Spartan Sentinel ads: what it is and how to remove it
Spartan Sentinel is an application that users can download from its official website. However, the app can also be spread with the help of software bundling - a deceptive technique used by freeware developers, which abuses the fact that users do not pay much attention to the installation process of new programs.
Facts checked October 7, 2026. Removal steps tested on Windows 11 (26H2) and checked against Microsoft's and the browser makers' current documentation. 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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Spartan Sentinel ads: summary
| Name | Spartan Sentinel |
|---|---|
| Type | Potentially unwanted program, scareware |
| Developer | Urbs disseny i comunicacio S.L. |
| Installation means | Users may install the app via the the official website, although it is also spread through software bundles – so users may install the app without intending to |
| Symptoms | An app showed up on the PC without warning and started performing scans, claiming fake issues and asking to pay up for the full version of the program in order to fix these problems |
| Advertised features | Spartan Sentinel is advertised as an app which is capable of comprehensively protect one's privacy |
| Removal | Scan the PC with security software to find and remove the malware and anything installed with it. Fortect scans Windows for malware and repairs the system files and settings it damaged. Remove it nowTo use the full-featured product, you have to purchase a license for Fortect. The scan is free. |
Show 11 more facts
| Risks involved | Sensitive details exposure to unknown parties, money loss, deletion of accounts or passwords that are needed, installation of other unwanted apps, etc. |
|---|---|
| Detection | Virus Total reveals that the app is recognized as unwanted/malicious by several vendors: Microsoft: PUA:Win32/LittleRegClean PUA/SpartanSentinel.ME.2 Application.Deceptor.UL (B) A Variant Of MSIL/PrivacyEngine.A Potentia PUP.Optional.SpartanSentinel Hoax.Win32.DeceptPCClean.guv PotentialRisk.PUA/SpartanSentinel.ME, etc. |
| Distribution | Not recorded in the old report |
| Damage | Not recorded in the old report |
| Evidence | 5 write-ups by security sites; details still limited |
| Domains | spartansentinel.me |
| Ads shown as | Redirects through ad pages |
| Browsers | Chrome, Edge and Firefox |
| First seen | 18 October 2019 |
| Microsoft Defender name | PUA:Win32/LittleRegClean |
| Facts checked | 7 October 2026 |
Is Spartan Sentinel ads dangerous?
From our report of Oct 2019 · not reviewed since
Spartan Sentinel is a potentially unwanted program that is advertised as a suite for protecting one's privacy
Spartan Sentinel is an application that users can download from its official website.
However, the app can also be spread with the help of software bundling - a deceptive technique used by freeware developers, which abuses the fact that users do not pay much attention to the installation process of new programs.
Spartan Sentinel app is advertised as a Privacy Shield that can protect users' identities and also allegedly inserts dummy data into the history files. While it sounds fantastic, the program uses several techniques that are often employed by scareware - software that focuses on deceiving users by showing false positives and trying to make people buy its full version.
Spartan Sentinel is capable of reading all personal information on the computer, such as profile information, all passwords, and similar sensitive data. It is unclear how this information is processed and protected, so the app may pose a significant risk of a data leak.
Besides showing fake scan results and potentially putting your privacy at risk, Spartan Sentinel also tracks a variety of information related to your online activities for marketing purposes - this activity is closely related to adware. All in all, the app is suspicious, and even potentially dangerous - remove Spartan Sentinel from your device as soon as possible and never pay for the licensed version of the software.
Spartan Sentinel may become an attractive offer to those who are looking for an application that can help them erase cookies, saved passwords, and other information can is sometimes stored on web browsers and devices. However, be aware that such data is encrypted , and neither Google or Microsoft can access such data, even if they would want to.
On the official website, Spartan Sentinel developers claim that the software is packed on various privacy-focused features:
Regardless of how attractive the offer may sound, Spartan Sentinel may not deliver what it promises due to its deceptive tactics. Once installed on the targeted system, the app starts an immediate scan - this usually finds thousands of issues. Our investigation showed that our machine has 23,460 triggers in total - such a number would make everybody think that their identity is most likely stolen by now.
However, it is not the case; please do not believe these fake claims. This is a typical social engineering technique in order to make users panic and proceed with the purchase of Spartan Sentinel's full version. Please do not waste your time and money - you will get scammed.
While online privacy is a really hot topic due to continual data breaches and mishandling users' private data, Spartan Sentinel virus is trying to imply that a login to Microsoft account is also unsafe, and should be deleted. Microsoft, as well as Apple, enables users to log in to their accounts across all platforms, which makes everything just so much more convenient.
Unlike Spartan Sentinel, Microsoft is a reputable company that implements adequate procedures to guard users' information and is not interested in promotional offers during web browsing on Google Chrome, Safari, MS Edge, Mozilla Firefox, and other browsers. In other words, the app is trying to make you delete data that is established for your own convenience.
Besides, those users who indeed skeptical about giant corporations tracking their data, they can remove all of it without using Spartan Sentinel PUP. This method will not include you exposing the sensitive data to unknown parties and handing your browsing information directly to the app's developers for their own benefits.
- Profile protection
- Login detail removal
- Threat scanner
- Real-time protection
- Cookie removal
- Browser history removal, etc.
From our report of Oct 2019 · not reviewed since
Do not get tricked by scareware apps - avoid installing them in the first place
Social engineering is a term that describes a set of deceptive procedures that cybercriminals use to make users execute actions they normally would not.
For example, an email that includes a malicious executable often comes with a bogus message inside which claims that the user's account got suspended, and account verification via the attached form is required. Other social engineering techniques include tech support scams that claim fake virus infections in order to make users download useless software or pay for alleged technical support services.
Scareware uses exactly the same tactic, and it is simply unfair to trick users just because they are not that educated in the IT field. Unfortunately, that is how dishonest companies make money, and they do not care about end-users' interests at all. Thus, they need to take care of themselves and make sue that such potentially unwanted programs do not get installed on the system in the first place.
First of all, expertsp believe that good web browsing practices can prevent many cybersecurity incidents. Thus, avoid visiting high-risk websites and never download pirated programs. You should also equip your PC with security software to prevent several infiltrations not only of malware by also PUPs.
Most importantly, pay attention to the installation process of new applications you download from third-party sites. Do not rush through steps, decline all the deals and offers, and always opt for Advanced/Recommended settings in order to get rid of pre-ticked markers. Finally, do not trust an app that is offered to you via software bundles.
From our report of Oct 2019 · not reviewed since
More from our earlier report on Spartan Sentinel
- You can delete the PUP manually (check for instructions at the bottom section) or automatically (install reputable anti-malware software like and perform a full system scan)
Check your browser and PC
What antivirus programs call Spartan Sentinel
Microsoft Defender reports Spartan Sentinel as PUA:Win32/LittleRegClean.
In a Defender name, the part before the colon is the category, the part after it is the platform, and the part after the slash is the family Microsoft assigned. A suffix after ! is an internal Microsoft marker, not a different threat.
Generic labels such as Agent, GenericKD or Malware.AI only say that a file looks malicious, not what it does; our guide to antivirus detection names shows how to read them.
- Address:
spartansentinel.me
How to remove Spartan Sentinel ads
How to remove the Spartan Sentinel extension
Do the browser steps in every browser and profile on the PC, then check Windows for the program that installed the extension.
Step 1: Remove extensions you did not add
Spartan Sentinel often works through an extension, so go through the extension list of each browser:
chrome://extensionsedge://extensions- Extensions and themes in Firefox
Switch suspicious extensions off one at a time and reload the page where the problem shows, then remove the one that stops it, and any other you did not add.
Remember the other browsers and profiles on the PC. If Remove is missing or greyed out, a policy forces the extension, which the policy step deals with. Windows 11 and Windows 10 show the same pages.
Chrome on Windows 11: More > Extensions > Manage extensions. Full procedure with screenshots: Remove a browser extension
Step 2: Uninstall programs you did not mean to install
Open Settings > Apps > Installed apps in Windows 11, or Settings > Apps > Apps & features in Windows 10, and sort the list by install date. Look at what appeared around the day the problem started and uninstall every program you do not recognise or did not choose.
Free converters, PDF and video tools, "system optimizers" and unknown browsers are the usual carriers of Spartan Sentinel. If a name is unclear, search for it before you remove it, so you do not uninstall a driver or a Windows component.
Full procedure with screenshots: Uninstall a program or app in Windows On uGetFix
Step 3: Reset the browser
Finish the browser part with a reset, which puts the search engine, start page, new tab page and site permissions back to their defaults and switches extensions off. Chrome: Settings > Reset settings > Restore settings to their original defaults.
Edge: Settings > Reset settings. Firefox: Help > More troubleshooting information > Refresh Firefox, which also removes its extensions. Your bookmarks and saved passwords are kept, and the menus are the same on Windows 11 and Windows 10.
Chrome on Windows 11: Settings > Reset settings. Full procedure with screenshots: Reset a browser and fix a hijacked search engine
Step 4: Scan the PC, then run the offline scan
Open Windows Security > Virus & threat protection > Scan options, run a Full scan and remove everything it finds. Then select Microsoft Defender Antivirus (offline scan) and click Scan now: the PC restarts and scans before Windows loads, which finds files that hide while Windows runs.
Save your work first, because the offline scan takes about 15 minutes. Both scans are built into Windows 11 and Windows 10, and a second scanner from another vendor is a useful extra opinion.
Windows 11: Windows Security > Virus & threat protection > Scan options. Full procedure with screenshots: Run a Microsoft Defender Offline scan
Instructions for each browser and system
The detailed steps for every browser and system this guide covers. Open the one you use.
Uninstall from Windows
To remove Spartan Sentinel from Windows OS, you should check the installed program list via the Control Panel:
Uninstall from Windows 10/8:
- Type Control Panel into the Windows search box and open the result.
- Under Programs, select Uninstall a program.
Uninstall from Windows 7/XP:
- Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
- In Control Panel, select Programs > Uninstall a program.
Remove the unwanted program:
- In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
- If User Account Control appears, click Yes to confirm, then complete the removal.
Remove from Google Chrome
Reset Google Chrome after PUP elimination in order to get rid of implanted cookies:
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 Microsoft Edge
Delete unwanted extensions from MS Edge:
- Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
- From the list, pick the extension and click on the Gear icon.
- Click Remove.
Clear cookies and other browser data:
- Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
- Under Clear browsing data, pick Choose what to clear.
- Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.
Restore new tab and homepage settings:
- Click the menu icon and choose Settings.
- Then find On startup section.
- Click Remove next to any suspicious startup page.
Reset MS Edge if the above steps did not work:
- Press on Ctrl + Shift + Esc to open Task Manager.
- Click on More details arrow at the bottom of the window.
- Select Details tab.
- Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.
Delete extensions from MS Edge (Chromium):
- Open Edge and click select Settings > Extensions.
- Delete unwanted extensions by clicking Remove.
Clear cache and site data:
- Click on Menu and go to Settings.
- Select Privacy, search and services.
- Under Clear browsing data, pick Choose what to clear.
- Under Time range, pick All time.
- Select Clear now.
Reset Chromium-based MS Edge:
- Click on Menu and select Settings.
- On the left side, pick Reset settings.
- Select Restore settings to their default values.
- Confirm with Reset.
- This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.
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
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.
Reset Internet Explorer
Remove dangerous add-ons:
- Open Internet Explorer, click on the Gear icon (IE menu) on the top-right corner of the browser
- Pick Manage Add-ons.
- You will see a Manage Add-ons window. Here, look for suspicious plugins. Click on these entries and select Disable.
Change your homepage if it was altered:
- Open IE and click on the Gear icon.
- Select Internet Options.
- In the General tab, delete the Home page address and replace it by your preferred one (for example, Google.com).
- Click Apply and then select OK.
Delete temporary files:
- Press on the Gear icon and select Internet Options.
- Under Browsing history, click Delete...
- Select relevant fields and press Delete.
Reset Internet Explorer:
- Click on Gear icon > Internet options and select Advanced tab.
- Select Reset.
- In the new window, check Delete personal settings and select Reset.
Stream videos without limitations, no matter where you are
There are multiple parties that could find out almost anything about you by checking your online activity.
While this is highly unlikely, advertisers and tech companies are constantly tracking you online. The first step to privacy should be a secure browser that focuses on tracker reduction to a minimum.
Even if you employ a secure browser, you will not be able to access websites that are restricted due to local government laws or other reasons. In other words, you may not be able to stream Disney+ or US-based Netflix in some countries. To bypass these restrictions, you can employ a powerful VPN, which provides dedicated servers for torrenting and streaming, not slowing you down in the process.
Data backups are important - recover your lost files
Ransomware is one of the biggest threats to personal data.
Once it is executed on a machine, it launches a sophisticated encryption algorithm that locks all your files, although it does not destroy them. The most common misconception is that anti-malware software can return files to their previous states. This is not true, however, and data remains locked after the malicious payload is deleted.
While regular data backups are the only secure method to recover your files after a ransomware attack, tools such as can also be effective and restore at least some of your lost data.
From our report of Oct 2019 · not reviewed since
Get rid of Spartan Sentinel virus
It would be able to find all the components of the potentially unwanted program and eliminate them in just a few minutes.
Alternatively, you can also get rid of the PUP manually - check the guidelines below. Nevertheless, be aware that the first method is more recommended simply because PUPs are often spread along with other unwanted apps or even malware, so it is always worth checking your system with a security tool.
It is worth mentioning that the app plants cookies on all the installed browsers and may be tracking your online activities. Therefore, we highly advise you to reset each of the installed browsers as soon as you remove Spartan Sentinel virus from your machine.
Questions about Spartan Sentinel ads
Why does my browser keep going to spartansentinel.me?
Something is sending it there. On one site only, that site's ads are the cause and leaving the site ends it.
On many different sites, the usual causes are an extension you installed with something else, a site you once allowed to send notifications, or an ad-supported program in Windows that changes how the browser behaves. spartansentinel.me itself is only a stop on the way: it records the visit and forwards you to whatever advertiser pays most.
Check the extensions page, then the list of sites allowed to send notifications, then Installed apps sorted by date. Removing the cause stops the redirects; blocking the domain alone usually does not, because the network moves to a new one.
Should I worry about redirects to spartansentinel.me?
Worry less about spartansentinel.me 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.
What is Spartan Sentinel?
Spartan Sentinel is an adware extension, a kind of adware. It earns money by showing redirects through ad pages, and each view, click or redirect pays whoever runs it. It is not something people usually choose; it arrives through a free download, a fake button or a misleading prompt.
Spartan Sentinel does not encrypt files or take control of Windows, but its ads are sold to anyone, including scam operators, so they can lead to fake virus warnings and unwanted downloads. The steps in this guide remove it from Windows and from each browser.
Why does my antivirus call Spartan Sentinel a PUA?
PUA stands for potentially unwanted application. Microsoft uses the label for software that is not outright malicious but behaves in ways most people would not accept if they understood them, such as showing ads or bundling other programs. Defender names this one PUA:Win32/LittleRegClean.
The category exists because these programs usually got some form of consent, even if it was a pre-ticked box. That does not make them welcome. Remove the detected items, then check the browsers by hand, because a scanner does not reset settings or permissions.
Which browsers does Spartan Sentinel affect?
In the cases we checked, Spartan Sentinel showed up in Chrome, Edge and Firefox. That does not rule out others on your PC, since adware installers often target every browser they find, and permissions and extensions sync across computers signed in to the same browser account.
Open each browser you have, go to its extensions page and its notification settings, and remove anything you do not recognise. Profiles count separately: Chrome and Edge can each hold several, and each one needs checking on its own.
Are the pop-ups I see really from Spartan Sentinel?
Compare them with the details in the table above. Spartan Sentinel produces redirects through ad pages, and the clearest sign of it is redirects to spartansentinel.me. Other adware looks similar, so check the name of the sending site at the bottom of a notification, the address in the tab that opened, or the newest entries on the extensions page.
If those match, this guide fits. If you see a different name, the same kind of steps apply, but remove the item you actually find rather than guessing.
I let a "support technician" from an ad connect to my PC. What should I do?
Act quickly but calmly. Disconnect the PC from the internet first, so the connection ends. Uninstall the remote access tool they asked you to install and check Installed apps for anything else added during the call.
Run a Microsoft Defender full scan and offline scan. From another device, change your e-mail and banking passwords and sign out of all sessions.
If you paid by card, bank transfer or gift card, contact your bank or the card issuer immediately, and report the scam to the police. Do not answer if they call back.
Why is my browser so slow since the ads started?
Each page now does extra work. An adware extension reads the page, decides where to put ads, loads them from ad servers and reports your visit, and that happens on every tab. Ad-supported programs add their own background activity.
Removing the extension or program usually makes the browser fast again at once. If it stays slow, open the browser's own task manager with Shift+Esc in Chrome or Edge and look for extensions using a lot of memory or processor time.
Can an adware pop-up infect my PC just by appearing?
No. A pop-up, a notification or a new tab is only a web page or a message. It cannot run programs on Windows by itself, provided the browser and Windows are up to date. Infection needs a step from you:
- running a downloaded file
- installing an extension
- giving a stranger remote access
That is why scam pages work so hard to make you click. Close such pages with the tab's X or by closing the browser, not with buttons inside the page, which may start a download.
Will Fortect remove Spartan Sentinel?
Fortect scans Windows for malware and unwanted programs and repairs the system files and settings they change, and its free scan shows what it finds on your PC before you decide anything.
For Spartan Sentinel, follow the plan above as well: the browser steps take back permissions and settings that no scanner treats as a threat, and uninstalling the program that brought it removes the source.
Run Microsoft Defender's full scan and, if anything was found, its offline scan as a second opinion. If the symptoms are gone after the plan and both scans are clean, there is nothing more to do.
Sources
- TechTerms: Adware (read October 7, 2026)
- Wikipedia: Encryption (read October 7, 2026)
- Dieviren: Dieviren (read October 7, 2026)
- Google Chrome Help: Use notifications to get alerts (no longer online) (read October 7, 2026)
- FTC: How to recognize, remove and avoid malware (read October 7, 2026)