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Csrss.exe trojan. How to remove? (Uninstall guide)

removal by Jake Doevan - - | Type: Trojans

Csrss.exe trojan — the new cyber threat which disguises as a legitimate client runtime server process

Csrss.exe trojan image
Csrss.exe trojan is a hazardous cyber threat which disguises as a legitimate Microsoft process.

Csrss.exe Trojan is a malicious program designed to perform numerous malicious activities on user's computer. Keep in mind that there is an entirely LEGITIMATE Microsoft process running under the same name – csrss.exe. It is designed to manage graphical instruction sets under Windows OS. Thus, users are advised to check this executable file by scanning the system with reputable security software just to make sure that it is not infected with the trojan horse using the name of a legitimate system process.

Name Csrss.exe trojan
Type Trojan horse
Danger level High
Symptoms Disrupted PC's performance: computer might crash, some programs might take longer to load or fail to open at all
Distribution Unsafe software, malicious ads and links, spam
Potential dangers The loss of personal information, credentials. Can log keystrokes and open backdoors to other infections
Removal Do not try to uninstall Csrss.exe trojan by yourself. Employ a professional security tool, like Reimage

Majority of people don't know how to tell if Csrss.exe trojan is hiding on the system. Experts have warned our users that the legitimate Microsoft file should be located in C:\Windows\System32/ directory. In case you find a process running under the same name but in a different location, run a full system scan with a reliable antivirus software to check for malware.

The trojan horse is designed to enter the system secretly and hide its presence. As a result, it is tough to detect the infection. This malicious program can put you and your computer's security at risk by performing the following actions:

  • Mining cryptocurrency by using high amounts of CPU[1] power;
  • Recording keystrokes and mouse movements to obtain logins and passwords;
  • Providing remote access to the infected system for hackers and allowing them to install other hazardous software;

It is evident that if you fail to identify Csrss.exe Trojan virus, there is a substantial possibility that your credentials and other sensitive data might be leaked to malevolent people. Consequently, you may encounter enormous financial losses or even identity theft in the long-run.

Furthermore, you might notice because of the presence of Csrss.exe Trojan that your computer is acting weird and sluggish. The reason for that – malware's capability to exploit computer's resources to mine digital currency, including Bitcoin, Monero, ZCash, etc. In other terms, the system can be forced to function at high temperatures for excessive periods of time. This might result in system crashes, increased latency, and freezes. 

Csrss.exe trojan illustration
Csrss.exe trojan is programmed to steal sensitive information.

Therefore, we strongly advise you to check your computer for this Trojan horse and perform Csrss.exe Trojan removal if necessary. Be aware that this type of malicious programs are mainly programmed to hide deep inside the system and place their components all across the OS[2]

Likewise, you should not try to remove Csrss.exe Trojan manually. The best alternative would be to get help from a reputable antivirus which is designed to clean the system and maintain its security in the future. For that, we strongly recommend using Reimage as it is lightweight and easy-to-use.

Stay away from unreliable software download sources to protect your PC from Trojans

The primary way how malicious programs enter your system is unreliable websites which offer to install suspicious software. Usually, it is hard to determine whether the application is legitimate and people install unnecessary programs without close inspection. 

Criminals upload Trojan horses disguised as innocent software on peer-to-peer (P2P) file-sharing sites and benefit from novice computer users who fall into their trap. Likewise, it is essential to download and install applications only from authorized websites. 

Additionally, some online ads and hyperlinks are designed to execute bogus scripts which automatically install malicious programs. Thus, never click on any commercial content online and always use a professional security software for protection against malware.

You should delete Csrss.exe Trojan immediately after detection

If you noticed a suspicious process running on your system, be aware that it might be Csrss.exe Trojan which should be eliminated right away. You can check the location of the executable file to make sure that it is not potentially dangerous — safe file must be located in C:\Windows\System32/ directory.

Otherwise, you can remove Csrss.exe trojan by scanning your computer with a robust antivirus. It is crucial to pick the best one as Trojan horses have numerous additional components which must be eliminated entirely. This procedure requires professional security tools only.

Our top recommendations for Csrss.exe trojan removal are the following security applications: Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus, and Malwarebytes Anti Malware. Our experts have collaborated with BedyNet.ru[3] team to pick only the best options for our readers. Additionally, check the instructions below to learn how to prepare your system for virus elimination. 

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall Csrss.exe trojan. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
More information about this program can be found in Reimage review.
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To remove Csrss.exe trojan, follow these steps:

Remove Csrss.exe trojan using Safe Mode with Networking

Since Trojan infections can be hidden deep inside the system and impossible to locate manually, you should boot your computer into Safe Mode with Networking before you start the automatic Csrss.exe trojan removal.

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Csrss.exe trojan

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Csrss.exe trojan removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Csrss.exe trojan using System Restore

Another way to reboot the PC into Safe Mode with Command Prompt:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Csrss.exe trojan. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Csrss.exe trojan removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Csrss.exe trojan and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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