Chumsearch Mac



Chumsearch is a potentially unwanted piece of software, which operates as a browser hijacker on your Safari,Chrome, Firefox, or any other browser that you might be using. Usually, a browser hijacker like this one may appear on your default browser as a plug-in or an add-on, which causes modifications to your browser settings.

Chumsearch Mac

The Chumsearch Virus will redirect your browser.

Such applications typically begin their activity by changing the home page, the default search engine, and the new tab page, so once you open your browser you will automatically be faced with some of the pages the hijacker is trying to promote. The moment the hijacker has completed these changes, it usually starts to redirect people to predetermined sites to increase their popularity. By promoting these sites and helping them increase their traffic, the developers of the hijacker earn money via methods like Pay-Per-Click. Unfortunately, there is no guarantee that such sites are legitimate and harmless and some of them may be hiding viruses like Trojans, Ransomware, and other nasty computer threats. What is more, almost all browser hijackers have the ability to gather information about people’s browsing habits. Chumsearch “Virus”, for instance, may know what terms you use when searching, what sites you visit, what files you upload, what information you enter, and similar non-PII data. Then, the browser-redirecting software may reveal this valuable marketing data to third parties or sell it to advertisers for profits. It can be said that, generally, all programs categorized as browser hijackers are distributed for advertising purposes. But if you want to protect your personal space, regain control over your browser’s settings and improve the security of your computer, it is best to remove a hijacker like Chumsearch “Virus” from your system.

Chumsearch on Mac

Unlike the computer viruses, which are very dangerous and difficult to remove, you can remove a browser hijacker like Chumsearch fairly easy. Such unwanted applications will interfere mainly with your web browsing experience.

Depending on your level of computer skills, you can select between manual or automatic removal. The automatic removal is the easiest way to detect and delete the browser hijacker completely. For that, it is best if you use a professional software such as the Chumsearch removal tool from the current page. If you think that you don’t need an anti-malware program to help you with the task of removing the hijacker, you can always simply use the removal guide manual below and follow the steps provided in it in order to uninstall Chumsearch and remove all of its components from your computer and from your browsing programs.

What could be the effect of Chumsearch “Virus”on your system and on the computer performance?

The moment Chumsearch “Virus” enters the system, it may typically initiate the following activities:

  • Modify any browser’s settings and replace its homepage, default search engine or new tab page, add or remove bookmarks without your approval.
  • Redirect your searches to unfamiliar sites and aggressively promote certain ads, pop-ups, banners and new pages through your browser’s screen. Be careful with this activity because it may hide risks such as exposure to viruses (Ransomware, Trojans, Spyware, etc.) and unfamiliar or infected web locations.
  • Record information, related to your web activity, such as  visited sites, typed-in information, IP address, location, browser type, and so on.
  • Prevent you from reversing the browser changes and removing the software. Typically, Chumsearch will try to remain in your system for as long as possible, thus, it may hide its uninstallation options deep inside your system. It may also have helper scripts, which may reinstall the hijacker once you have removed it.
  • Issues related to system performance and stability. Sluggishness, unresponsiveness, and lags are commonly observed issues in the affected browser as well as sudden errors, crashes, and overall performance problems.

What distribution methods may Chumsearch “Virus” use to enter your system?

A program like Chumsearch is not considered to be a virus, thus, it can be found in many web locations, mostly distributed for free. Different download managers, video streaming programs, video recorders and similar free software may often be linked to questionable browser plugins and toolbars. Some websites may also offer free download applications, which could be bundled with a piece of software like Chumsearch. If a sudden popup notification asserts that your Java, Flash Player or FLV Player needs to be updated, you should better ignore it because it may just be a trick for spreading potentially unwanted or dangerous programs. Only trust update requests coming directly from your system and not from your browser.


Name Chumsearch
Type Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms Sudden page redirects, homepage or search engine changes, generation of ads, pop-ups and new tabs.
Distribution Method Software bundles, free software installers, ads, pop-ups, torrents, spam messages. 
Detection Tool

How To Remove Chumsearch from Mac

Chumsearch Mac

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.

Chumsearch Mac


Start Activity Monitor by opening up Finder, then proceed to Chumsearch Mac

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:

Chumsearch Mac

Now click on Sample at the bottom:

Chumsearch Mac

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:

Chumsearch Mac
Drag and Drop Files Here to Scan
Maximum file size: 128MB.

This scanner is free and will always remain free for our website's users. You can find its full-page version at:

Scan Results

Virus Scanner Result
Chumsearch MacClamAV
Chumsearch MacAVG AV
Chumsearch MacMaldet

Chumsearch Mac

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.

Chumsearch Mac

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,

Chumsearch Mac

and then again on the Extensions tab,

Chumsearch Mac

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.
Chumsearch Mac

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,
Chumsearch Mac

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

Chumsearch Mac

Check if your Homepage is the one you have selected, if not change it to whatever you prefer.
Chumsearch Mac

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

Chumsearch Mac How to Remove Chumsearch From Firefox in OSX:

Open Firefoxclick on Chumsearch Mac (top right) ——-> Add-onsHit Extensions next.

Chumsearch Mac

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

Chumsearch MacHow to Remove Chumsearch From Chrome in OSX:

Start Chrome, click Chumsearch Mac —–>More Tools —–> Extensions. There,  find the malware and  select  Chumsearch Mac.

Chumsearch Mac

Click Chumsearch Mac 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!


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.


  • You might first need to complete the manual instructions from the guide if the antivirus doesn’t work. Also, since you’ve bought the full version of the anti-malware tool, know that you are entitled to receive live support from its developers so you could also seek their help in order to deal with the issue. Nevertheless, we still advise you to complete our guide as your first step from now on.

  • Tell us exactly what happens when you try to use the anti-malware tool? Is it installed on your machine?

  • First of all, I think I acquired this with what I thought was an Adobe Flash popup update. The loading was very erratic and then this chumsearch was on my Mac.

    If your homepage is greyed out and won’t allow change do the following.

    This is how you remove Chumsearch. Delete Profiles:

    1. Open System Preferences

    2. Go to Profiles

    3. In the window that opens, choose the AdminPrefs and click the minus button on the bottom left – then click Remove – click OK.

    You’ll see a bunch of writing and chumsearch will be there. This is what locks your homepage. Also remove the chumsearch from extensions.

    Funny, Avast antiviral found 10 things, but the annoying chumsearch was not one.

    You can then change your homepage again. Hopefully it’s not hiding somewhere.

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