How to Get Rid of Csrss.exe Trojan

Is Csrss.exe trojan harmful to your system? Yes, but Csrss.exe is not always a trojan. Csrss.exe refers to a secure Microsoft procedure, which one requires to assist in managing the most graphical instruction groups within the Windows OS.

The file is usually found in the folder ‘C:\Windows\System32\‘. The executable file of Csrss.exe MS Windows is named ‘Client Runtime Server Process.’

Csrss.exe trojan

Csrss.exe is often employed as a typical system procedure. That’s why malware employs the process name of Csrss.exe for disguising itself. As stated above, you will find the original file of Csrss.exe within the folder ‘C:\Windows\System32\’. So, if you come across any other file with the name Csrss.exe in other folders, it is a Csrss.exe trojan.

Many virus hoaxes promise that a Csrss.exe trojan exists, and you should remove this file to prevent damage to your system. However, all these claims are false. Do not remove Csrss.exe or kill the process of Csrss.exe because this will result in the Blue Screen of Death.

Additionally, technical support tricksters pretend to be representatives from Microsoft, who is famous for using Csrss.exe as evidence of a trojan infection. They convince users to be tricked into buying rogue security tools for removing the Csrss.exe trojan.

How Does Csrss.exe Trojan Function?

Because of the generic behavior of this trojan, the installation methods may vary. The infections related to Csrss.exe often install themselves by replicating the executable to Windows or Windows system folders.

After that, they change the registry for running Csrss.exe trojan at every system start.

Most of the time, Csrss.exe modifies the subkey

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run” 

for accomplishing this task.

By the way, here are the top solutions to fix the atibtmon.exe runtime error on Windows 10.

If the system is infected with Csrss.exe trojan, then this infection might contact a host remotely for several purposes as follows:

  • Reporting a novel infection to the author
  • Receiving other data and configuration
  • Downloading and executing arbitrary files like additional malware or updates
  • Receiving instructions from attackers remotely
  • Uploading data received from the infected computer

PS: let’s learn more about removing AcroTray from the startup menu.

How to Check Whether Csrss.exe is Harmful or Not

Within the Task Manager, Csrss.exe refers to a common process. That’s why sometimes malware programs mask themselves to run under the name of the Csrss.exe process.

At other times, malware programs might run or inject their services into the running process of Csrss.exe. In both cases, this masking process could make detecting and removing these malicious programs tough.

The simplest method to check whether your system is infected with the Csrss.exe trojan running under the name “Csrss.exe” is to access the Windows Task Manager.

Press the tabs ‘Ctrl’ + ‘Alt’ + ‘Del’ simultaneously on the keyboard to open it. After that, right-tap on “Csrss.exe” that you suspect a Csrss.exe trojan. Next, select the Open File Location option.

How to Check Whether Csrss.exe is Harmful or Not

The original Csrss.exe file will be in the folder ‘C:\Windows\System32\‘. If you come across this extension in any other folder, that file can be called malware.

If you are uncertain about whether the file is malware or not, it is recommended to submit that file to https://www.virustotal.com/gui/ for scanning through numerous antivirus engines.

Besides, here is everything about the Googledrivesync.exe you should know.

How to Get Rid of Csrss.exe Trojan

This guide will help you eliminate suspicious files from your system disguised under the ‘Csrss.exe’ name. It is easy to get rid of the Csrss.exe trojan using the following methods.

However, the guide may look overwhelming because of the many steps and multiple programs involved. This provides simple to understand, detailed, and clear instructions that enable everyone to remove the Csrss.exe trojan effectively and for free.

Users need to perform every step in the right order. If they come across any queries or have doubts, stop there and look for our help.

To remove the Csrss.exe trojan, go through the following steps:

Step 1: Stop the Fake Csrss.exe Process Using RKill

The RKill program attempts to end all the malicious processes linked with the Csrss.exe trojan. This is important because, in this way, you would not be interrupted by these corrupted files while performing the second step.

RKill stops the malicious processes without deleting any files. After running this utility, do not reboot the system.

1. Firstly, you need to download RKill on your system.

2. Next, double-tap on the program to stop the malicious processes from running.

Stop the Fake Csrss.exe Process Using RKill

3. Now, this utility will begin running in the background. Please wait for some time while the program finds malicious files and attempts to stop them.

Stop the Fake Csrss.exe Process Using RKill

4. Once the program stops these programs, you can continue.

After the RKill program finishes off, it generates a log. You mustn’t reboot the system as the malicious files will start functioning again.

Stop the Fake Csrss.exe Process Using RKill

Step 2: Eliminate the Csrss.exe Trojan Using Malwarebytes

Malwarebytes is a widely used and quite popular anti-malware program for Windows. This utility can free destroy all kinds of malware, which is impossible with other software.

So, using Malwarebytes, users can clean up their infected devices for free. Thus, it becomes an essential utility for fighting against malware.

When you download Malwarebytes for the first time, you get a free trial for 14 days of its premium version. The premium subscription comes with preventative tools like protection against ransomware and scanning in real time.

Once this trial is over, you get back to the basic version that detects and clean up infections whenever you carry out a scan. The best part is Malwarebytes run alongside other antivirus programs without any issue.

How to Use Malwarebytes

1. In the first place, users have to download Malwarebytes.

2. Once downloaded, they need to double-tap on the setup file ‘mb3-setup-consumer-x.x.x.xxxx.exe‘ of Malwarebytes for installing the program on the system. Users will find the downloaded files in the folder ‘Downloads.’

Eliminate the Csrss.exe Trojan Using Malwarebytes

While doing this, people may see a user account control popup asking if they like to enable Malwarebytes to make changes to their devices. If it shows up, tap ‘Yes’ to continue installing the program.

Eliminate the Csrss.exe Trojan Using Malwarebytes

3. Once the installation starts, users will come across the ‘Malwarebytes Setup Wizard.’ This wizard will instruct users throughout the installation procedure. For installing Malwarebytes on the system, tap on the tab ‘Agrees and Install.’

Eliminate the Csrss.exe Trojan Using Malwarebytes
Eliminate the Csrss.exe Trojan Using Malwarebytes

4. Installing the program will automatically begin and update your antivirus database. For scanning your system, select the button ‘Scan Now.’

Eliminate the Csrss.exe Trojan Using Malwarebytes

5. The program will scan the system for malicious programs and adware. This procedure will take some minutes to complete.

Eliminate the Csrss.exe Trojan Using Malwarebytes

6. Once the system scan is over. Users will see a screen displaying the Csrss.exe trojan or other malicious programs detected by Malwarebytes. To get rid of these programs, tap on the Quarantine button.

Eliminate the Csrss.exe Trojan Using Malwarebytes

7. Next, Malwarebytes will eliminate all the registry keys and malicious files. To complete the removal process of the Csrss.exe trojan, Malwarebytes will ask users to restart the system.

Eliminate the Csrss.exe Trojan Using Malwarebytes

Once the removal procedure is over, close the Malwarebytes program, and follow the next step.

Step 3: Scan for Malware Like Csrss.exe Using HitmanPro

HitmanPro is another scanner that follows an amazing cloud-based approach for malware scanning. This tool will scan the nature of running files and the files stored in locations where malware usually resides to carry out suspicious activities.

Suppose the program comes across a suspicious program like the Csrss.exe trojan process that is not already known. In that case, this utility sends off that file to its cloud for scanning the file with some incredible antivirus engines like Kaspersky and Bitdefender.

The HitmanPro shareware costs around $24.95 for one computer for a year. However, there is no restriction on scanning. The restriction comes into play when you need to delete or quarantine malware detected by this utility on the computer. For this, you have to activate its 30-day free trial to enable the clean-up.

How to Use HitmanPro

1. Initially, download HitmanPro and install the program by double-tapping on the ‘hitmanpro.exe‘ or ‘hitmanpro_x64.exe‘ file for 32-bit and 64-bit Windows versions, respectively. You can look for the downloaded files in the folder ‘Downloads.’

Scan for Malware like Csrss.exe Using HitmanPro

As stated above, if you come across a popup from User Account Control, tap ‘Yes’ to allow HitmanPro to carry out changes to the device.

Scan for Malware like Csrss.exe Using HitmanPro

2. Once the program starts and you see the start display, tap on the Next button to perform the system scan.

Scan for Malware like Csrss.exe Using HitmanPro
Scan for Malware like Csrss.exe Using HitmanPro

3. HitmanPro will start scanning the system for harmful programs, which will take some time.

Scan for Malware like Csrss.exe Using HitmanPro

4. Once the scan process gets over, you will see multiple malware like the Csrss.exe trojan detected by this utility. To eliminate these infected programs, choose the tab ‘Next.’

Scan for Malware like Csrss.exe Using HitmanPro

5. Finally, tap on the Activate free license button to start its 30-day trial for free. This will eliminate all the infected files from the system.

Scan for Malware like Csrss.exe Using HitmanPro
Scan for Malware like Csrss.exe Using HitmanPro

After completing this process, close this application, and follow the next step.

Step 4: Eliminate Potentially Unnecessary Programs Using ZemanaAntiMalware

ZemanaAntiMalware is another popular antivirus scanner, which is available for free. This scanner detects and removes malware, which even popular anti-malware and antivirus applications could not locate.

1. Initially, download and install ZemanaAntiMalware. For installing it, double-tap on the file ‘Zemana.AntiMalware.Setup.exe,’ which will be in the folder ‘Downloads.’ If a popup from User Account Control shows up, select ‘Yes’ for running and installing the file.

Eliminate Potentially Unnecessary Programs Using ZemanaAntiMalware
Eliminate Potentially Unnecessary Programs Using ZemanaAntiMalware

2. Tap on the tab ‘Next’ to install this utility on your system. To finish the installation, keep on following the on-screen instructions. Once you reach the screen of ‘Select Additional Tasks,’ opt-out from the ‘Enable Real-Time Protection’ option and tap on the button ‘Next.’

Eliminate Potentially Unnecessary Programs Using ZemanaAntiMalware
Eliminate Potentially Unnecessary Programs Using ZemanaAntiMalware

3. Once the program starts, click ‘Scan’ to perform a scan on the system.

Eliminate Potentially Unnecessary Programs Using ZemanaAntiMalware

4. Now, ZemanaAntiMalware will scan the system for infected files.

Eliminate Potentially Unnecessary Programs Using ZemanaAntiMalware
Eliminate Potentially Unnecessary Programs Using ZemanaAntiMalware

5. Once the Csrss.exe trojan removal procedure is complete, this application requires the system to restart. To reset the system, tap on ‘Reboot.’

Eliminate Potentially Unnecessary Programs Using ZemanaAntiMalware

Step 5 (Optional): Employ Emsisoft Emergency Kit for Double-Checking Malicious Programs

If you are looking for a powerful and free scanner, then the Emsisoft Emergency Kit is what you need. This utility removes Csrss.exe trojan, viruses, adware, spyware, worms, and malicious programs.

Although the earlier scans are enough, this is for users who still face malware-related programs or like to ensure their system is 100% safe and clean.

1. First, download and install Emsisoft Emergency Kit. Double-tap the setup file to install it and click ‘Install.’

Employ Emsisoft Emergency Kit for Double-Checking Malicious Programs

2. On the desktop, you will see a folder named ‘EEK.’ For opening Emisoft, tap on the file ‘Start Emsisoft Emergency Kit.’ Suppose you like to run the file, and select ‘Yes’ when a popup from User Account Control appears on the screen.

Employ Emsisoft Emergency Kit for Double-Checking Malicious Programs
Employ Emsisoft Emergency Kit for Double-Checking Malicious Programs

3. When the program launches, it will ask your permission to update itself. Once done, select the tab ‘Scan’ for performing the ‘Malware Scan.’ Now, the kit will scan the system for infected files.

Employ Emsisoft Emergency Kit for Double-Checking Malicious Programs
Employ Emsisoft Emergency Kit for Double-Checking Malicious Programs

4. After that, remove the infected programs listed by the kit by clicking on the tab ‘Quarantine Selected.’ Once done, Emsisoft will ask to start the computer again. Tap on ‘Reboot’ to restart your computer.

Employ Emsisoft Emergency Kit for Double-Checking Malicious Programs

Step 6 (Optional): How to Reset the Browser’s Settings to Default

This option is best when you see unnecessary advertisements and are redirected to your browser. Here, you have to reset the browser’s settings to default. Google Chrome comes with an option for resetting itself to the default settings.

By doing so, you eliminate the unnecessary changes by installing various programs. However, it would not clean your saved passwords and bookmarks.

1. Visit the main menu of Chrome and choose the ‘Settings’ option from the drop-down list.

How to Reset the Browser's Settings to Default

2. Now, scroll to the page’s bottom and tap on the link ‘Advanced.’

How to Reset the Browser's Settings to Default

3. Keep scrolling down until you see the section ‘Reset and clean up.’ Now, tap on the button ‘Reset settings to their original defaults.’

How to Reset the Browser's Settings to Default

4. A dialog box will appear, showing the reset procedure’s elements to restore to the default state. To complete the process, tap on ‘Reset Settings.’

How to Reset the Browser's Settings to Default

Now, your system should be free from the Csrss.exe trojan. Hopefully, now you do not have to look for programs to get rid of the Csrss.exe trojan. All of the steps help eliminate malicious programs.

However, the last two of them are optional. Now, download antivirus programs and ensure that your computer is completely safe.

Jack

Jack

Ten years of experience in information and computer technology. Passionate about electronic devices, smartphones, computers, and modern technology.