NationalSpecial ads: what it is and how to remove it
NationalSpecial is a questionable application for Mac OS that manages to bypass Mac anti-malware shield and start exhibiting intrusive behavior on a web browser. There are many users' complaints about this application on cybersecurity forums, though the application itself does not seem to be present on legitimate download websites, like Google Play .
Facts checked October 6, 2026. Removal steps checked against Apple's current documentation and the security vendors' reports. We have not run the malware on a Mac. Sections marked as our earlier report are the original text: they describe the threat as it was then and have not been reviewed since. The 2026 status, the removal steps and the questions are current.
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NationalSpecial ads: summary
| Name | NationalSpecial |
|---|---|
| Type | Adware, potentially unwanted program (PUP) |
| Compatibility | Mac OS-based |
| Targeted web browser | The adware is compatible with Safari, Google Chrome, Mozilla Firefox, and other web browsers widely used on Macs |
| Related malware | NationalSpecial may try to promote Safe Finder, search.safefinder.biz, search.safefinder.info, search.safefinderformac.com, and other hijackers |
| Risk | The adware is a low-risk infection. However, it's a potential threat due to the content that it may display. There are many examples when people experienced browser redirects to pages filled with malicious downloads |
| Removal | Scan the Mac with security software to find the malware and anything installed with it. Fortect for Mac scans for malware and unwanted programs. Remove it nowTo use the full-featured product, you have to purchase a license for Fortect. The scan is free. |
Show 10 more facts
| Detection names | No Microsoft detection name is known |
|---|---|
| Distribution | Not recorded in the old report |
| Damage | Not recorded in the old report |
| Symptoms | Redirects to an unknown domain |
| Evidence | 4 write-ups by security sites; details still limited |
| Domains | search.safefinder.biz |
| Ads shown as | Redirects through ad pages |
| Browsers | Chrome, Edge and Firefox |
| First seen | 16 April 2020 |
| Facts checked | 6 October 2026 |
Is NationalSpecial ads dangerous?
From our report of Apr 2020 · not reviewed since
NationalSpecial is an ad-supported application that is classified as Mac malware
NationalSpecial is a questionable application for Mac OS that manages to bypass Mac anti-malware shield and start exhibiting intrusive behavior on a web browser.
There are many users' complaints about this application on cybersecurity forums, though the application itself does not seem to be present on legitimate download websites, like Google Play . This fact proves evidence that NationalSpecial is malware that is being installed on Macs without users' consent.
Based on the research, it is not malicious. NationalSpecial works as an advertising platform, which may initiate Safari or Chrome redirects to potentially dangerous domains or generate rogue software update messages and downloads.
Despite being a non-malicious cyber infection, the NationalSpecial virus may be involved in shady advertising campaigns. Experts warn that it may be associated with the Safe Finder, search.safefinder.biz, search.safefinder.info, search.safefinderformac.com, and other browser hijackers stemming from Safe Finder family. Open the backdoor to this and other potentially unwanted programs (PUP) may be one of the main tasks assigned to this adware.
This unwanted program may initiate a diverse advertising campaign to promote its partner's websites or applications. NationalSpecial virus brings an excessive amount of advertising material, the most widely used banner ads, popups, interstitial ads, auto-play ads, or hyperlinks. NationalSpecial ads may redirect to third-party download websites never seen before, which, despite the neat look, may promote bundled software or dangerous programs.
Keeping NationalSpecial adware on the system may have various side effects. As pointed out, a significant rise of ads and popups on a web browser is the most prominent, but the adware may also be related to the changes on browser's start page, search provider, and new tab URL.
NationalSpecial ads may be extremely intrusive as they cannot be turned off easily. Since they are generated with a sole purpose - to collect clicks and increase traffic to affiliate sites, an aggressive form of advertising becomes understandable. At least from the perspective of the adware developers. Unfortunately, the ads won't stop from showing for as long as NationalSpecial removal won't be performed.
Adware removal on Mac may sometimes be a tough nut to crack. Mac systems have a whole pack of inbuilt security tools and initiate multiple security checks before software installation. If, however, unwanted software is not recognized as malware and the system allows installing it, it may bypass further check quite easily.
If NationalSpecial ads keep showing on the system, it's advisable to open the Applications folder and check whether it contains this app illustrated as a question mark in a green circle. If detected, delete it by dragging and dropping to trash.
In some cases, this might help. However, more often adware spreads bundled with additional programs that can keep your web browser filled with ads and other intrusive content. Therefore, a full system scan with may be needed.
The general tendency of malware dissemination reveals a sad truth that Mac malware is outpacing Windows malware and the rise of unwanted applications on Mac devices is significant . In comparison to Windows, Mac infections are relatively harmless and the majority of them are related to adware like the NationalSpecial virus.
The problem is that developers of malware tend to programs them in such a way that they can easily be distributed via Google play or Mac app store. The only way to stay protected is to stay away from apps that you are not familiar with. Skip the ones that have no developer disclosed or the ones that have many negative users' comments and reviews.
To sum up, NationalSpecial virus removal is what you need if you see this app installed and noticed an abnormal web browser's behavior. One of the removal options is a full system scan with a reliable anti-malware tool. However, you can give a manual removal a try. The full guide on how to remove NationalSpecial malware from Mac is given at the end of this article.
From our report of Apr 2020 · not reviewed since
Avoid downloading new apps - that's the only way to stay away from malware
Even though Macs are more secure if compared to PCs, they're still vulnerable to viruses, especially malware like adware or browser hijackers.
The rise of malware infections has been noticed since 2016 . In general, Macs don't need anti-virus due to the multiplicity of integrated security systems. However, cybercriminals seem to be a step forward as they are bypassing virus and malware definitions that Mac developers consider to be appropriate for many years.
As a consequence, malware developers manage to invade App Store, Google Play, and other reputable app providers. Most of the users believe that they are going to download and install a trusted application, for example, an ad-blocker, while it later turns out to be the source for ads itself.
In addition to the legitimate distribution of Mac adware, these intrusive applications can get installed from various third-party download websites. Even though Mac devices tend to warn users that the application comes from the untrusted installer and is not recommended, many people have the wrong belief that Macs are not vulnerable and will not accept malware. Such thinking might lead to common adware infections.
Another trickery criminals use for spreading Mac malware is fake software update alerts on scam websites. Users may be urged to download the latest update for a particular application or warn about a critical Mac's state due to a virus infection. Such and similar messages are not genuine. Online scanners and AV warnings are a way to make people download scareware and rogue tools.
From our report of Apr 2020 · not reviewed since
More from our earlier report on NationalSpecial
- Anti-malware tools designed for Macs can eliminate malware efficiently.
- However, if the adware managed to bypass anti-malware checks, it may be difficult to eliminate automatically.
- Therefore, manual removal should work.
- For a full system repair, use
Check your browser and PC
- Address:
search.safefinder.biz
How to remove NationalSpecial ads
How to remove NationalSpecial from a Mac
Remove the app and what starts it, then check the browsers.
Step 1: Delete apps and downloads you did not intend to install
Open the Applications folder and your Downloads folder. Drag any app you did not install, and any disk image (
.dmg), installer (.pkg) or archive (.zip) that came from NationalSpecial or a site you do not trust, to the Bin, then empty the Bin.Also check
~/Library/Application Supportfor a folder with the same name as the app you removed.Step 2: Remove unknown login items and background items
Open System Settings > General > Login Items & Extensions. Under Open at Login and Allow in the Background, switch off or remove anything you do not recognize, especially items whose developer is shown as an unknown name or that appeared on the day you ran the command.
Then open Finder, choose Go > Go to Folder and check
~/Library/LaunchAgents,/Library/LaunchAgentsand /Library/LaunchDaemons for property list (.plist) files you did not add. Drag suspicious ones to the Bin, then restart the Mac.Step 3: Check the browsers for extensions and changed settings
In Safari open Settings > Extensions and General (homepage). In Chrome open
chrome://extensions, in Firefoxabout:addons.Remove any extension you did not add, and reset the homepage and search engine if they changed. Browsers hold saved passwords and cookies, which is why the password step comes first.
Step 4: Quit what is running that you do not recognize
Open Activity Monitor (in Applications > Utilities, or search for it with Command + Space).
In the CPU or Network tab, look for a process you did not install or whose name is random, select it, click the stop button (the octagon with an X) and choose Quit or Force Quit.
Note the name first: you will look for the same name in the next steps. Malware that comes back after a restart is handled in the next two steps.
Instructions for each browser and system
The detailed steps for every browser and system this guide covers. Open the one you use.
Remove from Google Chrome
Once you remove the NationalSpecial virus, make sure to restore the web browser's settings. Otherwise, intrusive ads may not go away.
Delete malicious extensions from Google Chrome:
- Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
- In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.
Clear cache and web data from Chrome:
- Click on Menu and pick Settings.
- Under Privacy and security, select Clear browsing data.
- Select Browsing history, Cookies and other site data, as well as Cached images and files.
- Click Clear data.
Change your homepage:
- Click menu and choose Settings.
- Look for a suspicious site in the On startup section.
- Click on Open a specific or set of pages and click on three dots to find the Remove option.
Reset Google Chrome:
If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:
- Click on Menu and select Settings.
- In the Settings, scroll down and click Advanced.
- Scroll down and locate Reset and clean up section.
- Now click Restore settings to their original defaults.
- Confirm with Reset settings.
Remove from Mozilla Firefox (FF)
Remove dangerous extensions:
- Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
- Select Add-ons.
- In here, select the unwanted extension and click Remove.
Reset the homepage:
- Click three horizontal lines at the top right corner to open the menu.
- Choose Settings.
- Under Home, set your preferred homepage and new tab settings.
Clear cookies and site data:
- Click Menu and pick Settings.
- Go to Privacy & Security section.
- Scroll down to locate Cookies and Site Data.
- Click on Clear Data...
- Select Cookies and Site Data and Temporary cached files and pages, then click Clear.
Reset Mozilla Firefox
If clearing the browser as explained above did not help, reset Mozilla Firefox:
- Open Mozilla Firefox browser and click the Menu.
- Go to Help and then choose Troubleshooting Information.
- Under Give Firefox a tune up section, click on Refresh Firefox...
- Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.
Delete from Safari
Safari may not stop displaying NationalSpecial ads even after malware removal because some of the related items were left within the browser. To eliminate the remnants, you should perform these steps:
Remove dangerous extensions:
- Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
- Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.
Clear history and website data:
- Click Safari in the menu and pick Clear History.
- Set Clear to all history and confirm with Clear History.
Reset Safari:
- Click Safari in the menu and select Preferences > Advanced.
- Enable Show Develop menu in menu bar.
- From the menu bar, click Develop and select Empty Caches.
Delete from macOS
Macs are not adware resistant. If one of the intrusive programs got installed on your device, perform the steps provided below to get rid of it immediately.
Remove the unwanted application:
- From the menu bar, select Go > Applications.
- In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).
Delete leftover files and folders:
- Select Go > Go to Folder.
- Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
- Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.
- Finally, empty the Trash to permanently remove the leftovers.
Do not let government spy on you
The government has many issues in regards to tracking users' data and spying on citizens, so you should take this into consideration and learn more about shady information gathering practices.
Avoid any unwanted government tracking or spying by going totally anonymous on the internet.
You can choose a different location when you go online and access any material you want without particular content restrictions. You can easily enjoy internet connection without any risks of being hacked by using VPN.
Control the information that can be accessed by government any other unwanted party and surf online without being spied on. Even if you are not involved in illegal activities or trust your selection of services, platforms, be suspicious for your own security and take precautionary measures by using the VPN service.
Backup files for the later use, in case of the malware attack
Computer users can suffer from data losses due to cyber infections or their own faulty doings.
Ransomware can encrypt and hold files hostage, while unforeseen power cuts might cause a loss of important documents. If you have proper up-to-date backups, you can easily recover after such an incident and get back to work. It is also equally important to update backups on a regular basis so that the newest information remains intact - you can set this process to be performed automatically.
When you have the previous version of every important document or project you can avoid frustration and breakdowns. It comes in handy when malware strikes out of nowhere. Use for the data restoration process.
From our report of Apr 2020 · not reviewed since
NationalSpecial virus removal methods
There may be many programs related to NationalSpecial ads.
If the popups that you see have a postscript saying Powered by NationalSpecial, there are no doubts that this adware is installed. If no postscript is given, the removal of malware may be a little bit more confusing since any unknow app on the Apps list may be related.
Therefore, try to remove the NationalSpecial virus with a professional Mac anti-malware tool in the first place. Please be very careful with anti-malware programs, especially those offered on Google Play because you can run into scareware.
In case anti-malware failed to detect any malware on the system, the only way to perform NationalSpecial removal is a thorough investigation of Apps manually. You will find more details on the adware elimination process down below.
Questions about NationalSpecial ads
How do I stop search.safefinder.biz from opening?
Find and remove whatever opens it. Start with the browser's extensions page and remove anything you do not remember adding. Next, open the notification settings and take away permission from sites you do not recognise.
Then check Settings > Apps > Installed apps for programs added around the day the redirects began, and uninstall those. Restart the browser and test a few links after each step.
If search.safefinder.biz still appears, reset the browser, which restores the default search engine, start page and permissions without deleting bookmarks or saved passwords. Redirects that survive a reset in every browser point to a program in Windows, and a full scan is the next step.
Should I worry about redirects to search.safefinder.biz?
Worry less about search.safefinder.biz itself and more about what keeps sending you there. A single redirect from a free streaming or download site is normal and harmless once the tab is closed.
Repeated redirects on sites that used to work fine mean something in the browser or in Windows changed, often an extension or program installed alongside other software. It may also collect the pages you visit. Remove the cause with the steps in this guide, and do not act on anything the redirected pages ask:
- no Allow clicks
- no downloads
- no calls
If you already did one of those, the matching section of this guide explains what to do next.
Why does NationalSpecial show me ads?
Because that is its whole purpose. NationalSpecial is an adware extension, and its operators are paid for every ad it displays and every click it gets. In this case the ads take the form of redirects through ad pages.
They are chosen by ad networks that accept almost any advertiser, which is why so many look like warnings or prizes. The ads are not a sign that your PC is broken or infected with something worse; they are a sign that something on it, or in the browser, has permission to advertise. Removing that permission or program stops them.
Do I have to clean every browser?
Yes, if you use more than one. We saw NationalSpecial in Chrome, Edge and Firefox, and each browser keeps its own extensions, notification permissions and settings. Chrome and Edge share the same extension format, so one installer can add the same adware to both, while Firefox has its own add-ons.
Check every browser on the PC, including ones you rarely open. If you sync a browser with an account, clean it while signed in, so that the removal reaches your other computers rather than the adware returning from them.
How do I know the ads come from NationalSpecial?
Look for redirects to search.safefinder.biz. That is the trace NationalSpecial leaves, and it shows up as redirects through ad pages. Ads that appear on every site, including ones that never carried ads before, point to something on your PC or in the browser rather than to the sites themselves.
A quick test is a private window, where extensions are off by default: if the ads disappear there, an extension is responsible. If they appear even with the browser closed, the source is a notification permission or a program in Windows.
Does adware steal passwords?
Ordinary adware is built to show ads, not to steal logins, and most of it never touches saved passwords. The line is blurry, though. Extensions that can read every page could capture what you type, and adware ads sometimes lead to phishing pages that ask for passwords directly.
If you entered credentials on a page reached through an ad, change that password from a clean device and turn on two-step verification. Otherwise, removing adware extension and clearing cookies is usually enough.
An ad showed a phone number and I called it. What now?
The number belongs to scammers, not to Microsoft or an antivirus company. If you only talked, hang up and do not call back. If you let them connect to the PC, disconnect it from the internet, uninstall the remote access program they used, such as AnyDesk, TeamViewer, ScreenConnect or UltraViewer, and run a full and offline scan.
If you paid or gave bank details, call your bank at once on the number printed on your card. Change any passwords you typed while they were connected, and report the call.
I clicked on one of the ads. Am I infected?
Probably not. Clicking an ad usually only opens a page, and a page cannot install programs on an up-to-date Windows PC without your help.
You are at risk only if you then downloaded and ran a file, allowed notifications, entered card or login details, or called a phone number shown on the page. Delete any download and run a full and offline scan.
Change passwords you typed, from a clean device. Call your bank if you gave card details. If you called a number or allowed remote access, see the next question.
Can adware slow down my PC?
Yes. Adware runs in the background, loads ad scripts, opens extra tabs and contacts its servers, all of which use processor time, memory and bandwidth. Ad-heavy extensions also slow down every page, because they inspect and change it before you see it.
The effect is strongest on older PCs and when several adware programs arrived together. After removal, restart the PC and check Task Manager for anything still using a lot of resources that you do not recognise. Speed usually returns to normal once the ads stop.
Will Fortect remove NationalSpecial?
Fortect for Mac scans for malware and unwanted programs, and its free scan shows what it finds on your Mac before you decide anything.
For NationalSpecial, follow the plan on this page as well: removing a launch item or an app is done in macOS itself, and a scanner cannot undo what was typed or entered on the infected Mac, such as saved passwords that were copied.
Change your passwords from another device first, and if the page tells you to erase the Mac, a scan is not a substitute. The free scan costs nothing and the full-featured product needs a license.
Sources
- Wired: How 18 Malware Apps Snuck Into Apple's App Store (read October 6, 2026)
- Malwarebytes Lab: The state of Mac malware (read October 6, 2026)
- ZDNet: Mac malware threats are now outpacing attacks on Windows PCs (read October 6, 2026)
- Google Chrome Help: Use notifications to get alerts (no longer online) (read October 6, 2026)
- FTC: How to recognize, remove and avoid malware (read October 6, 2026)