7-day Free Trial w/Credit card, no charge upfront or if you cancel up to 2 days before expiration; Subscription price varies per region w/ auto renewal unless you timely cancel; notification before you are billed; 30-day money-back guarantee; Read full terms and more information about free remover.

*Source of claim SH can remove it.


ValidBoostfld is a Mac application that is used to redirect user searches to specific websites. Normally ValidBoostfld would facilitate some new search engine or a homepage and will start to spam the Mac browser with page-rerouting ads, pop-ups, and banners.Users tend to notice ValidBoostfld in their system very quickly – the number of intrusive advertisements, the long page-load time, the sudden page redirects to random web locations, and the unwanted browser changes are sure signs that you are dealing with this browser hijacker. Fortunately, this software is not malicious and users can uninstall it from their Mac if they follow certain instructions or use a professional removal tool like the one below. That’s why, if your Safari, Chrome, Firefox, or any other browser that you frequently use has been affected, don’t panic and make use of the information in the removal guide below.

The ValidBoostfld virus on Mac
The ValidBoostfld virus

ValidBoostfld for Mac

ValidBoostfld for Mac is often referred to as potentially unwanted software from the browser hijacker class. Normally ValidBoostfld for Mac will enter the user device with a free program installation kit and will get installed with it by default.The way the program becomes part of the system is often the reason why many people confuse it with a virus. Fortunately, the fact is, most browser hijackers are quite safe and are not related to harmful or criminal activities. Yet, they can prevent you from surfing the web in peace and may potentially lead to web locations that could be carriers of various infections such as Ransomware, Trojans and more.

What is ValidBoostfld?

ValidBoostfld is a browser hijacking program that can be very annoying. Once in the system, ValidBoostfld may modify the settings of the main search engine, place a new homepage URL, install some new toolbars and start to display various pop-up ads, banners and third-party promotional materials.The only way to stop these advertisements and remove the unwanted changes is to uninstall the program that generates them, and the removal guide below is all about this.There are many things to keep in mind when ValidBoostfld or Psoriasis is on your computer. This program is unlikely to cause fatal damage but it could heavily mess with your main Mac browser and the way it operates.  For instance, some of the hijacker’s page redirects may possibly lead to an obscure third-party website or perhaps to a virus-infected page. That’s why to avoid the risk, it is best to avoid such redirects and the random pop-up messages that prompt you to click on unfamiliar web locations.

The ValidBoostfld app

The ValidBoostfld app is a browser hijacking program for Mac that can cause a significant web browsing disturbance. The ValidBoostfld app is typically marketed as an add-on or a plugin to your main browser but once it gets installed it imposes its own settings.You could easily detect that your Mac browser has been hijacked if you suddenly begin to get excessive amounts of pop-up notifications, banner ads, and redirect links that prompt you to click on some pages or download some software.If you want to take control over your web browsing, we would suggest that you remove ValidBoostfld and reset your Mac browser’s settings with the help of the removal guide below. Don’t trust any advertising with anything coming from ValidBoostfld because, as we said, questionable web offers (or potential carriers of Ransomware, Spyware and other infections) may come your way when you least expect it.


Detection Tool

*Source of claim SH can remove it.

Remove “ValidBoostfld will damage your computer” from Mac

The following instructions will allow you to remove “ValidBoostfld will damage your computer” in two ways:

  • The manual instructions will allow you to remove it on your own by downloading 2 software suites which will show you the folders the threat is located in. Installing, scanning, and deleting everything will require 1-2 hours of your time, depending on your speed and the threat itself.
    Note: If “ValidBoostfld ” has an in-built ability to restore itself on a restart, the manual steps will not prevent that. We recommend the automatic removal.
  •  Download SpyHunter for Mac (one of the apps used in the manual instructions), scan with it, and if you decide to use the program, it will likely require about 15-20 minutes. This, however, requires an active subscription for SpyHunter, which means either to use the trial version or purchase the software.

Removal instructions:
1. Download EtreCheck from the Appstore and scan for any “ValidBoostfld ” unsigned files. Delete them. (You can skip this step altogether and download and scan with Spyhunter instead if you don’t want to double-check things).
2. Download and install Spyhunter for Mac. Scan for any malicious files.
3. The app will show you which files are infected. Either use SpyHunter to delete them for you (the automatic removal) or do it manually, which means tracking down each detected location by yourself and deleting the file.
4. In most cases start with /private/var/root/Library/Application Support/.”ValidBoostfld “/”ValidBoostfld “
5. In Finder press Shift+Command+G to open the Find window.
6. Search for the /var directory. Then proceed and look for the /root folder inside.
7. It will most likely be locked and you will need additional permissions to meddle with it.
8. Press command+I and scroll to sharing and permissions. Add your user name to permissions.
9. Now you should be able to access the /root folder and proceed and locate the /Library folder inside it. Proceed to do the same until you are inside the /Application Support folder.
10. It is possible that the folder you look for is hidden, if that is the case use command+shift+. to locate and find the file you want to delete.
11. Delete the “ValidBoostfld ” file.
12. If none of this helps, try the steps in this guide


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.

Leave a Comment