Ultimate Sport ads: what it is and how to remove it
Ultimate Sport, which is also known as UltimateSports.info, is an adware application that may work as a browser hijacker as well. Ultimate Sport can surprise the computer user by its existence on the computer because this program rarely gets installed with a straightforward user's permission.
Facts checked October 6, 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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Ultimate Sport ads: summary
| Detection names | No Microsoft detection name is known |
|---|---|
| Distribution | Not recorded in the old report |
| Damage | Not recorded in the old report |
| Name | Ultimate Sport ads |
| Type | Push-notification spam site |
| Symptoms | Notification spam from a website |
| 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 7 more facts
| Evidence | One write-up by a security site; details still limited |
|---|---|
| Domains | ultimatesports.info |
| Ads shown as | Desktop notifications |
| Browsers | Chrome, Edge and Firefox |
| Installed on the PC | Nothing; a browser notification permission only |
| First seen | 17 November 2015 |
| Facts checked | 6 October 2026 |
Is Ultimate Sport ads dangerous?
From our report of Nov 2015 · not reviewed since
What should I know about Ultimate Sport?
As we have already mentioned, Ultimate Sport is an adware program, which is also closely related to potentially unwanted programs (PUPs).
It means that this application is capable of performing unpleasant activities on the victim's computer. Once this program enters victim's PC, it places its files in the Windows Registry and then installs its extensions to PC user's web browsers. After that, it starts to track user's activity on the web.
We doubt that you want to disclose information about your browsing history, search queries, downloads, and other similar data to an unreliable source like Ultimate Sport. This application can use such information for suspicious purposes - and one of them is to generate targeted ads for you.
Do not think that Ultimate Sport is trying to find good ads for you - it only seeks to display ads that look nice, but do not provide real offers. These ads are designed to automatically redirect the PC user to Ultimate Sport sponsors' websites.
These sites can be dangerous and EVEN infectious, so we strongly recommend to avoid clicking on "Ads by Ultimate Sport," "Ultimate Sport ads," "special offer for you by Ultimate Sport" and similarly entitled pop-ups and banners. If you have started seeing these doubtful ads, you should examine your computer system with a professional anti-malware tool, for example, .
From our report of Nov 2015 · not reviewed since
FAQ
Question.
I have noticed many pop-up windows on my computer screen lately, and I do believe that something is wrong with my computer! These ads claim to be brought to me by Ultimate Sport. What is that and what should I do?
Answer. We assume that you have not noticed when you have installed Ultimate Sport adware. It could have happened if you have installed any free program carelessly.
Computer experts admit that this program is potentially unwanted one, because it delivers irrelevant and intrusive ads. If you have noticed pop-ups by Ultimate Sport, you should look for this program on your system and remove it ASAP.
How Ultimate Sport ads got into your browser
From our report of Nov 2015 · not reviewed since
Ultimate Sport, which is also known as UltimateSports.info, is an adware application that may work as a browser hijacker as well.
Ultimate Sport can surprise the computer user by its existence on the computer because this program rarely gets installed with a straightforward user's permission. It is so because Ultimate Sport is usually spread using a rogue spyware distribution method, called bundling.
This method allows the developers of Ultimate Sport attach it to other freeware or shareware and seamlessly inject Ultimate Sport to the PC user's computer together with one of the free applications that the computer user has installed. This suspicious app usually travels along with free programs like video players, PDF creators, audio file converters, download managers and similar programs.
You should be very cautious any time you decide to download and install a new program on your computer, especially if you have never encountered unpleasant and arbitrary applications before. Remember - the key to the safety is to carefully check whatever you are doing on your computer.
Nonetheless, you have to install new programs on your system carefully. Then you need to remove the tick sign from unfamiliar suggestions to get bonus applications together with your preferred applications.
Check your browser and PC
- Address:
ultimatesports.info
How to remove Ultimate Sport ads
How to stop Ultimate Sport ads notifications
Do this in every browser you use, and in every profile inside it: each keeps its own list of sites allowed to send notifications.
Nothing has to be uninstalled for the notifications themselves.
Which browser shows the ads?
Step 1: Remove ultimatesports.info from Chrome's notification list
Chrome keeps a list of every site you once allowed to send notifications, and
ultimatesports.infois on it. Pastechrome://settings/content/notificationsinto the address bar, find ultimatesports.info under Allowed to send notifications, open the three-dot menu next to it and pick Remove.Then click Add next to Not allowed to send notifications and type ultimatesports.info, so the site cannot ask a second time. Repeat it in every Chrome profile you use on Windows 11 or Windows 10, since each profile has its own list.

Chrome on Windows 11: Settings > Privacy and security > Site settings > Notifications. Full procedure with screenshots: Stop website notifications and pop-ups
Instructions for Google Chrome
Remove from Google Chrome
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.

Step 1: Remove ultimatesports.info from Edge's notification list
Open Settings and more (the three dots) > Settings > Privacy, search, and services > Site permissions > All permissions > Notifications. Remove
ultimatesports.infofrom the Allowed list, then click Add site next to Not allowed to send notifications and enter it there.Edge is built into both Windows 11 and Windows 10, so check it even if you normally use another browser. If the notifications came with the Edge logo, this is the browser that holds the permission.

Edge on Windows 11: Site permissions > All permissions > Notifications. Full procedure with screenshots: Stop website notifications and pop-ups
Instructions for Microsoft Edge
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.

Step 1: Remove ultimatesports.info from Firefox's notification permissions
Open the menu (three lines) > Settings and click Permissions and data in the left list, then Notifications. Select
ultimatesports.info, click Remove Website and confirm with Save Changes.In versions older than Firefox 152 the same list sits under Privacy & Security, behind a Settings button next to Notifications. Firefox shows these notifications only while it is running, on Windows 11 and Windows 10 alike.

Firefox on Windows 11: the Notification Permissions window. Full procedure with screenshots: Stop website notifications and pop-ups
Instructions for Mozilla Firefox
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.

Our tested steps are for Windows 11 and 10. For Safari (Mac), use the instructions below.
Instructions for Safari (Mac)
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.

Delete from macOS
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.
Then, whichever browser you use
Step 2: Scan the PC if you downloaded anything from the ads
If you only saw the notifications and clicked nothing, you can stop before this step. If a notification led you to download or run something, delete that file, then scan Windows.
In Windows Security > Virus & threat protection > Scan options, run a Full scan, then choose Microsoft Defender Antivirus (offline scan) and Scan now. The offline scan restarts the PC and takes about 15 minutes on Windows 11 and Windows 10.

Windows 11: Windows Security > Virus & threat protection > Scan options. Full procedure with screenshots: Run a Microsoft Defender Offline scan
More removal instructions
For programs installed on the PC and older browsers. Open the one you need.
How to remove this annoying application?
If you saw at least one pop-up powered by Ultimate Sport virus, you should remove this undesirable program with no delay.
It is clear that this program has no use and only brings annoyance for computer users. There are two methods to remove this unpleasant software - either manually or automatically. For the automatic method, install anti-malware program to scan, find and kill various computer parasites including Ultimate Sport adware. To remove this dubious program manually, follow the steps provided below this article.
Uninstall from Windows
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.

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
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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.
Questions about Ultimate Sport ads
How do I stop notifications from ultimatesports.info?
Remove its permission in the browser. The bottom line of each notification names the browser, so open that browser's notification settings and look under Allowed. Remove ultimatesports.info and any other site you do not recognise.
In Chrome and Edge this is under the site settings for notifications; in Firefox it is under Settings, Permissions and data, Notifications. Do this in every browser profile, because each one keeps its own list.
Restart the browser and wait a few minutes. If a message still arrives, read its bottom line again: the sending address can differ from the site you remember, and that is the entry still left in the list.
The ultimatesports.info notification said my PC is infected. Is it true?
No. Notifications from ultimatesports.info are adverts written to look like system messages. A website cannot scan your files, so it has no way to know whether your PC is infected; it shows the same warning to everyone who allowed its notifications. Real Windows Security messages name Windows Security in the bottom line, not a browser and a website.
If you want to be sure, open Windows Security from the Start menu and run a quick scan there. Then remove ultimatesports.info from the browser's notification settings so the fake warnings stop arriving. Do not call any number or buy anything the notification or its page suggests.
Why does Ultimate Sport ads show me ads?
Because that is its whole purpose. Ultimate Sport ads is a push-notification spam site, and its operators are paid for every ad it displays and every click it gets. In this case the ads take the form of desktop notifications.
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.
Is ultimatesports.info safe to visit?
No. The site ultimatesports.info exists to push visitors towards ads, and the pages it leads to include fake virus warnings, fake updates, prize scams and notification prompts. Visiting it once does not infect an up-to-date PC, but anything you click or download there is a gamble.
Do not enter personal details, do not allow notifications and do not call phone numbers it shows. If it opens by itself, close the tab and check the browser's extensions and notification permissions. Blocking the single domain helps little, because the operators register new names regularly.
Which browser is sending the ultimatesports.info notifications?
Each notification shows the name of the browser and the site in its small print. In the cases we saw, the messages from ultimatesports.info came through Chrome, Edge and Firefox. Permissions are stored per browser and per profile, so removing the site in one browser does not affect another.
If you use several Chrome or Edge profiles, check each one. If you sync the browser with an account, remove the permission while signed in, otherwise another computer may still hold it and keep receiving the same messages.
How do I know the ads come from Ultimate Sport ads?
Look for notifications from ultimatesports.info. That is the trace Ultimate Sport ads leaves, and it shows up as desktop notifications. 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.
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.
Why didn't my antivirus catch Ultimate Sport ads?
Many security products do not block adware or notification sites by default, because users often agreed to them, even through a misleading prompt. Notification spam installs nothing at all, so there is no file to detect.
In Windows 11 you can make Microsoft Defender block potentially unwanted apps: open Windows Security > App & browser control > Reputation-based protection settings and turn on Potentially unwanted app blocking. If notifications caused the pop-ups, no scanner will report them; the fix is in the browser's site settings.
Will Focus or Do not disturb stop the notifications?
Only for as long as it is on. Do not disturb in Windows 11 holds back notifications from all apps, including browsers, and releases them to the notification centre later. The site still has permission and the messages still arrive.
Use the browser's notification settings to remove the site instead: once its permission is gone, it cannot send anything, whatever Windows is set to. Keep Do not disturb for what it is meant for, such as meetings, presentations and quiet hours.
Will Fortect remove Ultimate Sport ads?
No program removes Ultimate Sport ads itself, because there is nothing on the PC to remove: the notifications come through a permission saved in the browser, and only the browser's settings take it away, as the steps above show.
What Fortect can do is check the rest of Windows. Its free scan looks for malware, unwanted programs and damaged system files, which is useful if you clicked the ads, downloaded something from the pages they opened, or are not sure what else changed on the PC.
If the scan finds nothing and the notifications stopped after you removed the permission, this problem is solved. Use Microsoft Defender as a second opinion whenever you have downloaded files from pages like these.
Sources
- 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)
- Microsoft Learn: Microsoft Defender Offline (read October 6, 2026)
- Microsoft Learn: How Microsoft names malware (read October 6, 2026)