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Danger level 7
Type: Browser Helper Object
Common infection symptoms:
  • Annoying Pop-up's
  • Connects to the internet without permission
  • Installs itself without permissions
  • Shows commercial adverts
  • Slow internet connection
  • Strange toolbar installed without Your permission


In times of computer malware prevalence users can never be sure of what they might encounter on the Internet. Trojan Merdirt.A is a new threat waiting to infect your computer. It is a malicious Browser Helper Object (BHO) which affects your browser functionality and can also interfere with certain process in your system. In order to avoid being infected by Trojan Merdirt.A you should take computer security measures into consideration.

A BHO is an Internet browser plug-in which provides it with additional functions. For example, there are BHO plug-ins which allow you to read .pdf format documents directly in your browser. The Trojan in question pretends to be a useful BHO and it can look trustworthy to an unsuspecting user. It usually arrives bundled with a free plug-in from the website Previously, it could be also encountered in other servers such as and, but now they no longer operate.

At the point it enters the system Trojan Merdirt.A. registers itself as a BHO which loads every time you start your browser. Now, at first glance the Trojan might look like a useful program, because it operates like a BHO, but such an assumption is deceptive. Trojan Merdirt.A is a malware created to steal information and harm your system. It can kill a process or run a program in your computer without you actually noticing it. Trojan Merdirt.A also extorts your data and sends it to its control centre. What is more, it can initiate a download of another malware infecting your computer even further.

Needless to say, that Trojan Merdirt.A is a malicious program you should be wary of. It can also go by another name – Trojan.Win32.Merdirt. If you suspect that you might have it, you can search this directory %AppData%LocalLowMicronoft for a file named redir.dll. The presence of this file means you have been infected with Trojan Merdirt.A and you might need a reliable security tool to get rid of the threat. Naturally, it is best to avoid infection altogether, and you can try it by enabling various security measures on your computer.

Trojans usually enter the computer system when you download files from an unknown source. Be wary of anything that is offered to you by someone or something you know nothing of. It is also strongly recommended that you avoid downloading pirated software, as it can carry Trojans as well. Not only does Trojan Merdirt.A leak important data from your hard drive, it can also assist other threats in entering your computer’s system. That is why, if you can\'t remove the Trojan manually, you should spare some of your time to improve your computer\'s security, which would save you the trouble of catching an annoying parasite like Trojan Merdirt.A.

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How to manually remove Trojan.Merdirt.A

Files associated with Trojan.Merdirt.A infection:


Trojan.Merdirt.A processes to kill:



  1. Mavis Dec 2, 2015

    Sweet, it works. As a child I had the demo of this game on my PC. I played it over and over, this bignrs back so much memories. I can't thank you enough for posting this.Did you create this yourself? I wonder who and how these patches are made.

  2. Ilkin Dec 2, 2015

    Zain September 7, 2010 at 6:39 pm Hey david it was very useful

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