Mac Virus

WindowGroup Mac Virus

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WindowGroup is categorized as a browser hijacker by security experts. WindowGroup is known to cause browser redirects and different pop-up advertisements in addition to security vulnerabilities.


The WindowGroup App will display pop up ads and messages

The Window Group App

WindowGroup is known to be a browser hijacker. Numerous complaints about WindowGroup include webpage redirects, unwanted advertisements and unapproved changes to the user’s browser.

Have you ever encountered a browser hijacker application? If you have, then you’d know just how annoying and irritating this category of software could be. These apps are perfectly capable of “infiltrating” any of your browsers (Safari, Opera, Chrome, Firefox, etc.) and filling them with different kinds of unpleasant ads as well as making unwanted alterations to the way they operate and the way they look. For instance, it is highly likely that if a browser hijacker gets installed on your PC and added to your browser, it would impose a new search engine, homepage or new-tab page replacing the ones that were there previously and making it really difficult to revert the imposed changes. Another particularly unpleasant ability of hijacker apps is their tendency to redirect the user’s searches to sites and pages that are different than the ones that the user actually attempted to visit. All of this is, of course, done for the purpose of promoting something be it a software product, an online store, an Internet service or something else. In fact, online advertising is the main reason such apps get created – browser hijackers are basically specialized online marketing tools which is the reason why they are programmed to mess with the user’s browser and fill it with all kinds of advertisements.

WindowGroup is on Mac

Of course, pretty much no one would be willing to put up with this. Pretty much every user who faces a hijacker app wants to quickly uninstall the undesirable software piece so that their browser could go back to normal. The thing is, though, that it might not always be so easy to get rid of a browser hijacker. In fact, most such apps lack a built-in uninstallation function. There is likely not going to be an uninstallation executable file and maybe not even a program entry under the list of installed programs in your Control Panel from where most programs on the PC can be uninstalled. Furthermore, it’s likely that you won’t be able to find any directory related to the hijacker which further hinders the successful removal of the pesky software component. On top of all that, it’s possible that even if you manage to disable the hijacker from within your browser, the unwanted app would return the next time you start a new browsing session. Still, despite all that, removing a hijacker isn’t as complicated as getting rid of a Trojan Horse infection or as difficult as dealing with a Ransomware attack. Below, we will provide you with instructions regarding the manual removal and uninstallation of a hijacker named WindowGroup which is currently one of the most widespread representatives of the hijacker family and also the likely reason why a lot of you have come to this article. Aside from the manual instructions, in the guide, you’d also find a removal tool for the automatic elimination of the intrusive software. You can use either of the methods or a combination of both of them in order to eliminate the unwanted piece of software. Just make sure that you take care of this issue on time in order to avoid any unforeseen consequences.

What is WindowGroup?

WindowGroup is regarded as a type of a browser hijacker. Threats like WindowGroup are known to cause different problems like changing of the user’s designated home page or even the preferred browser of choice.

Apps like WindowGroup, Cover Open, Bing Redirect are no viruses – they won’t typically try to harm the system of your PC or mess with any of the files that are on your HDD. Sure, a lot of users might refer to WindowGroup as a virus but remember that there is a very big difference between this hijacker and a real malicious malware threat like, for instance, a Ransomware infection, a Trojan Horse, a Spyware program, a Rootkit or some other similar piece of malware. That said, there are certain risk factors that need to be taken into account when talking about hijackers. While WindowGroup is likely not going to try to cause any harm to your machine, its advertisements and page redirects might at times be unsafe. Generally, any such uncontrolled stream of advertisements going to your browser should be regarded as a potential risk which is why you are advised to keep away from the ads and the redirects regardless of how interesting and attractive some of them might seem.

Another thing to remember is to avoid spam messages, shady online offers and questionable sites and download sources in the future in order to prevent the installation of any more hijackers like WindowGroup on your PC. Also, remember to be careful when installing new apps and programs and always check the Advanced/Custom setup options to see if there aren’t any bundled apps there that might be unwanted hijackers. Should you come across anything questionable when going through the installation manager of a new program, be sure to uncheck it before launching the start of the installation.


Name WindowGroup
Type Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms  The usual symptoms one can expect are many ads getting generated in the browser and certain browser modifications that the hijacker has imposed  without asking for a permission.
Distribution Method Mostly through random web ads, spam e-mail attachments, torrent and video streaming sites, adult sites and also through file bundles.
Detection Tool

Remove WindowGroup Mac App Virus


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 ComboCleaner to see if it can detect parasite files for you.

The first thing you need to do is to Quit Safari (if it is opened). If you have trouble closing it normally, you may need to Force Quit Safari:

You can choose the Apple menu and click on Force Quit.

Alternatively you can simultaneously press (the Command key situated next to the space bar), Option (the key right next to it) and Escape (the key located at the upper left corner of your keyboard).

If you have done it right a dialog box titled Force Quit Applications will open up.

In this new dialog window select Safari, then press the Force Quit button, then confirm with Force Quit again.

Close the dialog box/window.



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 ComboCleaner
a professional malware removal tool.

More information on ComboCleaner, steps to uninstallEULA, and Privacy Policy.

Start Activity Monitor by opening up Finder, then proceed to activity-monitor

Once there, look at all the processes: if you believe any of them are hijacking your results, or are part of the problem, highlight the process with your mouse, then click the “i” button at the top. This will open up the following box:


Now click on Sample at the bottom:


Do this for all processes you believe are part of the threat, and run any suspicious files in our online virus scanner, then delete the malicious files:

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Virus Scanner Result


The next step is to safely launch Safari again. Press and hold the Shift key while relaunching Safari. This will prevent Safari’s previously opened pages from loading again. Once Safari is opened up, you can release the Shift key.

On the off chance that you are still having trouble with scripts interrupting the closing of unwanted pages in Safari, you may need to take some additional measures.

First, Force Quit Safari again.

Now if you are using a Wi-Fi connection turn it off by selecting Wi-Fi off in you Mac’s Menu. If you are using a cable internet (Ethernet connection), disconnect the Ethernet cable.


Re-Launch Safari but don’t forget to press and hold the Shift button while doing it, so no previous pages can be opened up. Now, Click on Preferences in the Safari menu,

Preferences in Safari

and then again on the Extensions tab,

extensions in safari

Select and Uninstall any extensions that you don’t recognize by clicking on the Uninstall button. If you are not sure and don’t want to take any risks you can safely uninstall all extensions, none are required for normal system operation.

The threat has likely infected all of your browsers. The instructions below need to be applied for all browsers you are using.

Again select Preferences in the Safari Menu, but this time click on the Privacy tab,
Privacy in Safari

Now click on Remove All Website Data, confirm with Remove Now. Keep in mind that after you do this all stored website data will be deleted. You will need to sign-in again for all websites that require any form of authentication.

Still in the Preferences menu, hit the General tab

General Tab in Safari

Check if your Homepage is the one you have selected, if not change it to whatever you prefer.
Default Home Page

Select the History menu this time, and click on Clear History. This way you will prevent accidentally opening a problematic web page again.

firefox-512 How to Remove WindowGroup From Firefox in OSX:

Open Firefoxclick on mozilla menu (top right) ——-> Add-onsHit Extensions next.

pic 6

The problem should be lurking somewhere around here –  Remove it. Then Refresh Your Firefox Settings.

chrome-logo-transparent-backgroundHow to Remove WindowGroup From Chrome in OSX:

 Start Chrome, click chrome menu icon —–>More Tools —–> Extensions. There,  find the malware and  select  chrome-trash-icon.

pic 8

 Click chrome menu icon again, and proceed to Settings —> Search, the fourth tab, select Manage Search Engines.  Delete everything but the search engines you normally use. After that Reset Your Chrome Settings.

If the guide doesn’t help, download the anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!

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