Amdfendrsr.exe — Is It Safe or Virus?

Amdfendrsr.exe - What is That File?
Written by Robert Bailey

Amdfendrsr.exe is a legitimate process that is associated with the AMD Radeon graphics card driver software. This process is part of the AMD Protection Service and is responsible for providing real-time protection and security features for the graphics card and its associated components. In some cases, malicious software may use the name of this process to appear legitimate.

What is Amdfendrsr.exe process?

The primary purpose of amdfendrsr.exe and the associated AMD Crash Defender Service is to help protect and increase system stability. It achieves this by monitoring the system for potential crashes and attempting to prevent them. This service is particularly beneficial for systems that use AMD processors and graphics cards because it can help prevent system instability and improve overall performance.

Amdfendrsr.exe is typically found in the C:\Windows\System32 folder and considered safe and is not a cause for concern. However, like any executable file, it could potentially be exploited by malicious software. If you suspect that the amdfendrsr.exe file on your system is not the legitimate file provided by AMD, it may be advisable to remove it to ensure the security of your system. Keeping your system and software up-to-date is always a good practice to protect against potential security threats.

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To ensure that Amdfendrsr.exe on your computer is legitimate, follow these steps:

  1. Open Task Manager: Press “Ctrl + Shift + Esc” or right-click the taskbar and select “Task Manager.”
  2. Navigate to Processes: Click on the “Processes” tab in Task Manager.
  3. Locate Audiodg.exe: Find “amdfendrsr.exe” in the list of processes.
  4. Check File Location: Right-click on “amdfendrsr.exe” and select “Open File Location.”
  5. Verify Location: If the file location opens to C:\Windows\System32, it is likely legitimate. If it opens to a different location or exhibits suspicious behavior, perform a malware scan using reliable antivirus software to confirm its authenticity.
Amdfendrsr.exe Windows Process

Amdfendrsr.exe – Very high CPU as well as GPU usage

Amdfendrsr.exe Technical Summary.

File NameAmdfendrsr.exe
TypeTrojan Coin Miner
Detection NameTrojan:Win32/CoinMiner
Distribution MethodSoftware bundling, Intrusive advertisement, redirects to shady sites etc.
Similar behaviorAmdrsserv.exe, Amdow.exe, Amdrssrcext.exe
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Common Issues and Solutions with Amdfendrsr.exe

Amdfendrsr.exe is an executable file associated with the AMD Crash Defender Service. But it can sometimes cause issues that affect audio playback. Here are some common issues associated with Amdfendrsr.exe:

1. High CPU Usage: Sometimes, users may notice that the amdfendrsr.exe process is using a significant amount of CPU resources, causing system slowdowns. This can be a concern when it hinders normal computer operation.

Solutions:
If you’re experiencing high CPU usage attributed to amdfendrsr.exe, it might be due to a conflict with other software or drivers. Try the following:

  • Ensure your AMD graphics drivers are up to date. Outdated drivers can lead to performance issues.
  • Check for software conflicts or third-party applications that might be conflicting with amdfendrsr.exe. Disabling or uninstalling such software could resolve the problem.
  • Consider reducing the frequency of system scans or monitoring by the AMD Crash Defender Service through the software settings. However, this might slightly decrease the level of protection it provides.

2. False Positives: Security software might flag amdfendrsr.exe as potentially harmful due to its monitoring behavior, even though it’s a legitimate process. This can lead to false positive detections and unnecessary alerts.

Solutions:
If your security software is flagging amdfendrsr.exe as a threat, you can take the following steps:

  • Confirm that your amdfendrsr.exe file is in the correct location and hasn’t been tampered with. The legitimate file should typically reside in a folder related to AMD drivers or software. If it’s located in a suspicious directory, it might be a sign of malware.
  • Whitelist amdfendrsr.exe in your security software to prevent it from being flagged as a false positive.
  • Keep your security software and operating system up to date. Security software updates often include improvements in recognizing legitimate processes.

It’s essential to exercise caution when dealing with system processes and executable files. Always ensure that you’re working with legitimate files and that your security software is up to date to reduce the risk of false positives or security vulnerabilities. If you’re unsure about a particular issue, seeking help from AMD’s official support or a trusted IT professional is a wise decision.

Is Amdfendrsr.exe Malware?

Amdfendrsr.exe itself is not malware. It’s a legitimate process associated with AMD Radeon graphics card driver software. It is part of the AMD Protection Service and is responsible for providing real-time protection and security features for the graphics card and its associated components.
However, it’s not uncommon for malware or viruses to disguise themselves as legitimate system files, including Amdfendrsr.exe. If you suspect that file on your computer is malware, it’s essential to run a thorough scan using reliable antivirus software like Gridinsoft Anti-Malware to determine its legitimacy.

Should You Remove Amdfendrsr.exe?

Generally should not uninstall amdfendrsr.exe or the AMD Crash Defender Service unless you have a specific reason to do so. Amdfendrsr.exe is a legitimate process associated with AMD Radeon graphics card driver software, and its primary purpose is to enhance system stability and protect against crashes, especially for systems that use AMD hardware.

How to Fix Amdfendrsr.exe Errors?

If you encounter any errors related to Amdfendrsr.exe, it may indicate potential issues with the AMD Protection Service. To troubleshoot these errors, you can try the following steps:

  1. Run Windows Update: Ensure your Windows operating system is up-to-date with the latest updates and patches, as these updates may contain bug fixes for system services like AMD Protection Service.
  2. Scan for Malware: Perform a full system scan using reputable antivirus or anti-malware software to check for any potential malware or unwanted programs that may interfere with Amdfendrsr.exe.
  3. Check Device Drivers: Make sure your graphics cards have the latest drivers installed. Outdated or corrupt drivers can lead to issues with the AMD Protection Service.
  4. Check System Integrity: Run the System File Checker (SFC) tool to check for and repair any corrupted system files, including Amdfendrsr.exe.
  5. Perform Clean Boot: If you suspect third-party applications are causing conflicts, perform a clean boot to isolate the issue and identify the problematic program.

Remember to create a system restore point or backup before making any significant changes to your system to avoid potential data loss or system instability.

If you encounter crashes related to Amdfendrsr.exe, you can follow these steps to address the issue:

Run DISM and SFC Scans

DISM (Deployment Image Servicing and Management) and SFC (System File Checker) are Windows utilities designed to repair corrupted or missing system files, ensuring your computer’s health. To use these tools:

1. Open an elevated Command Prompt in Windows by typing “cmd” in the search bar and right-clicking on the Command Prompt result. Choose “Run as administrator.”

This step shows how to run cmd as administrator

2. Run a DISM scan by entering the following command and pressing Enter: dism /online /cleanup-image /restorehealth

This step shows running the DISM scanning process

This command will examine your Windows component store for corruption and automatically rectify any detected issues. The process duration may vary based on your system.

Next, perform an SFC scan by entering the following command in the Command Prompt and pressing Enter: sfc /scannow

This step shows running the SFC  scanning process

This will scan all protected system files and replace damaged or missing ones with cached copies. Wait for the scan to finish, which may take time, depending on your system configuration.

Once both scans are complete, restart your computer to implement any changes and verify if the issue has been resolved.

Check for Problematic Software

If a specific program is causing the problem, you can attempt to resolve it by uninstalling and then reinstalling it. This can be applied to software like Microsoft DirectX, Microsoft Visual C++ Redistributable, or .NET Framework. Here’s how to do it:

1. Open Start and click Settings.

Start and settings screenshot

2. Then click “Apps” in the sidebar and “Installed apps.”

Apps menu screenshot

3. In the Installed apps, scroll down to locate the program you want to uninstall. Once found, click the three dots button next to it and choose “Uninstall” from the menu.

Uninstall process screenshot

4. Confirm the uninstallation process in the subsequent message box by clicking “Uninstall,” and follow the prompts to complete the program’s removal.

Remove Amdfendrsr.exe Virus ⛏️ Trojan Coin Miner

Name: Amdfendrsr.exe

Description: The Amdfendrsr.exe is a legit process related to the AMD Radeon video driver. It helps the system security elements to ensure that the installed driver is signed with a valid signature and is not spoofed in any way. However, seeing this process takes over 80% of your CPU power means you are dealing with a coin miner that hijacked the name of a legit process.

Operating System: Windows

Application Category: Trojan

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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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