MEMZ virus : What it is and how to remove it for good

Madalina Dinita
by Madalina Dinita
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  • The MEMZ virus is an iconic example of a joke taken one step too far. Initially harmless, this Trojan has the potential to seriously damage your PC.
  • For instance, if you try to use the Task Manager to get rid of it, your computer will crash on the spot. Check out a safer alternative to remove it in this article.
  • Ready to tackle more bugs? You'd better gear up then! Stop by our Virus section first and get all the tips you need.
  • Explore our Removal Guides as well and start removing malicious programs one after another.
remove MEMZ Trojan

MEMZ is a Trojan that has received much attention from Windows PC users lately, who are intrigued by the vortex images it creates on their computers. To this day, MEMZ still remains an obscure virus for many Windows users, and the chance of getting more information from Microsoft is zero now.

The tech giant has locked the original thread about this Windows 10 MEMZ virus. The only thread active on Microsoft Community is this. It seems like it all began as a joke, but many users got affected by it.

Leurak, the creator of the virus, intended it only to be for fun, and it was for Youtuber danooct1’s ‘Viewer-made malware’ series. He privately sent it out to some others, and some of the reciepients failed to follow Leurak’s request NOT to share it to their peers or strangers.

MEMZ virus on a stream was originally created by Leurak for YouTuber danooct1’s Viewer-Made Malware series. Now it’s available to the public and you can find several versions on GitHub: some are MEMZ virus Clean and others Destructive.

What is the MEMZ virus?

MEMZ is a custom-made Trojan that uses highly-complex and unique payloads which activate in a row. The first few payloads are harmless, but the final payload can make your PC completely unusable.

Once a computer is infected, the virus displays a message informing users they won’t be able to use their machines if they restart them. So remember to never restart a PC with MEMZ on it.

If you’re wondering about the way this trojan manifests itself, some of the effects include automatic web search queries in the browser, the mouse cursor changing form, and random clicking, or random apps being opened, or closed.

Many other weird errors and glitches concluding with a screen tunnel from countless screenshots can also take over your display. 

Furthermore, MEMZ Trojan can do an interesting and also very destructive thing: overwrite the first 64 KB of the hard disk. That means that your Master Boot Record will be affected and you’ll need some advanced troubleshooting.

Your machine won’t be able to run the OS and will display this message instead: Your computer has been trashed by the MEMZ Trojan. Now enjoy the Nyan cat…

After that, the Nyan Cat will take over your computer. MEMZ’s trademark is the Nyan Cat animation acting as a bootloader.

The big question that pops out is how to stop MEMZ virus? Well, if you decide to get rid of MEMZ via the Task Manager, your computer will crash on the spot. The final payload is initiated when restarting the computer.

There are two versions of MEMZ: a harmless one, which people use for fun, and a malware version which affects the Master Boot Record. The second one is dangerous and can make a PC unusable.

How to remove the MEMZ virus?

  • Type the command taskkill /f /im MEMZ.exe in Command Prompt. This kills all the MEMZ processes without crashing the system. The downside is that the Nyan Cat will still appear after your restart your computer.
  • Install Windows using the ISO file.

If you’re curious to see how MEMZ affects your computer, you can watch the video below.


If you ever encountered the MEMZ virus on your PC, tell us how you dealt with it in the comments section below. Also, if you are aware of other ways to remove the trojan, feel free to mention them.

FAQ: Learn more about the MEMZ virus

  • Is the MEMZ virus harmful?

There are two versions of MEMZ: a harmless one and a malware version which affects the Master Boot Record. By overwriting the first 64 KB of the hard disk, the harmful MEMZ will leave your PC unable to run the OS.

  • Can you get rid of MEMZ virus?

Yes, but pay attention not to restart your PC. Instead, use the command taskkill /f /im MEMZ.exe in the elevated Command Prompt to avoid crashing the system. As an alternative, you can reinstall Windows from the ISO file.

  • Who made the MEMZ virus?

MEMZ virus was originally created as a sort of joke that has gone out of hands subsequently. It was conceived by Leurak for YouTuber danooct1’s Viewer-Made Malware series.

Editor’s Note: This post was originally published in April 2019 and has been since revamped and updated in May 2020 for freshness, accuracy, and comprehensiveness.

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