Nymaim Malware Removal

This article can help you to remove Nymaim Virus. The step by step removal works for every version of Microsoft Windows.

Nymaim is a nasty Trojan horse. This parasite is well-known in the cyber world. The Trojan has a long history and was, in fact, one of the first Trojans to distribute ransomware. The new version of the Trojan is as deadly as the previous ones. This parasite slithers into your computer undetected and disables your anti-virus app. It modifies your System Registry and corrupts essential for your OS files and processes. It is quite a challenge to detect and remove this infection. If you know that your PC harbors this parasite, take advantage of this knowledge and remove the infection. Nymaim may cause serious problems. This Trojan is designed to spy on its victims. It knows your system properties and what you do online. It can even record your keystrokes. The Trojan knows everything. This parasite can steal your usernames, passwords and, if you are extremely unlucky, personally identifiable information. The more time it spends on your computer, the more information will it record. It is essential to remove the Trojan immediately. We have provided a manual removal guide below this article. However, bear in mind that this Trojan is quite sophisticated. Its removal requires a bit more advanced computer skills. If you are not confident in yours, use an automated solution. This is the safest way to deal with Nymaim. So, don’t waste your time. Choose a removal method and act!

remove Nymaim

How did I get infected with?

Nymaim Trojan is distributed via spam emails. The crooks write on behalf of well-known companies. They play with your curiosity and negligence. The malicious emails contain corrupted hyperlinks and attachments. If you either follow the links or open the attached documents, the results will be the same – your PC getting infected. Your caution can prevent this technique from succeeding. When you receive a message from a company, post office, police department, bank, etc., go to the organization’s official website. Compare the email addresses listed there with the one you have received a message from. If they don’t match, delete the pretender immediately. Also, when you open a letter, don’t let your guard down. Opt for red flags. A reliable company would use your real name to address you. Thus, if you receive a message starting with “Dear customer” or “Dear Friend,” proceed with caution. Unfortunately, we have another bad news. This virus is also distributed via drive-by downloads. The only thing you can do to prevent this method from succeeding is to stay away from questionable websites and to update your trustworthy anti-virus app regularly.

Why is this dangerous?

Nymaim Trojan is very dangerous. It is a backdoor to your computer. The hackers can command it to install other viruses and malware. They can also use it to spy on you. The possible outcomes are numerous. What will happen to your machine depends on the hackers and what they want. These people don’t need your consent. Their Trojan has admin privileges and can do anything on your computer. They can turn your device into a part of a botnet or into a coin miner. They may also wait for Nymaim to collect personally identifiable information, your credit card details or your online banking credentials. Do not use your infected computer to enter sensitive information. The Trojan can record your keystrokes. It can steal your usernames, passwords, email addresses, everything. If all else fails, the hackers may command Nymaim to infect your PC with ransomware. These people target your wallet. One way or another, they will blackmail you. Spare yourself future troubles, remove the Trojan now! The sooner it’s gone, the better!

Manual Nymaim Removal Instructions

The Nymaim infection is specifically designed to make money to its creators one way or another. The specialists from various antivirus companies like Bitdefender, Kaspersky, Norton, Avast, ESET, etc. advise that there is no harmless virus.

If you perform exactly the steps below you should be able to remove the Nymaim infection. Please, follow the procedures in the exact order. Please, consider to print this guide or have another computer at your disposal. You will NOT need any USB sticks or CDs.

STEP 1: Track down Nymaim related processes in the computer memory

STEP 2: Locate Nymaim startup location

STEP 3: Delete Nymaim traces from Chrome, Firefox and Internet Explorer

STEP 4: Undo the damage done by the virus

STEP 1: Track down Nymaim related processes in the computer memory

  • Open your Task Manager by pressing CTRL+SHIFT+ESC keys simultaneously
  • Carefully review all processes and stop the suspicious ones.


  • Write down the file location for later reference.

Step 2: Locate Nymaim startup location

Reveal Hidden Files

  • Open any folder
  • Click on “Organize” button
  • Choose “Folder and Search Options”
  • Select the “View” tab
  • Select “Show hidden files and folders” option
  • Uncheck “Hide protected operating system files”
  • Click “Apply” and “OK” button

Clean Nymaim virus from the windows registry

  • Once the operating system loads press simultaneously the Windows Logo Button and the R key.


  • A dialog box should open. Type “Regedit”


Depending on your OS (x86 or x64) navigate to:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or

  • and delete the display Name: [RANDOM]

delete backgroundcontainer

  • Then open your explorer and navigate to: %appdata% folder and delete the malicious executable.

Clean your HOSTS file to avoid unwanted browser redirection

Navigate to %windir%/system32/Drivers/etc/host

If you are hacked, there will be foreign IPs addresses connected to you at the bottom. Take a look below:


Step 4: Undo the possible damage done by Nymaim

This particular Virus may alter your DNS settings.

Attention! this can break your internet connection. Before you change your DNS settings to use Google Public DNS for Nymaim, be sure to write down the current server addresses on a piece of paper.

To fix the damage done by the virus you need to do the following.

  • Click the Windows Start button to open the Start Menu, type control panel in the search box and select Control Panel in the results displayed above.
  • go to Network and Internet
  • then Network and Sharing Center
  • then Change Adapter Settings
  • Right-click on your active internet connection and click properties. Under the Networking tab, find Internet Protocol Version 4 (TCP/IPv4). Left click on it and then click on properties. Both options should be automatic! By default it should be set to “Obtain an IP address automatically” and the second one to “Obtain DNS server address automatically!” If they are not just change them, however if you are part of a domain network you should contact your Domain Administrator to set these settings, otherwise the internet connection will break!!!


  • Check your scheduled tasks to make sure the virus will not download itself again.

How to Permanently Remove Nymaim Virus (automatic) Removal Guide

Please, have in mind that once you are infected with a single virus, it compromises your whole system or network and let all doors wide open for many other infections. To make sure manual removal is successful, we recommend to use a free scanner of any professional antimalware program to identify possible virus leftovers or temporary files.

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