How to Remove Csrss.exe Trojan

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

Csrss.exe stands for Client/Server Runtime Subsystem. It’s a legitimate process, essential for the Windows operating system. If you terminate it, you end up with The Blue Screen of Death. And, cyber criminals exploit that. They exploit the legitimacy of the actual process for their gain. The name is their disguise. They use it to stay under the radar, as they wreak havoc and make a mess. Understand this. You are NOT dealing with the trustworthy, reliable Csrss.exe. You’re stuck with a nasty Trojan, posing as that one. A sure way to spot the deception, is to check the location of the file. The legitimate one tends to always be on C:\Windows\System32. And, the impostor can be anywhere else. Also, a sure way to spot the fake, is by the consequences of its stay. Once the Trojan slithers its way in, you’re in for a horrendous experience. These infections don’t waste time. As soon as they invade, corruption ensues. You face a whirl of grievances and frustration. And, time only worsens your predicament. The longer the infection remains on your PC, the bigger the issues you face. Heed experts’ advice, and remove the cyber menace as soon as you get the opportunity. Don’t give it the chance to cause irrevocable damage. The faster it leaves your system, the better.

Remove Csrss.exe

How did I get infected with?

The Csrss.exe Trojan slithered into your PC, via trickery. It uses the old but gold methods to invade. That includes the usual antics. The tool can pretend to be a system or program update, like Java or Adobe Flash Player. Or, hide behind corrupted links, sites, torrents, or freeware. More often than not, it uses spam emails to invade. You get a message that seems to come from a legitimate source. Like, Amazon, or another well-known company. And, the email reads you have to click a link or download an attachment. If you do, you end up with the nasty threat. The Trojan preys on your naivety, haste, and distraction. Your carelessness eases its infiltration. So, don’t provide it. If it needs you to rush and throw caution to the wind, take your time and be thorough. Do your due diligence, and don’t leave your fate to chance. Vigilance helps you to keep an infection-free PC. Carelessness has the opposite outcome. Don’t forget that.

Why is this dangerous?

The Csrss.exe threat isn’t only a Trojan. It’s a cryptocurrency miner Trojan. That means, it exploits your resources for the gain of the cyber criminals behind it. They profit off of your miserable experience. Let’s elaborate. Once a miner Trojan settles on your system, be wary. It begins to utilize the power of your CPU/GPU to mine for digital currency. Like, Bitcoin or Monero. That continuous usage of your resources causes quite the damage to your system. The fact that the Trojan’s influences extend further, doesn’t help either. Apart from increasing CPU/GPU usage, it also eats up space. And, runs a variety of malicious processes, that further deteriorate your performance. It restricts or blocks Internet access. And, when you do manage to go online, you suffer frequent crashes and lagging. And, even if you’re able to endure that, you face a barrage of interference. You get redirected to a plethora of suspicious pages. And, bombarded with all manner of ads. Programs that used to work fine, may begin to crash. The Trojan is a nightmare companion. It doesn’t only mess with your system’s well-being. It also aims to steal your private data, and expose it. Yes, it has programming to spy on you. From the moment it invades, the tool tracks your online activities. It records everything you do, while browsing. Then, when it deems it has gathered enough information, it sends it. It hands it over to the cyber criminals that published it. Not people, you can trust with such sensitive data. Not people, you want to get access to your personal and financial details. Don’t let them get a hold of it. Protect yourself, and your PC. Delete the Csrss.exe Trojan ASAP. It’s the best course of action, you can take. Take it NOW!

Manual Csrss.exe Removal Instructions

The Csrss.exe 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 Csrss.exe 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 Csrss.exe related processes in the computer memory

STEP 2: Locate Csrss.exe startup location

STEP 3: Delete Csrss.exe traces from Chrome, Firefox and Internet Explorer

STEP 4: Undo the damage done by the virus

STEP 1: Track down Csrss.exe 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 Csrss.exe 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 Csrss.exe 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 Csrss.exe

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 Csrss.exe, 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 Csrss.exe 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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