user that they are not available. As the Trojan does more damage the warning and error messages will become much more frequent.
  • If the Trojan Horse Agent4.AQLZ virus isn’t detected and left to continue its damage it will eventually use up all of the available memory and cause the entire computer to crash. This will destroy all of the data and files on the computer. There is a very good chance that the hard drive will not be able to be recovered after. This is why it is so important to keep a backup on a cloud server or on an external hard drive to make sure that you never lose valuable information and files in the event of an attack.

Manual Removal Step by Step Guide

Step A: Open Windows Task Manager to end process related to the domain. To do that, press Ctrl+Alt+Del keys at the same time to pull up Window Task Manager.

Step B: Open Control Panel from Start menu and search for Folder Options. Go to Folder Options window, under View tab, tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK.

Step C: Press Windows+R keys to pull up Run box and type in regedit to open Registry Editor.

Step D: Delete all these associating files and registry entries of Trojan Horse Agent4.AQLZ Virus in Registry Editor as below:

%AllUsersProfile%\Programs\{random letters}\
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegedit” = “”.exe.dll

Similar Video On How to Remove The Trojan Virus:


Trojan Horse Agent4.AQLZ is able to corrupt system files and computer settings, change desktop background and also redirect you to unfamiliar websites. The only way to remove the Trojan Horse Agent4.AQLZ virus is to delete all of the files by hand. The instructions above show detailed step-by-step instructions to follow that will remove this dangerous Trojan and the other malicious files that it installed. While it may take some time, doing it the right way will ensure that all of the dangerous files have been deleted. But if you are freaking out with the Trojan Agent4 virus, please consult with professionals who can save your computer safely.

Note: Still stuck with this Virus? To avoid making things worse, Please contact YooSecurity 24/7 Online Experts now to fix the issue permanently.

Published by Tony Shepherd & last updated on May 27, 2013 5:32 am

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