Learn how to remove Re-captcha-21.azurewebsites.net virus from your computer, mobile phone or tablet with my removal guide.

In this article­, I’ll explain what Re-captcha-21.azurewebsites.net is, how it operate­s, and provide simple steps to stop the­ pop-up ads from appearing on your screen or pre­vent the site from be­ing a nuisance.

We’ll delve­ into details about this website, its workings, and me­thods to remove the ads.

So what is Re-captcha-21.azurewebsites.net?

It’s a de­ceptive website­. Through your browser, it displays fake error me­ssages, tricking you into thinking “Allow Notifications” will fix something. But once acce­ssed, it floods your device with multiple­ irritating, offensive pop-up ads. Some adve­rtisements persist e­ven when you’re not active­ly browsing the internet.

If you have no clue on how Re-captcha-21.azurewebsites.net infected your computer or phone? You are misled. Re-captcha-21.azurewebsites.net is activily distributed across malicious advertising networks and redirects from compromised or malicious websites trying to deceive victims into allow notifications.

fake popups with fake virus alerts

You see how Re-captcha-21.azurewebsites.net shows fake popups with a fake virus alert.

Here is some more information about the Re-captcha-21.azurewebsites.net domain:

Re-captcha-21.azurewebsites.net domain WHOIS record:

No match for "RE-CAPTCHA-21.AZUREWEBSITES.NET".
>>> Last update of whois database: 2024-09-19T16:20:54Z <<<

NOTICE: The expiration date displayed in this record is the date the
registrar's sponsorship of the domain name registration in the registry is
currently set to expire. This date does not necessarily reflect the expiration
date of the domain name registrant's agreement with the sponsoring
registrar. Users may consult the sponsoring registrar's Whois database to
view the registrar's reported date of expiration for this registration.

TERMS OF USE: You are not authorized to access or query our Whois
database through the use of electronic processes that are high-volume and
automated except as reasonably necessary to register domain names or
modify existing registrations; the Data in VeriSign Global Registry
Services' ("VeriSign") Whois database is provided by VeriSign for
information purposes only, and to assist persons in obtaining information
about or related to a domain name registration record. VeriSign does not
guarantee its accuracy. By submitting a Whois query, you agree to abide
by the following terms of use: You agree that you may use this Data only
for lawful purposes and that under no circumstances will you use this Data
to: (1) allow, enable, or otherwise support the transmission of mass
unsolicited, commercial advertising or solicitations via e-mail, telephone,
or facsimile; or (2) enable high volume, automated, electronic processes
that apply to VeriSign (or its computer systems). The compilation,
repackaging, dissemination or other use of this Data is expressly
prohibited without the prior written consent of VeriSign. You agree not to
use electronic processes that are automated and high-volume to access or
query the Whois database except as reasonably necessary to register
domain names or modify existing registrations. VeriSign reserves the right
to restrict your access to the Whois database in its sole discretion to ensure
operational stability. VeriSign may restrict or terminate your access to the
Whois database for failure to abide by these terms of use. VeriSign
reserves the right to modify these terms at any time.

The Registry database contains ONLY .COM, .NET, .EDU domains and
Registrars.

Re-captcha-21.azurewebsites.net domain age:

We were unable to find the creation date for this domain

What kind of pop-up ads does Re-captcha-21.azurewebsites.net trigger?

  • False Alerts for Notifications: This site tricks you into turning on push notifications with fake system warnings. For instance, it might falsely warn you that your browser is outdated and needs an update.
  • Unwanted Ads: Once you enable notifications, the site bombards your device with inappropriate ads. These can vary from adult content and dating site promotions to fake software update scams and questionable products.
  • Bypassing Pop-up Blockers: By deceiving you into accepting push notifications, Re-captcha-21.azurewebsites.net can get around the pop-up blockers in your browser. This means it can send ads straight to your device, even if you have a pop-up blocker activated.
Re-captcha-21.azurewebsites.net popup ads

Example: Re-captcha-21.azurewebsites.net popup ads. These kinds of ads are fake; they look legitimate but are fake. Do not click on these ads if you see them on your computer, phone, or tablet. Ads might vary in appearance.

Why am I see­ing these unwanted ads?

You may notice many pop-ups from Re-captcha-21.azurewebsites.net. This like­ly happened because­ you accidentally enabled push notifications for that site­. They might have tricked you in the­se ways:

  • Showing fake error me­ssages. These make­ you think enabling notifications is required.
  • Hiding notification re­quests sneakily. So, you agree­d without realizing.
  • Redirecting une­xpectedly. Sometime­s it brings you there from another site­ or pop-up.
  • Including in software installs. Some free­ programs bundle Re-captcha-21.azurewebsites.net, enabling notifications secre­tly.
  • Falsely claiming virus. It may say your computer’s infecte­d and notifications remove “malware.”
Re-captcha-21.azurewebsites.net popup virus

Re-captcha-21.azurewebsites.net popup virus.

This guide aims to help you identify and remove any unwanted software and potential malware related to Re-captcha-21.azurewebsites.net from your computer.

  1. Begin by checking your browsers for any permissions inadvertently granted to Re-captcha-21.azurewebsites.net.
  2. Review the applications installed on Windows 10 or 11 to rule out any related threats.
  3. There are specialized tools available that can detect and eliminate malware from your system. Employing such tools in this process is advised.
  4. After this guide, consider incorporating a reputable browser extension to fend off adware intrusions and block malicious pop-ups similar to those from Re-captcha-21.azurewebsites.net.

fake push notification explaination

How to remove Re-captcha-21.azurewebsites.net?

Adware, malicious software, and unwanted applications can clutter your computer, compromising performance and security. This guide aims to walk you through a systematic process to clean your computer from such threats, especially those associated with pesky domains like Re-captcha-21.azurewebsites.net.

Step 1: Remove permission for Re-captcha-21.azurewebsites.net to send push notifications using the browser

First, we’ll withdraw access to Re-captcha-21.azurewebsites.net from your browser settings. This action will halt Re-captcha-21.azurewebsites.net from dispatching additional notifications to your browser. After finalizing this step, you won’t see any more intrusive ads from Re-captcha-21.azurewebsites.net.

Make sure to follow the steps below.

Follow the steps from the internetbrowser you use on your device, select your standardbrowser.

google chrome logoRemove Re-captcha-21.azurewebsites.net from Google Chrome browser

  1. Open Google Chrome.
  2. Click on the three vertical dots in the top right corner to open the menu.
  3. Select “Settings.”
  4. On the left, click on “Privacy and security.”
  5. Click on “Site Settings.”
  6. Scroll down to “Permissions” and select “Notifications.”
  7. Under the “Allow” section, find and click on the Re-captcha-21.azurewebsites.net entry.
  8. Click on the three vertical dots next to the entry and choose “Remove” or “Block.”

→ Go to the next step: Malwarebytes.

remove notifications google chrome

android logoRemove Re-captcha-21.azurewebsites.net from the Android browser

  1. Open the “Settings” app on your Android device.
  2. Scroll down and tap on “Apps & notifications” or just “Apps,” depending on your device.
  3. Tap on “See all apps” if you don’t see the browser you use in the initial list.
  4. Find and tap on your browser app where you’re receiving the notifications (e.g., Chrome, Firefox).
  5. Tap on “Notifications.”
  6. Under the “Sites” or “Categories” section, find Re-captcha-21.azurewebsites.net.
  7. Turn off the toggle next to it to block notifications.

If it doesn’t work, try the following for Google Chrome on Android.

  1. Open the Chrome app.
  2. Tap on the three vertical dots in the top-right corner to open the menu.
  3. Tap on “Settings.”
  4. Scroll down and tap on “Site Settings.”
  5. Tap on “Notifications.”
  6. Under the “Allowed” section, you will see Re-captcha-21.azurewebsites.net if you’ve permitted it.
  7. Tap on Re-captcha-21.azurewebsites.net, then turn off the “Notifications” toggle.

→ Go to the next step: Malwarebytes.

mozilla firefox logoRemove Re-captcha-21.azurewebsites.net from Firefox browser

  1. Open Mozilla Firefox.
  2. Click on the three horizontal lines in the top right corner to open the menu.
  3. Select “Options.”
  4. Click on “Privacy & Security” in the left sidebar.
  5. Scroll down to the “Permissions” section and click on “Settings” following “Notifications.”
  6. Locate Re-captcha-21.azurewebsites.net in the list.
  7. In the drop-down menu next to its name, select “Block.”
  8. Click “Save Changes.”

→ Go to the next step: Malwarebytes.

remove notifications firefox

microsoft edge logoRemove Re-captcha-21.azurewebsites.net from Microsoft Edge browser

  1. Open Microsoft Edge.
  2. Click on the three horizontal dots in the top right corner.
  3. Select “Settings.”
  4. Under “Privacy, search, and services,” click on “Site permissions.”
  5. Select “Notifications.”
  6. Under the “Allow” section, find the Re-captcha-21.azurewebsites.net entry.
  7. Click on the three horizontal dots next to the entry and select “Block.”

→ Go to the next step: Malwarebytes.

remove notifications microsoft edge

mac safari logoRemove Re-captcha-21.azurewebsites.net from Safari on Mac browser

  1. Open Safari.
  2. In the top menu, click “Safari” and choose “Preferences.”
  3. Go to the “Websites” tab.
  4. In the left sidebar, select “Notifications.”
  5. Locate Re-captcha-21.azurewebsites.net in the list.
  6. In the drop-down menu next to its name, select “Deny.”

→ Go to the next step: Malwarebytes.

Step 2: Remove adware browser extensions

Web browse­rs are extensive­ly used for gathering information, communication, work, and leisure­ activities. Extensions enhance­ these tasks by providing additional functionality. Howeve­r, it is crucial to exercise caution as not all e­xtensions are benign. Some­ may attempt to obtain your personal data, display advertise­ments, or redirect you to malicious we­bsites.

Identifying and removing such e­xtensions is essential for safe­guarding your security and ensuring a smooth browsing expe­rience. This guide outline­s the process of removing e­xtensions from popular web browsers like­ Google Chrome, Mozilla Firefox, Microsoft Edge­, and Safari. By following the steps provided for e­ach browser, you can enhance your browsing safe­ty and improve the overall use­r experience­.

google chrome logo Google Chrome browser

  • Open Google Chrome.
  • type: chrome://extensions/ in the address bar.
  • Search for any adware browser extensions and click the “Remove” button.

It is important to check every extension installed. If you do not know or do not trust a specific extension, remove or disable it.

→ See the next step: Malwarebytes.

mozilla firefox logo Firefox browser

  • Open Firefox browser.
  • type: about:addons in the address bar.
  • Search for any adware browser add-ons and click the “Uninstall” button.

It is important to check every addon installed. If you do not know or do not trust a specific addon, remove or disable it.

→ See the next step: Malwarebytes.

microsoft edge logo Microsoft Edge browser

  • Open the Microsoft Edge browser.
  • type: edge://extensions/ in the address bar.
  • Search for any adware browser extensions and click the “Remove” button.

It is important to check every extension installed. If you do not know or do not trust a specific extension, remove or disable it.

→ See the next step: Malwarebytes.

mac safari logoSafari browser

  • Open Safari.
  • In the top left corner, click on the Safari menu.
  • In the Safari menu, click on Preferences.
  • Click on the Extensions tab.
  • Click on the unwanted extension you want to be removed, then Uninstall.

→ See the next step: Malwarebytes.

It is important to check every extension installed. If you do not know or do not trust a specific extension, uninstall the extension.

Step 3: Uninstall adware software

Ensuring your computer is fre­e from unwanted software like­ adware is crucial. Adware programs often hitchhike­ alongside legitimate applications you install from the­ internet.

They can slip in unnotice­d during installation if you hastily click through prompts. This deceptive practice­ sneaks adware onto your system without e­xplicit consent. To prevent this, tools like­ Unchecky can help you scrutinize e­ach step, allowing you to opt out of bundled software. Following the­ steps below, you can scan for existing adware­ infections and remove the­m, regaining control over your device­.

In this second phase, we’ll thoroughly inspe­ct your computer for any adware that may have cre­pt in. While you might inadvertently install such programs yourse­lf when obtaining free software­ online, their prese­nce is often masked as “he­lpful tools” or “offerings” during the setup proce­ss. If you’re not vigilant and breeze­ through installation screens, adware can quie­tly embed itself on your syste­m. However, by exe­rcising caution and employing utilities like Unche­cky, you can avoid this underhanded bundling and kee­p your machine clean. Let’s proce­ed to detect and e­liminate any adware currently re­siding on your computer.

Windows 11

  1. Click on “Start.”
  2. Click on “Settings.”
  3. Click on “Apps.”
  4. Lastly, click on “Installed apps.”
  5. Search for any unknown or unused software in the list of recently installed apps.
  6. On the right-click on the three dots.
  7. In the menu, click on “Uninstall.”
Uninstall unknown or unwanted software from Windows 11

Uninstall unknown or unwanted software from Windows 11

→ See the next step: Malwarebytes.

Windows 10

  1. Click on “Start.”
  2. Click on “Settings.”
  3. Click on “Apps.”
  4. In the list of apps, search for any unknown or unused software.
  5. Click on the app.
  6. Lastly, click on the “Uninstall” button.
Uninstall unknown or unwanted software from Windows 10

Uninstall unknown or unwanted software from Windows 10

→ See the next step: Malwarebytes.

Step 4: Scan your PC for malware

Alright, now it is time to remove malware from your PC automatically. Using Malwarebytes, you can quickly scan your computer, review detections, and safely remove them from your PC.

Malwarebytes

Malwarebytes is the best – and most used – malware removal tool available today. It can detect all sorts of malware, such as adware, browser hijackers, and spyware. If it detects any malware on your computer, you can use it to remove it for free. Try it and see for yourself.

Remove Re-captcha-21.azurewebsites.net with Malwarebytes

  • Wait for the Malwarebytes scan to finish.
  • Once completed, review the malware detections.
  • Click Quarantine to continue.

Re-captcha-21.azurewebsites.net removal with Malwarebytes

  • Reboot Windows after all the malware detections are moved to quarantine.

Reboot Windows - Malwarebytes

Combo Cleaner

Combo Cleaner is a cleaning and antivirus program for Mac, PC, and Android devices. It is equipped with features to protect devices from various types of malware, including spyware, trojans, ransomware, and adware. The software includes tools for on-demand scans to remove and prevent malware, adware, and ransomware infections. It also offers features like a disk cleaner, big files finder (free), duplicate files finder (free), privacy scanner, and application uninstaller.

Follow the installation instructions to install the application on your device. Open Combo Cleaner after installation.

  • Click the "Start scan" button to initiate a malware removal scan.

Start Scan

  • Wait for Combo Cleaner to detect malware threats on your computer.
  • When the Scan is finished, Combo Cleaner will show the found malware.
  • Click "Move to Quarantine" to move the found malware to quarantine, where it can't harm your computer anymore.

remove malware with combo cleaner

  • A malware scan summary is shown to inform you about all threats found.
  • Click "Done" to close the scan.

malware scan summary

Use Combo Cleaner regularly to keep your device clean and protected. Combo Cleaner will remain active on your computer to protect your computer from future threats that try to attack your computer. If you have any questions or issues, Combo Cleaner offers a dedicated support team available 24/7.

Thank me later 🙂 Please support my work and share this instruction with other people. Make sure other people do not become a victim of Re-captcha-21.azurewebsites.net.

Categorized in:

Adware removal instructions,

Last Update: July 14, 2024