MrAnon Stealer – How to Remove?

Written by Brendan Smith

MrAnon is an infostealer malware written in Python, that relies on email spam as a key spreading method. Its functionality is rather typical for a modern stealer, though it remains rather dangerous.

Its capabilities include file downloads from specific locations, screenshot capture, and extraction of extensive data from browsers, cryptocurrency wallets, messengers, and various applications. The stolen information is uploaded to a file-hosting site, with notifications sent to attackers via Telegram. Potential future iterations may introduce new functionalities.

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MrAnon Stealer Overview

MrAnon is a Python-based infostealer – a rather common sight nowadays. It exhibits diverse data-extraction features, focusing on browsers, cryptocurrency wallets, messaging platforms, and various applications. Available for sale online, MrAnon showcases multiple variants with distinct functionalities based on payment plans. Notably, this malware has been observed spreading through email spam campaigns.

MrAnon VirusTotal

MrAnon analysis on VirusTotal

NameMrAnon, Trojan:MSIL/Malgent!MSR (see more on VirusTotal)
DamageSteals personal information, cookies, passwords and other credentials
Similar BehaviorUmbral, Vidar, StealDeal
Fix ToolSee If Your System Has Been Affected by MrAnon Virus

Technical Analysis of MrAnon Stealer

Upon successful infiltration, MrAnon employs deceptive pop-up messages like “File Not Supported” or “Not Run: python.exe” to mislead victims into believing that the malware installation on their devices failed. This false sense of security reduces the likelihood of users taking further protective measures.

The malware initiates its operations by seeking and terminating specific processes linked to targeted applications, including browsers, messengers, and cryptowallets. MrAnon executes data gathering by stealthily accessing legitimate websites to obtain the victim’s IP address (geolocation), country name, and code. This malware may infiltrate systems in a heavily compressed format, leveraging its small file size to evade detection.

MrAnon is proficient in downloading files from infected devices, scanning locations such as Desktop, Documents, Pictures, and Downloads for various file formats. This stealer also has the capacity to capture screenshots and extract data from over twenty browsers, gathering a wide array of information. Typically, browsers store cookies, history, credit card info and stuff the like. All these things become a target for MrAnon.

How to Remove Malware?

The majority of malware is nearly impossible to remove manually. MrAnon in particular creates several copies of itself across the system, and also changes system settings. Finding them all and reverting to original will take too much time, and may sometimes lead to system instability. For that reason, I recommend using GridinSoft Anti-Malware – a well-proven tool that will clean your system in a couple of clicks.

Remove MrAnon with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common malware as shown from our tests with the software, and we assure you that it can remove MrAnon as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.


3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for MrAnon malware

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The MrAnon was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The MrAnon has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “MrAnon” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website ( and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching MrAnon Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching MrAnon Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing MrAnon and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

Frequently Asked Questions (FAQ)

My computer is infected with MrAnon malware, should I format my storage device to get rid of it?

Reformatting your storage device should only be considered as a last resort for removing MrAnon malware. Prior to taking such drastic action, it is advisable to perform a comprehensive scan using trustworthy antivirus or anti-malware software.

What are the biggest issues that malware can cause?

Malware poses a significant risk to the security and privacy of sensitive information, potentially leading to identity theft, financial loss, and unauthorized access to personal accounts. Furthermore, it can disrupt the normal operation of a system, causing performance issues, system crashes, and data corruption.

What is the purpose of MrAnon?

The purpose of MrAnon is to enable remote access and control of compromised devices. It allows threat actors to perform various malicious activities, such as unauthorized access, data theft, system manipulation, and disabling security measures, potentially causing significant harm to individuals and organizations.

Will Gridinsoft Anti-Malware protect me from malware?

Gridinsoft Anti-Malware has the ability to identify and eliminate most malware infections. Nevertheless, it is crucial to recognize that sophisticated malware can remain hidden deep within the system. Consequently, conducting a complete system scan is imperative to detect and eradicate malware.
How to Remove MrAnon Malware

Name: MrAnon

Description: MrAnon, a Python-coded information-stealing malware, spreads through email spam campaigns. It exhibits diverse capabilities, including file downloads from select directories, screenshot capturing, and comprehensive data extraction from browsers, cryptocurrency wallets, messengers, and various apps. This stolen data is then uploaded to a file-hosting site, and notifications are dispatched to attackers via Telegram. The malware's iterative nature suggests potential updates with added functionalities in future versions.

Operating System: Windows

Application Category: Malware

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About the author

Brendan Smith

I'm Brendan Smith, a passionate journalist, researcher, and web content developer. With a keen interest in computer technology and security, I specialize in delivering high-quality content that educates and empowers readers in navigating the digital landscape.

With a focus on computer technology and security, I am committed to sharing my knowledge and insights to help individuals and organizations protect themselves in the digital age. My expertise in cybersecurity principles, data privacy, and best practices allows me to provide practical tips and advice that readers can implement to enhance their online security.

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