Trojan Horse Agent4.AFSZ Manual Removal Guide

Since computer runs slowly and performs weirdly, you use the antivirus program in your computer to scan the whole system and then you see Trojan Horse Agent4.AFSZ on the scan report. What is it? How can it get into your computer? How to remove it when the antivirus program fails to help? Please read this post for more detailed information.

Trojan Horse Agent4.AFSZ Instruction:

Trojan Horse Agent4.AFSZ is a dangerous backdoor Trojan virus which can damage the infected computer and steal user’s sensitive information. This virus is spreading by spam email attachments, malicious websites or unknown links and some “free” programs from unsafe resources. Computers with Windows operating systems worldwide are able to be infected with it for its developers release it globally. It can infiltrate into your computer without your awareness if you accidentally activate it.
Once installing successfully, Trojan Horse Agent4.AFSZ will start to perform some malicious actions in the infected computer immediately. It can exploit system vulnerability, which slows down the computer considerably. It is very annoying to spend a long long time on performing any task on the computer. In addition, this Trojan may implant some other malware or malicious spyware in your computer leaving the computer in an extremely dangerous condition. More seriously, it enables the cyber criminals to access your computer by opening a backdoor. Your online traces and other important information will be collected but you have no awareness of that. To protect your computer and your privacy, we suggest you to remove it as soon as possible.

This Trojan modifies important system files and registry entries to consolidate its existence. Therefore, legitimate antivirus programs always fail to remove it and even could be disabled by it. The best way to get rid of it completely is manual removal. Please note that manual removal is a cumbersome procedure and any wrong operation will lead to mistakes damaging your system seriously.

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:

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 to this Trojan virus 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_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\

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


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


%AllUsersProfile%\Application Data\~

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

Video Shows You How to Safely Modify Windows Registry Editor:

In a word, Trojan Horse Agent4.AFSZ is a high-risk Trojan virus that will cause destruction to the infected computer. If you accidentally visit malicious websites or run unsafe software and spam email attachments, your computer will be easily attacked by it. It facilitates cyber criminals who designed the Trojan to collect your important information including bank account or credit card details and social contact numbers. Please remove this high-risk threat as quickly 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 March 1, 2013 9:43 am, last updated on March 1, 2013 9:43 am

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