Strialdeather.info ads: what it is and how to remove it
Strialdeather.info is an adware that attacks its victims via push notifications offering to "tap the Allow button to continue." Once the user is tricked into enabling such ads, the virus starts displaying pop-ups, banners, in-text ads, and similar sponsored content based on a social-engineering scheme and used to redirect users to specific websites.
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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Strialdeather.info ads: summary
| Distribution | Bundled software installations |
|---|---|
| Name | Strialdeather.info |
| Type | Adware |
| Category | Potentially unwanted program |
| Symptoms | Delivers advertisements, desktop notifications, redirects to affiliated sites |
| Possible danger | Exposes users to questionable sites |
| 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 8 more facts
| Detection names | No Microsoft detection name is known |
|---|---|
| Damage | Not recorded in the old report |
| Evidence | 4 write-ups by security sites; details still limited |
| Domains | strialdeather.info |
| Ads shown as | Redirects through ad pages |
| Browsers | Chrome, Edge and Firefox |
| First seen | 29 June 2021 |
| Facts checked | 6 October 2026 |
Is Strialdeather.info ads dangerous?
From our report of Jun 2021 · not reviewed since
Strialdeather.info – a push notifications virus that displays misleading ads on the web browser and desktop
Strialdeather.info is an adware that attacks its victims via push notifications offering to "tap the Allow button to continue."
Once the user is tricked into enabling such ads, the virus starts displaying pop-ups, banners, in-text ads, and similar sponsored content based on a social-engineering scheme and used to redirect users to specific websites. Direct notifications are displayed either on the web browser or on the desktop, so there is not only a risk of being redirected to a malicious site.
When infected with this virus, your search quality drops as well. If you have been interrupted by Russian ads or English notifications promoting Tinder, AliExpress, Forbes, or sometimes even questionable companies, make sure you check your computer for adware. As long as the virus relies on random names, you should use the automatic removal option to get rid of pop-ups completely.
In the beginning, Strialdeather.info virus asks people to allow notifications. In this case, you are either on a malicious site or infected with a potentially unwanted program. When a user is interrupted out of nowhere, there is a high possibility that he or she will agree to this.
As a result, the virus starts delivering tons of ads promoting questionable sites and services. Even when your browser is closed or the system is just rebooted a minute or two ago, you get various notifications on your desktop about the commercial deals, offers, or contests.
Since Strialdeather.info can be caused by adware-type PUP, push notifications, and pop-up ads are not the only symptoms related to this type of cyber threat. Adware also causes:
You also need to remove Strialdeather.info for another reason - data tracking. Various cyber intruders that can be categorized as potentially unwanted programs have a tracking cookie policy that allows them to access your browsing habits, online traffic, location, device-related data.
According to researchers, there is a possibility that this information about your IP address, search queries, most viewed sites, location is later shared with third-party advertisers. In most cases, this information is collected with the primary PUP goal of creating personalized advertisements. Unwanted activity frustrates people and affects the performance of your device, even though it is not malicious.
Suspicious pop-ups are caused either by the main adware program that got on your system or because of deceptive websites you recently visited. Questionable downloads or free-sharing sites might have contributed to this cyber infiltration, so make sure you perform Strialdeather.info removal on time.
Either of these trustworthy anti-malware apps will protect your devices from various cyber infections lurking on the internet. Just remember to update it at least twice a week.
For further fixing, download or another reliable system optimization tool to fix possible virus damage, e. g. recover changed registry entries or delete Browser helper objects. Disabling notifications and resetting each web browser are also recommended.
- changed appearance of the browser;
- added extensions or plugins;
- constant redirects;
- banners injected to commonly visited sites;
- browser freezes;
- sluggish system.
From our report of Jun 2021 · not reviewed since
Software bundles contain various questionable programs
These potentially unwanted programs most often come from bundled software.
This is a method when freeware providers pack their products alongside PUPs and distribute these bundles on the internet. During insecure freeware installations, you get to choose what applications to install. Unfortunately, if you skip through steps, you automatically agree with all downloads.
Choosing Advanced or Custom installation methods allows you to de-select those questionable programs, so you get the software you need only. Also, getting applications from questionable sites, p2p networks or downloading pages can lead to these infections. Choose wisely and keep your anti-malware up-to-date so that you can avoid unwanted infiltrations.
From our report of Jun 2021 · not reviewed since
Terminate Strialdeather.info and clean the system using professional tools
Unfortunately, the article's culprit is not a program that you can easily find on the device and uninstall.
This is a silent cyber infection that got on your device without permission. This fact makes the elimination process easier because you can employ the anti-malware program and delete this intruder completely.
You need to remove Strialdeather.info with anti-malware tools by performing a full system scan. This is an easy step, you need to choose a reputable program and follow the suggestions. You can find a few options below.
Also, the removal should be followed by resetting your browsers. Every one of them. You need to block every suspicious program, delete unwanted extensions, and block notifications from questionable websites. Follow the step-by-step guides below to know-how.
From our report of Jun 2021 · not reviewed since
More from our earlier report on Strialdeather.info
- Use trustworthy security tools to get rid of unwanted content
- Repair virus damage by performing system diagnostics with the app
Check your browser and PC
- Address:
strialdeather.info
How to remove Strialdeather.info ads
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
In Chrome open
chrome://extensions, in Edgeedge://extensions, and in Firefox the menu > Extensions and themes.Remove every extension you do not remember adding, especially search, new tab, coupon, PDF, weather or video downloader add-ons. Check every browser and every profile, because each keeps its own list.
If an extension has no Remove button or comes back, a browser policy holds it (see "Managed by your organization" in the procedure below). The pages are the same on Windows 11 and Windows 10.
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
Strialdeather.info rarely comes alone: it is usually installed by, or together with, a free program. In Windows 11 open Settings > Apps > Installed apps, in Windows 10 Settings > Apps > Apps & features, and sort by install date.
Uninstall every entry from the day the trouble began that you did not install on purpose, for example a download manager, a converter or a browser you never chose.
Keep drivers and entries from Microsoft, Intel, AMD, NVIDIA or your PC's maker unless you are sure.
Full procedure with screenshots: Uninstall a program or app in Windows On uGetFix
Step 3: Reset the browser
A reset removes what the steps above could miss:
- changed start pages
- site permissions
- hidden settings
In Chrome open Settings > Reset settings > Restore settings to their original defaults; in Edge Settings > Reset settings; in Firefox Help > More troubleshooting information > Refresh Firefox.
Tip: Bookmarks and saved passwords stay, while extensions are turned off and the search engine and start page return to the defaults.
Reset every browser on the PC, including Edge, which Windows 11 and Windows 10 always have.
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
A scan finds the parts of Strialdeather.info that the manual steps cannot see. In Windows Security > Virus & threat protection > Scan options, start a Full scan and quarantine what it reports.
Follow it with Microsoft Defender Antivirus (offline scan) > Scan now, which restarts the PC and checks the disk while Windows and the malware are not running.
It takes about 15 minutes and works the same in Windows 11 and Windows 10. If either scan finds something, run the full scan again after removal until it comes back clean.
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 uninstall deceptive ads completely, you need to find an adware-type virus that is responsible for them:
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
Make sure that you reset Chrome to delete the article's culprit from the system:
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)
Clean the browser from unwanted content by following these steps:
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.
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.
Protect your privacy - employ a VPN
There are several ways how to make your online time more private - you can access an incognito tab.
However, there is no secret that even in this mode, you are tracked for advertising purposes. There is a way to add an extra layer of protection and create a completely anonymous web browsing practice with the help of VPN. This software reroutes traffic through different servers, thus leaving your IP address and geolocation in disguise.
Besides, it is based on a strict no-log policy, meaning that no data will be recorded, leaked, and available for both first and third parties. The combination of a secure web browser and VPN will let you browse the Internet without a feeling of being spied or targeted by criminals.
No backups? No problem. Use a data recovery tool
If you wonder how data loss can occur, you should not look any further for answers - human errors, malware attacks, hardware failures, power cuts, natural disasters, or even simple negligence.
In some cases, lost files are extremely important, and many straight out panic when such an unfortunate course of events happen. Due to this, you should always ensure that you prepare proper data backups on a regular basis.
If you were caught by surprise and did not have any backups to restore your files from, not everything is lost. is one of the leading file recovery solutions you can find on the market - it is likely to restore even lost emails or data located on an external device.
Questions about Strialdeather.info ads
How do I stop strialdeather.info 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 strialdeather.info 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.
Did strialdeather.info install a virus on my PC?
Very unlikely, unless you downloaded and opened something from the pages it led to. Redirect domains such as strialdeather.info sell your visit to advertisers; they do not need to install anything to make money.
What can be installed is the thing that causes the redirects in the first place, such as an extension or an ad-supported program that came with free software. That is why the checks in this guide look at extensions, notification permissions and Installed apps.
A full scan with Microsoft Defender afterwards gives you a clear answer about the rest of the PC. If the scan is clean and the redirects stop after removing the cause, you are done.
Why does Strialdeather.info show me ads?
Because that is its whole purpose. Strialdeather.info 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 Strialdeather.info 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 Strialdeather.info?
Look for redirects to strialdeather.info. That is the trace Strialdeather.info 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.
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.
Why didn't my antivirus catch Strialdeather.info?
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.
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.
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.
Will Fortect remove Strialdeather.info?
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 Strialdeather.info, 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
- Webroot: What is social engineering? (read October 6, 2026)
- Wikipedia: Adware (read October 6, 2026)
- Virusai: Virusai (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)