Wonderlandads: what it is and how to remove it
Technically speaking, the Wonderlandads virus is not a malicious parasite per se, but rather a potentially unwanted program whose presence on the computer may trigger various problems to arise. Most of its malicious potential stems from the program's capacity to generate intrusive pay-per-click advertisements and automatically redirect people to http://Wonderlandads.com and any other domains that may be chosen by its creators.
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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Wonderlandads: summary
| Distribution | Freeware installations when bundling is used, dangerous sites, other PUPs |
|---|---|
| Name | Wonderlandads |
| Type | Adware, potentially unwanted program |
| Problems | The application causes redirects and other unwanted content intervention when pop-ups and banners fill up the web browser screen |
| Detection names | No Microsoft detection name is known |
| Damage | Not recorded in the old report |
| 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
| Symptoms | Redirects to an unknown domain |
|---|---|
| Evidence | 6 write-ups by security sites; details still limited |
| Domains | wonderlandads.com |
| Ads shown as | Redirects through ad pages |
| Browsers | Chrome, Edge and Firefox |
| First seen | 9 July 2021 |
| Facts checked | 6 October 2026 |
Is Wonderlandads dangerous?
From our report of Jul 2021 · not reviewed since
Wonderlandads virus is the program causing unwanted content on an infected PC
Technically speaking, the Wonderlandads virus is not a malicious parasite per se, but rather a potentially unwanted program whose presence on the computer may trigger various problems to arise.
Most of its malicious potential stems from the program's capacity to generate intrusive pay-per-click advertisements and automatically redirect people to http://Wonderlandads.com and any other domains that may be chosen by its creators.
Thus, it is entirely possible that this PUP might also send you to malicious websites, where your device may be infected with some more serious parasite than the adware is. We highly recommend staying away from this shady program and its ads.
It seems that this program may appear on every computer no matter what OS it is running. Security experts have discovered that its attacks on Android devices, Windows computers, and Mac OS X are almost equally common. You might already be thinking how did this adware infiltrate your computer.
Well, it mostly happens when people don't monitor software installation processes or tend to install questionable programs on their devices without checking online community reviews. If you are one of those unlucky people who got infected, then it is high time you get on with the Wonderlandads removal. To banish every malicious element from your computer, use , , or a different anti-malware solution.
You may not suspect that the adware has settled on your computer until you finally start noticing that your browser gets regularly heaped up by a vivid bunch of ads. These commercial offers tend to emerge on every website – be it informational or entertainment web page.
As we already said, Wonderlandads.com ads also try to lure you into visiting insecure domains. Frequently, such websites are of advertising origin, but you may also find yourself on pornographic web pages as well. Besides disturbing content, you may also spot flickering hyperlinks encouraging you to watch certain videos or claim free gifts.
Keep in mind that such offers may help viruses hijack your computer. Additionally, the links may disguise aggressive Trojans which are capable of wrecking registry files and stealing personal information. Therefore, the Wonderlandads virus might be more damaging than you think.
This PUP makes no exceptions for Android devices and targets them as well. Thus, don't forget that your mobile phone or tablet might also be threatened. When the PUP settles on the infected device, its user begins to encounter ad-related problems right away. If you prefer shopping online, note that such commercial offers are only generated for the purpose of collecting income for their owners.
The scammers receive profit depending on the number of clicks their ads manage to generate. Consequently, they aim to tempt as many users as possible to click on ads by Wonderlandads.com. We can only imagine what profit they get from such activity while users are left in frustration caused by distracting pop-ups.
Additionally, you should note that this adware might attract other unwanted programs into your system which do not require your permission to get installed. As a result, the operating system might struggle to maintain high-speed processes.
What is more, you never know whether installed programs are only of adware-type. They might be enhanced with damaging malware as well. Therefore, it is crucial to remove Wonderlandads as soon as possible.
From our report of Jul 2021 · not reviewed since
The main mistakes users make allowing the PUP infiltration
As we have already mentioned, scammers have managed to develop an effective strategy to distribute their "products."
IT specialists have named this technique "bundling." The main principle of it lies in attaching potentially unwanted programs, such as adware, browser hijackers, and similar ones, to popular freeware.
Thus, they recklessly hit the "Install" button, and let this PUP hijack their computers. So, it might be that it invaded your computer the same way, too. Likewise, it is important to pay attention while installing new software. Instead of choosing "Basic" installation settings, select "Advanced."
Note that some scammers tend to attach PUPs under "Advanced" mode as well, so stay vigilant. Lastly, look for any irrelevant software which is already pre-marked and uncheck it. These steps should assist you in preventing redirects to suspicious sites.
From our report of Jul 2021 · not reviewed since
More from our earlier report on Wonderlandads
- You can run the anti-malware tool and remove any indicated threats
- The best way to fix virus damage - running the system tool like
Check your browser and PC
- Address:
wonderlandads.com
How to remove Wonderlandads
How to remove the Wonderlandads 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
Wonderlandads 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 Wonderlandads. 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
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
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.
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.
Choose a proper web browser and improve your safety with a VPN tool
Online spying has got momentum in recent years and people are getting more and more interested in how to protect their privacy online.
One of the basic means to add a layer of security - choose the most private and secure web browser. Although web browsers can't grant full privacy protection and security, some of them are much better at sandboxing, HTTPS upgrading, active content blocking, tracking blocking, phishing protection, and similar privacy-oriented features.
However, if you want true anonymity, we suggest you employ a powerful VPN - it can encrypt all the traffic that comes and goes out of your computer, preventing tracking completely.
Lost your files? Use data recovery software
While some files located on any computer are replaceable or useless, others can be extremely valuable.
Family photos, work documents, school projects - these are types of files that we don't want to lose. Unfortunately, there are many ways how unexpected data loss can occur:
- power cuts
- Blue Screen of Death errors
- hardware failures
- crypto-malware attack
- even accidental deletion
To ensure that all the files remain intact, you should prepare regular data backups. You can choose cloud-based or physical copies you could restore from later in case of a disaster. If your backups were lost as well or you never bothered to prepare any, can be your only hope to retrieve your invaluable files.
From our report of Jul 2021 · not reviewed since
The best way to remove Wonderlandads
Luckily, this time, relatively less damaging malware has infected your computer.
Its elimination should not become a difficult task. Firstly, you can try deleting this virus manually. Keep in mind that if you opt for the manual removal option, precision and attention are required.
If you do not want to meddle with the adware again, you should remove all its related programs and files completely. Therefore, automatic Wonderlandads removal might look like a more suitable solution. After you install an anti-spyware program, it starts scanning your system for potentially malicious files.
It is apt in deleting adware, browser hijackers, trojans, and ransomware. Thus, it is a highly useful utility. Do not forget to update it regularly if you want to experience real-time protection. Finally, we also encourage you to be more careful while visiting unknown websites and reading instructions while installing a new program.
Questions about Wonderlandads
Why does my browser keep going to wonderlandads.com?
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. wonderlandads.com 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.
Did wonderlandads.com install a virus on my PC?
Very unlikely, unless you downloaded and opened something from the pages it led to. Redirect domains such as wonderlandads.com 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.
What is Wonderlandads?
Wonderlandads 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.
Wonderlandads 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.
Which browsers does Wonderlandads affect?
In the cases we checked, Wonderlandads 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 Wonderlandads?
Compare them with the details in the table above. Wonderlandads produces redirects through ad pages, and the clearest sign of it is redirects to wonderlandads.com. 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.
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.
My scan found nothing, but the ads continue. Why?
Because the source may not be a file a scanner looks for. Browser notifications are a permission stored in the browser, and many adware extensions are not flagged because they come from an official store.
Some ad-supported programs are only reported if you enable detection of potentially unwanted apps. So a clean scan does not mean the job is done. Check each browser's notification permissions and extension list by hand, and turn on Potentially unwanted app blocking in Windows Security before scanning again.
Did Wonderlandads collect my data?
Adware typically collects what it needs to choose ads:
- the sites you visit
- search terms
- approximate location
- browser and system details
Extensions with permission to read and change data on all websites can technically see everything on those pages, including forms. That is a privacy problem rather than proof of theft.
If you typed card details or passwords while it was active, changing the most important passwords is a reasonable precaution. Clearing cookies after removal ends the tracking sessions it may have started.
Will Fortect remove Wonderlandads?
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 Wonderlandads, 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
- 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)