Meduza Stealer

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Meduza Stealer

Meduza Stealer is a malicious program that uses disguise to enter the system and starts a number of harmful processes and tasks in it once inside. Security researchers find Meduza Stealer to be a Trojan Horse and advise users to quickly remove it before it causes them major harm.

Meduza Stealer
The Meduza Stealer detected by multiple antivirus software programs in VirusTotal

Meduza Stealer primarily attacks Windows computers with the intention of conducting different illegal activities in them without being detected. This Trojan is an advanced piece of malware that commonly spreads through spam, malicious e-mail attachments, bogus pop-up alerts, torrents, hacked software installers and infected web links that initially look intriguing but, once clicked, silently inject the infection into the computer.

The malicious actions of a virus like Meduza Stealer, Altruistics and Taskbarify are entirely dictated by the hackers who control it. The malware can effectively be programmed to collect personal information from the infected computer. This can happen through your own webcam and microphone if the Trojan is set to take audio and video records of your conversations and online or offline activities on the screen.  Meduza Stealer can also collect information about your contacts and keep track of your keystrokes in order to reveal your passwords, online banking details, credit/debit card credentials and other information to the hackers which could later exploit this data for personal abuse, theft, online fraud or blackmail.

The Meduza Stealer Malware

In the worst-case scenario, the Meduza Stealer malware can allow its criminal creators to remotely control the entire machine without your knowledge or permission and to let them install new software, modify, replace, erase or corrupt existing files, or start secret malicious processes and tasks inside the system. The Meduza Stealer malware can even transform the computer into a bot with the aid of such an infection and set it to mine cryptocurrencies for them or distribute spam and other viruses such as Ransomware, or Spyware.

In general, the hidden activities that a single Trojan can launch can make the system nearly unusable, because its resources will be exploited to the maximum without leaving room for the tasks and processes that you want to run. As a result, the computer may start to crash, freeze or become unresponsive due to resource overload and you won’t be able to do anything until you detect and remove the Trojan.

However, eliminating the Trojan is the most difficult part since these threats usually never have clear symptoms of their presence. Many victims realize that they have been infected with a Trojan weeks or months after the actual contamination has happened and this usually happens when they face the harmful consequences of its attack. Moreover, when such threats are inside the computer, they can frequently mimic regular system files and processes so that the person who is attempting to remove them will be confused. For this reason, using a professional removal tool is the best way to deal with an infection like Meduza Stealer, especially if this is the first time you are faced with a Trojan Horse. Another alternative is to use a manual removal guide like the one that you will find below. If you decide to go for it, however, our recommendation is to follow the instructions closely and do no experiments if you are not sure which files exactly you need to remove.


NameMeduza Stealer
Detection Tool

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Remove Meduza Stealer Virus

To try and remove Meduza Stealer quickly you can try this:

  1. Go to your browser’s settings and select More Tools (or Add-ons, depending on your browser).
  2. Then click on the Extensions tab.
  3. Look for the Meduza Stealer extension (as well as any other unfamiliar ones).
  4. Remove Meduza Stealer by clicking on the Trash Bin icon next to its name.
  5. Confirm and get rid of Meduza Stealer and any other suspicious items.

If this does not work as described please follow our more detailed Meduza Stealer removal guide below.

If you have a Windows virus, continue with the guide below.

If you have a Mac virus, please use our How to remove Ads on Mac guide.

If you have an Android virus, please use our Android Malware Removal guide.

If you have an iPhone virus, please use our iPhone Virus Removal guide.

Some of the steps may require you to exit the page. Bookmark it for later reference.
Next, Reboot in Safe Mode (use this guide if you don’t know how to do it).

Step1 Uninstall the Meduza Stealer app and kill its processes

The first thing you must try to do is look for any sketchy installs on your computer and uninstall anything you think may come from Meduza Stealer. After that, you’ll also need to get rid of any processes that may be related to the unwanted app by searching for them in the Task Manager.

Note that sometimes an app, especially a rogue one, may ask you to install something else or keep some of its data (such as settings files) on your PC – never agree to that when trying to delete a potentially rogue software. You need to make sure that everything is removed from your PC to get rid of the malware. Also, if you aren’t allowed to go through with the uninstallation, proceed with the guide, and try again after you’ve completed everything else.

  • Uninstalling the rogue app
  • Killing any rogue processes

Type Apps & Features in the Start Menu, open the first result, sort the list of apps by date, and look for suspicious recently installed entries.

Click on anything you think could be linked to Meduza Stealer, then select uninstall, and follow the prompts to delete the app.

delete suspicious Meduza Stealer apps

Press Ctrl + Shift + Esc, click More Details (if it’s not already clicked), and look for suspicious entries that may be linked to Meduza Stealer.

If you come across a questionable process, right-click it, click Open File Location, scan the files with the free online malware scanner shown below, and then delete anything that gets flagged as a threat.

Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
This scanner is free and will always remain free for our website's users.
This file is not matched with any known malware in the database. You can either do a full real-time scan of the file or skip it to upload a new file. Doing a full scan with 64 antivirus programs can take up to 3-4 minutes per file.
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Drag and Drop File Here To Scan
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Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
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    Delete Meduza Stealer files and quit its processes.

    After that, if the rogue process is still visible in the Task Manager, right-click it again and select End Process.

    Step2 Undo Meduza Stealer changes made to different system settings

    It’s possible that Meduza Stealer has affected various parts of your system, making changes to their settings. This can enable the malware to stay on the computer or automatically reinstall itself after you’ve seemingly deleted it. Therefore, you need to check the following elements by going to the Start Menu, searching for specific system elements that may have been affected, and pressing Enter to open them and see if anything has been changed there without your approval. Then you must undo any unwanted changes made to these settings in the way shown below:

    • DNS
    • Hosts
    • Startup
    • Task
    • Services
    • Registry

    Type in Start Menu: View network connections

    Right-click on your primary network, go to Properties, and do this:

    Undo DNS changes made by Meduza Stealer

    Type in Start Menu: C:\Windows\System32\drivers\etc\hosts

    Delete Meduza Stealer IPs from Hosts

    Type in the Start Menu: Startup apps

    Disable Meduza Stealer startup apps

    Type in the Start Menu: Task Scheduler

    Delete Meduza Stealer scheduled tasks

    Type in the Start Menu: Services

    Disable Meduza Stealer services

    Type in the Start Menu: Registry Editor

    Press Ctrl + F to open the search window

    Clear the Registry from Meduza Stealer items


    About the author


    Lidia Howler

    Lidia is a web content creator with years of experience in the cyber-security sector. She helps readers with articles on malware removal and online security. Her strive for simplicity and well-researched information provides users with easy-to-follow It-related tips and step-by-step tutorials.

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