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Microsoft Securoty Essentials. How to remove? (Uninstall guide)

removal by Linas Kiguolis - - | Type: Malware

Microsoft Securoty Essentials – a rogue AV that mimics Microsoft Security Essentials

Microsoft Securoty Essentials rogue anti-spyware

Microsoft Securoty Essentials is a rogue anti-spyware[1] that spreads via MadarchodLocker.exe file and performs fake system's scans by default. It is set to display “WARNING: Your system is too heavily infected to start Windows Defender. Please download Antivirus from XXXX” regularly to trick people into visiting phishing sites or other dangerous domains.

Name Microsoft Securoty Essentials
Classification Malware, rogue anti-spyware
Symptoms Regular system scanning by Microsoft Securoty Essentials, alerts warning about critical system's condition, slowdowns, redirects to suspicious websites
Danger level Medium. Runs suspicious processes and aims at redirecting people to dangerous websites
Related files MadarchodLocker.exe
Download Reimage and run a full system scan while in Safe Mode with Networking to get rid of Microsoft Securoty Essentials rogue

Although the distribution of rogue AV is not that popular as it was several years ago, it seems that hackers did not forget about this tricky method. Microsoft Securoty Essentials rogue has been detected in the first half of April 2018 via freeware, fake software updates, spam, phishing sites, and other illegal malware distribution channels.

As soon as it gets installed, MadarchodLocker.exe starts running multiple processes and creates the main executable at “C:\Users\admin\AppData\Local\Temp\madarchodLocker.exe.” Subsequently, the user of the infected PC starts encountering regular Microsoft Securoty Essentials pop-up, which says that indicates “PC status: at risk.” The following is the alert displayed on the fake pop-up by default:

Your PC isn't being monitored because the app's service stopped. You should restart it now.

The fake alert also claims that the Real-time protection[2] is off, while the virus and spyware definitions are out-of-date. The alert does not allow the user of a PC to access About and Update tabs. The only available option is to click Scan Now button, which once clicked immediately returns the following alert:

WARNING: Your system is too heavily infected to start Windows Defender. Please download Antivirus from XXXX.

Please, do not fall for this trick. Microsoft Securoty Essentials pop-up is fake alert generated by malware. Visting the website that it promotes as an update page might be infected with malicious virus-like ransomware or spyware, so visiting it can expose your PC to infection or data to information leakage. 

If suspicious system's scanners started launching automatically, pay attention to the name of the respective application. In this case, the name Microsoft Securoty Essentials contains a spelling mistake, which is the visible sign that the software is fake.

Besides, it's important to stress the fact that the genuine Microsoft Security Essentials is a package of security tools that are oriented to Windows 7 OS. Windows 8 and 10 are protected by Windows Defender by default, meaning that additional Microsoft's security software is not required.

To stop rogue scanners and protect the system from getting infected with malware, you have to remove Microsoft Securoty Essentials virus from your PC. For this purpose, use a professional anti-virus, say Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes.

If the MadarchodLocker.exe process or other malicious components blocks Microsoft Securoty Essentials removal, you may need to restart the system in Safe Mode with Networking. While in the safe environment, download or update your security tool and run a full system scan with it.

A fake copy of Security Essentials, named “Microsoft Securoty Essentials” aims at inexperienced PC users and seeks to make them visit suspicious websites that can be infected with malware. Therefore, do not postpone Microsoft Securoty Essentials removal.

Potentially unwanted and malicious apps can exploit multiple ways to infect PCs

Be careful with each free download on the Internet. There are many instances when potentially unwanted programs (PUPs) were being distributed on Google Play Store and other legitimate sources by tricking Google's security algorithms.

Nonetheless, the most frequent malware dissemination strategy remains “bundling,” meaning that potentially dangerous apps can infiltrate PCs as additional components of other free apps. Also, people may be tricked into downloading rogue anti-spyware and other malware by clicking on fake software update pop-ups online.

For this reason, the security team from semvirus.pt[3] recommend people to keep the following security tips in minds to keep their PCs safe:

  • Download apps from trusted sources only;
  • Read Terms of Agreement and Privacy Policy before downloading the app;
  • Read user reviews and other relevant information;
  • Opt for Advanced or Custom installation option;
  • Do not click on suspicious pop-up ads that urge to download software updates;
  • Avoid visiting suspicious/illegal websites.

A guide on how to remove Microsoft Securoty Essentials rogue antivirus

Microsoft Securoty Essentials removal will put fake system's scans to the end. According to malware experts, this particular malware can inject malicious files in %AppData%, %Local%, %Windows%, %Temp%, and %Roaming% locales. Besides, it may run multiple MadarchodLocker.exe processes that may not be terminated manually.

Therefore, we would strongly recommend you to remove Microsoft Securoty Essentials fake antivirus with the help of reputable anti-malware. In case you cannot launch it, follow the instructions on how to restart the system in Safe Mode with Networking.

When in safe environment, you should either run a scan with anti-virus. Manual removal is not recommended due to a high-risk of leaving malicious components installed. If, nevertheless, you want to try manual Microsoft Securoty Essentials removal, follow these steps:

  1. Access your device’s Settings app or Control Panel. 
  2. Navigate to Apps section. Versions prior to Windows 10 store installed apps in Control Panel -> Programs -> Programs and Features
  3. In the list of appeared programs, find this fake antivirus and other questionable apps and click it (if you do not see them, click See all apps or App info option).
  4. Right-click on it and select Uninstall.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. 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.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Microsoft Securoty Essentials, follow these steps:

Remove Microsoft Securoty Essentials using Safe Mode with Networking

If the rogue AV software blocks the anti-virus that is installed on your PC or prevents you from downloading one, you should boot the system into Safe Mode with Networking.

  • 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 Microsoft Securoty Essentials

    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 Microsoft Securoty Essentials removal.

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

Remove Microsoft Securoty Essentials using System Restore

  • 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 Microsoft Securoty Essentials. 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 Microsoft Securoty Essentials removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Microsoft Securoty Essentials and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Linas Kiguolis
Linas Kiguolis - Expert in social media

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