Value Know Mac

Value Know

Value Know is a browser hijacking application for Mac, which promotes sponsored websites by hijacking browsers and redirecting users’ searches. Value Know adds new browser features, such as new browser toolbars and buttons and places a new homepage and/or search engine.

Value Know Mac

The Value Know App will display pop up ads and windows

Value Know can take over almost any popular browser including Firefox, Chrome, and Safari since they are some of the most commonly used browsers that Mac users utilize. But, this doesn’t mean that if you are using another web browser, it won’t be targeted by Value Know. This browser hijacker can easily alter its settings as well.

The main objective of such software is to benefit its creators financially. This happens through sponsored redirects to specific web pages and through the generation of various aggressive ads, pop-ups, and banners during the users’ web browsing sessions. The more people are led to the advertised pages, the bigger the pay-per-click profits received by the creators of the browser hijackers. This is the overall behavior of applications of this type.

Value Know for Mac

Value Know for Mac is an ad-generating application that tends to hijack Mac browsers in order to reroute user searches to the pages it is intended to promote. Value Know for Mac is able to modify the browser’s settings by integrating helper components such as a new search engine, a sponsored homepage or some quick redirect buttons.

For example, the new search engine placed in your Mac browser by Value Know may automatically display some sponsored websites every time you search for something on the web. Or, the new homepage that has been placed now automatically opens a pre-defined URL the moment you start the browser. As a result, you may find it difficult to navigate past those sponsored pages and find the real search results you are interested in. Besides, you may frequently get interrupted by dozens of pop-up ads during your web surfing sessions and find yourself stuck in attempts to remove them from your screen. Not only can this be very annoying, but also, sometimes, the ads and the websites to which you are rerouted may mask phishing pages or hide threats, such as Ransomware viruses and Trojans.

What is Value Know?

Value Know is a browser extension for Mac optimized for pay-per-click advertising. Most commonly Value Know is used to spam the Mac browser with promotional ads, pop-ups and redirect links to sponsored websites.

In general, Value Know is not a serious danger to any Mac computer and cannot damage it or cause any significant disruption to its performance. Yet, such a browser hijacker doesn’t provide many practical functions that can compensate for its aggressive advertising behavior. Therefore, an app such as Value Know can certainly be considered potentially unwanted.

The ValueKnow app

The ValueKnow app is a browser hijacker piece of software that is capable of integrating with every Mac web browser and causing it to display questionable content or reroute to unknown pages. For this reason, the ValueKnow app should be removed and safely uninstalled from the compromised computer. If you don’t want to accidentally bump into websites that may contain Trojans, Ransomware viruses and other unreliable content, we suggest you check out the removal guide below and use it to uninstall this hijacker and protect your Mac.


Name Value Know
Type Browser Hijacker
Danger Level Medium (nowhere near threats like Ransomware, but still a security risk)
Symptoms Redirects to random websites, browser changes, intrusive ads all over the web browser’s screen.
Distribution Method Browser Hijackers are often distributed via free program bundles, torrents, click-bait ads, and spam messages.
Detection Tool

Not Available

Remove Value Know App

For a quick way to remove Value Know try to do this inside your Mac browser:

  1. Open your Mac browser.
  2. Go to Preferences.
  3. Now navigate to the extensions sub-menu.
  4. Look for any unfamiliar entries, including Value Know.
  5. Remove Value Know from your Mac as well as any other suspicious-looking items by clicking on the trash bin icon.

If this does not help then continue reading this article for more detailed instructions on how to get rid of Value Know!

Value Know 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.

Value Know Mac


Start Activity Monitor by opening up Finder, then proceed to Value Know 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:

Value Know Mac

Now click on Sample at the bottom:

Value Know 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:

Value Know 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
Value Know MacClamAV
Value Know MacAVG AV
Value Know MacMaldet

Value Know 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.

Value Know 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,

Value Know Mac

and then again on the Extensions tab,

Value Know 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.
Value Know 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,
Value Know 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

Value Know Mac

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

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

Value Know Mac How to Remove Value Know From Firefox in OSX:

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

Value Know Mac

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

Value Know MacHow to Remove Value Know From Chrome in OSX:

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

Value Know Mac

 Click Value Know 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.

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