What Is MrsMajor?
MrsMajor is a trojan malware that is detected to cause a pop-up and a BSOD. It secretly works in the background, using your CPU and GPU to perform crypto mining. This harmful activity can slow down your system and cause other security problems.
Malware like MrsMajor often disguises itself as legitimate files or apps. After being installed, it can steal personal data or give hackers access to your device.
Apart from mining cryptocurrency, MrsMajor can serve as a backdoor for other malicious programs. Using trusted anti-malware tools is essential to remove it quickly.
MrsMajor Summary
| Name | MrsMajorApplication.exe |
| Type | Trojan Horse / Malware / Infostealer |
| Brief Description | Aims to collect various details from the system. |
| Symptoms | Your computer could become very slow and even freeze from time to time. |
| Distribution Technique | Bundled downloads. Web pages which may promote it. |
| Detection Tool |
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MrsMajor – Distribution Tactics
MrsMajor spreads by tricking users through fake downloads or unsafe websites. It can stay hidden in your system while overloading its resources.
The virus may display the following pop-up:
Be patient, while MrsMajor infects your system. It usually takes about 23 seconds. Your computer will be forced to restart afterwards.
Cybercriminals use different methods to distribute MrsMajor, such as phishing emails, fake updates, or infected programs. The main tactics include:
- Exploit kits;
- Phishing messages;
- Freeware bundled with malicious files;
- Fake updates or harmful web pages.
What Does It Do?
Once MrsMajor infects your system, it generates harmful files that disrupt your device and network. It operates silently, making it difficult to notice until major issues occur.
This trojan can also create a backdoor, allowing other malware like ransomware, spyware, or adware to infect your device.
Hackers use this malware to steal sensitive information, commit fraud, or send spam from your email account. To fully remove it, rely on a strong anti-malware program. Leaving even small traces behind can leave your system exposed to further attacks.
Because of its dangerous nature, scanning your system and eliminating MrsMajor is vital.
How to Remove MrsMajor Trojan
To eliminate MrsMajor, follow the removal steps in this article. If manual methods don’t work, use a reliable anti-malware program to scan and clean your system.
Anti-malware software can detect and erase harmful files, ensuring your device stays protected against future attacks.
Ventsislav Krastev
Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.
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Preparation before removing MrsMajor.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
- Be patient as this could take a while.
- Scan for Malware
- Fix Registries
- Remove Virus Files
Step 1: Scan for MrsMajor with SpyHunter Anti-Malware Tool
Step 2: Clean any registries, created by MrsMajor on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by MrsMajor there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.Step 3: Find virus files created by MrsMajor on your PC.
1.For Windows 8, 8.1 and 10.
For Newer Windows Operating Systems
1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.
2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.
3: Navigate to the search box in the top-right of your PC's screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be "fileextension:exe". After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:
N.B. We recommend to wait for the green loading bar in the navigation box to fill up in case the PC is looking for the file and hasn't found it yet.
2.For Windows XP, Vista, and 7.
For Older Windows Operating Systems
In older Windows OS's the conventional approach should be the effective one:
1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.
2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.
3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.
Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.
MrsMajor FAQ
What Does MrsMajor Trojan Do?
The MrsMajor Trojan is a malicious computer program designed to disrupt, damage, or gain unauthorized access to a computer system. It can be used to steal sensitive data, gain control over a system, or launch other malicious activities.
Can Trojans Steal Passwords?
Yes, Trojans, like MrsMajor, can steal passwords. These malicious programs are designed to gain access to a user's computer, spy on victims and steal sensitive information such as banking details and passwords.
Can MrsMajor Trojan Hide Itself?
Yes, it can. A Trojan can use various techniques to mask itself, including rootkits, encryption, and obfuscation, to hide from security scanners and evade detection.
Can a Trojan be Removed by Factory Reset?
Yes, a Trojan can be removed by factory resetting your device. This is because it will restore the device to its original state, eliminating any malicious software that may have been installed. Bear in mind that there are more sophisticated Trojans that leave backdoors and reinfect even after a factory reset.
Can MrsMajor Trojan Infect WiFi?
Yes, it is possible for a Trojan to infect WiFi networks. When a user connects to the infected network, the Trojan can spread to other connected devices and can access sensitive information on the network.
Can Trojans Be Deleted?
Yes, Trojans can be deleted. This is typically done by running a powerful anti-virus or anti-malware program that is designed to detect and remove malicious files. In some cases, manual deletion of the Trojan may also be necessary.
Can Trojans Steal Files?
Yes, Trojans can steal files if they are installed on a computer. This is done by allowing the malware author or user to gain access to the computer and then steal the files stored on it.
Which Anti-Malware Can Remove Trojans?
Anti-malware programs such as SpyHunter are capable of scanning for and removing Trojans from your computer. It is important to keep your anti-malware up to date and regularly scan your system for any malicious software.
Can Trojans Infect USB?
Yes, Trojans can infect USB devices. USB Trojans typically spread through malicious files downloaded from the internet or shared via email, allowing the hacker to gain access to a user's confidential data.
About the MrsMajor Research
The content we publish on SensorsTechForum.com, this MrsMajor how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific trojan problem.
How did we conduct the research on MrsMajor?
Please note that our research is based on an independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware definitions, including the various types of trojans (backdoor, downloader, infostealer, ransom, etc.)
Furthermore, the research behind the MrsMajor threat is backed with VirusTotal.
To better understand the threat posed by trojans, please refer to the following articles which provide knowledgeable details.