Youndo “Virus” Removal (Chrome Browser)

Keep in mind, SpyHunter’s malware detection tool is free. To remove the infection, you'll need to purchase its full version. More information about SpyHunter and steps to uninstall.

This page aims to help you remove the Youndo “Virus” . These Youndo “Virus” removal instructions work for Chrome, Firefox and Internet Explorer, as well as every version of Windows.

Dear Reader,

At the present moment more and more computers get contaminated with the Youndo “Virus” . This is probably why you are interested in the following article. Here we have managed to combine a thorough description of the cause, origin and typical behavior of your current issue, and a removal guide showing every single detail about the process of uninstalling this software.

Are you facing a virus or not?

We are going to begin this article with some essential information about Adware in general. Maybe the most important fact about this software is that it is NOT similar to a virus. It doesn’t have the ability to copy and use account and banking credentials, track the key strokes, like Trojans and spyware can, produce replicas of itself, spy on you or perform any other dishonest activities.

Its very purpose is to generate advertisements in various forms, versions and shapes. Moreover, the more ads Adware displays, the more profit it earns for its programmers. Although it is usually harmless, Adware may still represent some kind of a security threat, because some Adware-based programs may have the ability to keep track of your personal browsing movements and sell that information to 3rd parties. This data may be used for making predictions about the users’ tastes and promoting exactly the products they might be interested in. There is also one more potential danger – some Adware-generated ads may redirect the users to possibly hazardous products or websites that may infect their systems with far more dangerous threats, like Ransomware for example.

What have you done in order to catch Youndo ?

The most typical way the Youndo “Virus”  usually gets into your machine is as one of the programs included into a software bundle. A software bundle is most often a combination of free software and Adware-like programs. When you download and finally install a program from such a bundle, the Adware-based products lurking within it might start showcasing a variety of ads. It is vitally important to remember that many shareware programs are distributed together with an ads-producing product. When you venture into installing any software on your computer, don’t forget to be very careful and read the whole End-User License Agreement; use the Custom {Advanced/Manual) feature of the installer in order to know exactly what you are about to put onto your PC for the chance to download and use the software from a given bundle. Many users may usually choose the Quick {Default/Automatic} option of the wizard and become naive victims of their actions.

Youndo and its typical features

In fact, all the characteristics of Adware as a whole can also refer to the Youndo “Virus”  in particular. This program enters your PC in the same way Adware does and functions exactly in the same way as most Adware-like programs.
We are going to give you an example to get a clearer idea of the way Youndo typically works:

Let’s say that you have been searching for cheap but still decent holiday packages for the Greek islands for the summer. In case Youndo has been incorporated into your system, it will detect those search requests and the next time you start your browser, you might be overwhelmed by ads relevant to holiday packages in Greece.

Is it possible to avoid this program?

Of course, this program is not able to become a component of your machine if you do not authorize that. Just make an effort to complete the installation of any software in the way mentioned above – by reading all the information and agreements. Also, some web page-hosted ads might be prevented from appearing, if you enable a pop-up blocker. What’s more, a decent anti-malware tool will save you not only from probable sources of Adware, but also from potential malware-distributing programs and websites. Moreover, keeping your Firewall ON and up-to-date is always a good idea.

In case of an already existing infection – removal steps

In case your system has been contaminated with Youndo , you might be interested in the removal guide below that we have prepared especially for the users, annoyed by the obstinate ads. Again, we would like to advise you to carefully read all tips and steps so as to be informed about the removal process and to be able to implement it yourself.


Name Youndo
Type  Adware/Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms The whole system’s performance might be compromised by the numerous ads that appear, resulting in notable slow-downs, browser crashes, etc.
Distribution Method Usually gets distributed within software bundles, spam emails and torrents.
Detection Tool Youndo may be difficult to track down. Use SpyHunter – a professional parasite scanner – to make sure you find all files related to the infection.

Keep in mind, SpyHunter’s malware detection tool is free. To remove the infection, you’ll need to purchase the full version.
More information about SpyHunter and steps to uninstall.


Youndo “Virus” Removal

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Reboot in Safe Mode (use this guide if you don’t know how to do it).

This was the first preparation.


To remove parasite, you may have to meddle with system files and registries. Making a mistake and deleting the wrong thing may damage your system.
Avoid this by using SpyHunter - a professional Parasite removal tool.

Keep in mind, SpyHunter’s malware detection tool is free. To remove the infection, you'll need to purchase its full version. More information about SpyHunter and steps to uninstall.

Reveal All Hidden Files and Folders.

  • Do not skip this  – Youndo  may have hidden some of its files.

Hold together the Start Key and R. Type appwiz.cpl –> OK.


You are now in the Control Panel. Look for suspicious entries. Uninstall it/them.

Type msconfig in the search field and hit enter. A window will pop-up:


Startup —> Uncheck entries that have “Unknown” as Manufacturer or otherwise look suspicious.

  • Remember this step – if you have reason to believe a bigger threat (like ransomware) is on your PC, check everything here.


Open the start menu and search for Network Connections (On Windows 10 you just write it after clicking the Windows button), press enter.

  1. Right-click on the Network Adapter you are using —> Properties —> Internet Protocol Version 4 (ICP/IP), click  Properties.
  2. The DNS line should be set to Obtain DNS server automatically. If it is not, set it yourself.
  3. Click on Advanced —> the DNS tab. Remove everything here (if there is something) —> OK.



Right click on the browser’s shortcut —> Properties.

NOTE: We are showing Google Chrome, but you can do this for Firefox and IE (or Edge).


Properties —–> Shortcut. In Target, remove everything after .exe.

ie9-10_512x512  Remove Youndo  from Internet Explorer:

Open IE, click  IE GEAR —–> Manage Add-ons.

pic 3

Find the threat —> Disable. Go to IE GEAR —–> Internet Options —> change the URL to whatever you use (if hijacked) —> Apply.

firefox-512 Remove Youndo  from Firefox:

Open Firefoxclick  mozilla menu  ——-> Add-ons —-> Extensions.

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Find the adware/malware —> Remove.
chrome-logo-transparent-backgroundRemove Youndo  from Chrome:

Close Chrome. Navigate to:

 C:/Users/!!!!USER NAME!!!!/AppData/Local/Google/Chrome/User Data. There is a Folder called “Default” inside:

Rename the Folder to Backup Default

Rename it to Backup Default. Restart Chrome.

  • At this point the threat is gone from Chrome, but complete the entire guide or it may reappear on a system reboot.


Press CTRL + SHIFT + ESC simultaneously. Go to the Processes Tab. Try to determine which ones are dangerous. Google them or ask us in the comments.


This is the most important and difficult part. If you delete the wrong file, it may damage your system irreversibly. If you can not do this,
>> Download SpyHunter - a professional parasite scanner and remover.

Keep in mind, SpyHunter’s malware detection tool is free. To remove the infection, you'll need to purchase its full version. More information about SpyHunter and steps to uninstall.

Right click on each of the problematic processes separately and select Open File LocationEnd the process after you open the folder, then delete the directories you were sent to.



Type Regedit in the windows search field and press Enter.

Inside, press CTRL and F together and type the threat’s Name. Right click and delete any entries you find with a similar name. If they don’t show this way, go manually to these directories and delete/uninstall them:

  • HKEY_CURRENT_USER—-Software—–Random Directory. It could be any one of them – ask us if you can’t discern which ones are malicious.
    HKEY_CURRENT_USER—-Software—Microsoft—-Windows—CurrentVersion—Run– Random
    HKEY_CURRENT_USER—-Software—Microsoft—Internet Explorer—-Main—- Random

Remember to leave us a comment if you run into any trouble!