Cubokit “Virus” Removal (Mac OS X and Win)

Parasite may reinstall itself multiple times if you don't delete its core files. We recommend downloading SpyHunter to scan for malicious programs installed with it. This may save you hours and cut down your time to about 15 minutes. 

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More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

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

Rage-inducing adverts are invading my screen! What can I do about it?

If you are one of the many users who have this complaint, you’ve probably had a program called Cubokit installed onto your PC without you knowing of it. This is to be expected since the developers of programs like Cubokit often tend to utilize different stealth installation techniques. Fortunately for you, in this article we will provide you with all the information that you need to know about such intrusive programs, like the one you’re currently dealing with. Furthermore, we will also show you how you can quickly and effectively get rid of the nagging piece of software for good.

The infamous Browser Hijacker

Cubokit is just one of the many programs/browser add-ons of its kind, that excel at obstructing one’s otherwise undisturbed browsing experience. This particular type of software is called Browser Hijacker due to the fact it tends to constantly nag people with its rage-inducing adverts. In fact, ad-generation is the reason for Browser Hijacker programs to be created. The developers of such unwanted software use the pay-per-click method to earn money via their intrusive products. That is why the adverts you see are so incredibly annoying and tend to cover up a huge part of your screen once they are displayed. It’s all made to force you into clicking on them (something we advise you not to do).

But is Cubokit “Virus” harmful?

The more important question would be is Cubokit “virus” really a virus or malware at all? The short answer should usually be a “no”. You see many people freak-out as soon as they see that their browser has been hidden behind a wall of shiny and colorful ads. This is, without a doubt, unnerving, but is by no means a reason for you to panic. Browser Hijacker programs, as intrusive and frustrating as they may be, are no viruses. There’s a distinct difference between Browser Hijacker such as Cubokit and malicious software like, for example, Trojan Horses or Ransomware. While viruses like these aim to steal money from you, lock your files or simply lay waste to your PC’s system, Browser Hijacker programs are almost always safe and harmless on their own. Furthermore, Browser Hijacker is, for the most part, a legal type of software. As a matter of fact, even some big companies sometimes use Browser Hijacker to promote and support their bigger products. This, however, does not make up for the fact that Browser Hijacker is as annoying as they come. That is why we have devised a removal guide for Cubokit and other Browser Hijacker that you can find below this article.

Beware of the ads!

 Before you jump straight to the removal guide, take a few more moments to acquaint yourself with some essential information about what potential dangers an Browser Hijacker program might hold. Yes, we know we said Browser Hijacker is usually safe. However, such unwanted programs should always be treated with caution. For instance, despite Cubokit itself not being harmful to your machine, the ads it displays on your screen could contain certain security hazards. One such security risk is the possibility of you being redirected to some harmful page, once you click on any of those adverts. This does not happen often and most of the ads are not links to malicious sites. Still, there’s no need to take any chances. Be on the safe side and avoid interacting with any of the ads.

Browser Hijacker installation

As we mentioned earlier, Cubokit and programs similar to it are often installed onto people’s computers via stealth installation methods. In this last paragraph of our article, we will give you some essential information about some of the most commonly used methods for spreading Browser Hijacker.

  • Via your e-mail – probably the most popular way for distributing both unwanted and harmful software is through spam e-mails. Cubokit and Browser Hijackers are no exception. The rule here that will keep your PC protected is to never open any e-mail letters that seem suspicious and are from unknown senders.
  • Misleading links on file-sharing sites – be careful with those. Such links appear in many file sharing sites and are usually in the form of a big button that says Download. This is made to trick you into thinking that this is the actual download button that you need to click so as to download the desired file. In fact, those big and colorful buttons are almost always a ruse – avoid them at all costs.
  • File-bundles – another popular and extremely effective method for Cubokit distribution. With this one, the Browser Hijacker is bundled with some other program that you may install. If you install that program using the quick installation settings, you will also get the unwanted Browser Hijacker. That is why you should always go for the advanced settings when installing any new programs (especially freeware). Using the advanced settings would allow you to see all added contents and leave out of the installations any of them that may seem suspicious and potentially unwanted. In order to leave them out, simply uncheck them before you proceed with the installation.



Name Cubokit
Type  Browser Hijacker/Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms  In most cases it’s only the intrusive ads, but sometimes other symptoms like page redirects and altered browser settings might also occur.
Distribution Method File-bundles, deceptive links, spam e-mails and torrent sites.
Detection Tool Cubokit  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.


Cubokit “Virus” Removal (Mac OS X and Win)

WARNING! If you are a Mac OS X User, please refer to this guide instead: How to remove ads on Mac


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

This was the first preparation.


To remove parasite on your own, you may have to meddle with system files and registries. If you were to do this, you need to be extremely careful, because you may damage your system.

If you want to avoid the risk, we recommend downloading SpyHunter
a professional malware removal tool.

More information on SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy.

Reveal All Hidden Files and Folders.

  • Do not skip this  – Cubokit  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 Cubokit  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 Cubokit  from Firefox:

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

pic 6

Find the Browser Hijacker/malware —> Remove.
chrome-logo-transparent-backgroundRemove Cubokit  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.


We get asked this a lot, so we are putting it here: Removing parasite manually may take hours and damage your system in the process. We recommend downloading SpyHunter to see if it can detect parasite files for you.

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!

1 Comment

  • Hi Michiel,
    before Step 1 you can find the link for Mac users. It says “WARNING! If you are a Mac OS X User, please refer to this guide instead: How to remove ads on Mac” and then click on “How to remove ads on Mac”

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