How to Remove Trojan horse Agent4.ASEF

The antivirus program in your computer detects a high-risk threat called Trojan horse Agent4.ASEF, but cannot remove it completely? Are you looking for an effective way to remove this Trojan thoroughly? How can it enter into the computer and you know nothing? Have no idea of how to get rid of it? Please read this post to acquire more detailed information.

Trojan horse Agent4.ASEF Instruction:

Trojan horse Agent4.ASEF is a dangerous Trojan virus designed by cyber criminals which can escape from the removal of antivirus programs and cause destruction to the infected computer. If you visit some malicious websites or click on unknown links, download or install some freeware from hacked sources and open spam email attachments, your computer will be easily infected with it. Thus, please pay more attention on the online activities.

Once Trojan horse Agent4.ASEF enters into your computer system, it is able to take several malicious actions. It can implant its codes into the system and even change important system settings, which allows it to activate automatically every time you turn on the computer and start to perform malicious tasks immediately. It also slows down the performance of the computer. It is annoying that you need to spend a much longer time in starting the computer, running programs and visiting websites. What is more terrible, this Trojan aims to steal your personal information including bank account or credit card details and social numbers and send them back to the developers. It is highly recommended to remove this Trojan as quickly as possible.

This Trojan is tricky. No antivirus can deal with it completely for it can mutate fast and generate infected files in random location of the infected computer system. You may be at a loss about what to do when the antivirus program does not work. Manual removal is the best choice to get rid of it.

The following instructions require certain levels of computer skills. If you’re not sure and are afraid of making any critical mistakes during the process, please live chat with YooCare Expert now.

Manual Removal Guides:

Trojan horse Agent4.ASEF is a malicious Trojan virus which can install itself into the computer system without your consent and awareness. It makes your computer work slowly and implants other nasty infections into the computer. To make things worse, this Trojan is a tool for the hacker to invade the infected computer to steal your information. It is recommended to remove it as quickly as possible. Users can follow the manual guide here to have this virus removed instantly.

1. Show hidden files

(1). Click on the Start button and then on Control Panel

(2). Click on the Appearance and Personalization link

(3). Click on the Folder Options link

(4). Click on the View tab in the Folder Options window

(5). Choose the Show hidden files, folders, and drives under the Hidden files and folders category

(6). Click OK at the bottom of the Folder Options window.

2. Delete virus files

(1). Delete the related registry entries through Registry Edit

Guides to open registry editor: Click “Start” menu, hit “Run”, then type “regedit”, click “OK”

While the Registry Editor is open, search and delete the following registry entries listed below:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run ‘Random’

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” =Random


(2). Find out and remove the associated files of this Trojan virus.



%AllUsersProfile%\Application Data\~random

%AllUsersProfile%\Application Data\.dll HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Random “.exe”

Video Shows You How to Safely Modify Windows Registry Editor:

In summary, Trojan horse Agent4.ASEF is a malicious Trojan infection which is able to change system settings and destroy important system files. It can mess up the infected computer seriously and even cause complete system crash. Once your computer gets infected with it, cyber criminals can monitor your computer using traces in the backdoor. You cannot use the computer safely with this Trojan in. In order to protect your computer and your privacy, we strongly recommend you to remove it as early as possible.

If you have no idea of how to do that, please contact experts from YooCare Online Tech Support for further help.

Published by on June 23, 2013 10:28 am, last updated on June 23, 2013 10:28 am

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