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Unknown Trojan Removal Guide

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Unknown Trojan Description

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Unknown Trojan is the Trojan name that appears on fake error messages made by trojan makers to threaten and trick you into buying rogue anti-spyware applications like Files Secure.

You're not really infected with an 'Unknown Trojan', but, instead, you're infected with a Trojan that's found on fake video codecs. Most of the fake video codecs that are circulating on the Web are infected with a Trojan called Trojan.Zlob. If your computer displays an 'Unknown Trojan' error message similar to the example below, you may be infected with Trojan.Zlob. Do not click on the 'Unknown Trojan' error message and do not download any product it recommends.

Unknown Trojan error message:

System Error!

"Your computer was infected by an Unknown Trojan.
It's dangerous for your system (critical files can be lost)!
Click OK to download the antispyware program to clean your computer! (Recommended)"

Unknown Trojan

In the past, 'Unknown Trojan' was mentioned as a keylogger that can not be stopped by firewall, because the firewall sees it as a part of the web browser. Therefore, Unknown Trojan may pose a serious threat to your computer's privacy and security. Unknown Trojan may also change the homepage and monitor user's actions. The prime function is logging keystrokes, including passwords and bank accounts and sending them to hacker.

Unknown Trojan Automatic Detection (Recommended)

Is your PC infected with Unknown Trojan? To safely & quickly detect Unknown Trojan, we highly recommend you...

Download SpyHunter's Malware Scanner Download SpyHunter's Malware Scanner.

SpyHunter's free version is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter's malware removal tool to remove the malware threats.

Unknown Trojan Manual Removal Instructions

Backup Reminder: Always be sure to back up your PC before making any changes.

Step 1 : Use Windows Task Manager to Remove Unknown Trojan Processes

Remove the "Unknown Trojan" processes files:

Read more about How to kill Unknown Trojan Processes

Step 2 : Use Registry Editor to Remove Unknown Trojan Registry Values

Locate and delete "Unknown Trojan" registry entries:

Read more about How to Remove Unknown Trojan Registry Entries

Step 3 : Use Windows Command Prompt to Unregister Unknown Trojan DLL Files

Search and unregister "Unknown Trojan" DLL files:

Read more about How to Remove Unknown Trojan DLL Files

Step 4 : Detect and Delete Other Unknown Trojan Files

Remove the "Unknown Trojan" processes files:

Read more about How to Delete Harmful Files

Unknown Trojan Screenshots


View Unknown Trojan screenshots below and see for yourself how Unknown Trojan looks like. Learn how to recognize Unknown Trojan when it infects your machine.

(click on Unknown Trojan image to enlarge)

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Publication Date

Tue Mar 28 2006 12:19:23 EDT

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User Comments


Username:  Stanley    Date Posted:  2008-02-20 15:25:32   
Comment:
I have the same pop-up as the one in the beginning, the message saying "your computer was infected by unknown trojan," does this trojan log your keystrokes as well as fooling you into buying their software? I want to know, because I dont want to endanger my private information.

Username:  ghostrider01    Date Posted:  2008-02-21 13:45:23   
Comment:

Stanley, 

Most likely, if you don't have any other parasites on your computer like keyloggers, Unknown trojan won't steal your sensitive information. But it will try to pursuade you to purchase rogue software.


Username:  KP    Date Posted:  2008-03-16 09:42:25   
Comment:

i opening internet explorer i see that message " your computer infected unknown trojen, every site i opeining that message is coming. i click cancel site will open what can i do for not see that message future. can i delete that message anyway plz give information , thanks


Username:  D M    Date Posted:  2008-03-30 22:50:45   
Comment:

Greetings. I am a computer tech and I appreciate your posting of this fake error message. I will now add your program to my list of cleaners. One of the computers I am working on for a client has this exact infection message. I have used Spybot Search & Destroy, Ad Aware, Avast Anti Virus, Hijack This, and XoftSpySE to clean the machine and still this @%$#(%% unknown trojan problem remained. The above programs are all excellent cleaners I regularly use, but this problem just happened to be a bit unique. Thanks again and I hope this helps someone else in the same situation.



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Remove Unknown Trojan