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How to remove the notifications/ads displayed by thebestcaptcha.top site

Also Known As: Ads by thebestcaptcha.top
Damage level: Medium

What kind of page is thebestcaptcha[.]top?

Thebestcaptcha[.]top is a rogue page that our research team discovered while inspecting suspicious websites. It operates by endorsing browser notification spam. At the time of research, the webpage did so by employing fake CAPTCHA verification. Furthermore, thebestcaptcha[.]top can redirect visitors to other (likely unreliable/harmful) websites.

Most users access webpages like thebestcaptcha[.]top through redirects caused by sites using rogue advertising networks.

thebestcaptcha[.]top pop-up redirects

Thebestcaptcha[.]top overview

The behavior of rogue websites (i.e., what they load and promote) might depend on the visitor's IP address/ geolocation. When we entered thebestcaptcha[.]top, it presented us with an image of a robot saying – "CLICK ALLOW TO CONFIRM THAT YOU ARE NOT A ROBOT!".

This bogus CAPTCHA test is designed to deceive visitors into enabling thebestcaptcha[.]top to deliver browser notifications. Rogue sites use them to run intrusive ad campaigns. The delivered notifications/advertisements promote online scams, unreliable/harmful software, and even malware.

To summarize, through pages like thebestcaptcha[.]top – users can experience system infections, severe privacy issues, financial losses, and identity theft.

Threat Summary:
Name Ads by thebestcaptcha.top
Threat Type Push notifications ads, Unwanted ads, Pop-up ads
Detection Names N/A (VirusTotal)
Serving IP Address 155.138.207.75
Observed Domains b.thebestcaptcha[.]top; e.thebestcaptcha[.]top; thebestcaptcha[.]top; a.thebestcaptcha[.]top
Symptoms Seeing advertisements not originating from the sites you are browsing. Intrusive pop-up ads. Decreased Internet browsing speed.
Distribution Methods Deceptive pop-up ads, false claims within visited websites, potentially unwanted applications (adware)
Damage Decreased computer performance, browser tracking - privacy issues, possible additional malware infections.
Malware Removal (Windows)

To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.
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Browser notification spam in general

We have analyzed thousands of rogue webpages; softstrorright[.]comlightfoot[.]top, and nowcaptchahere[.]top are merely a couple examples of ones we have inspected recently.

These sites deliver browser notifications that endorse deceptive and malicious material. It is pertinent to mention that while legitimate content can be encountered through these ads – it is unlikely to be promoted by its actual developers. Instead, it is most likely undertaken by scammers who abuse the products' affiliate programs to obtain illegitimate commissions for the promotion.

How did thebestcaptcha[.]top gain permission to deliver spam notifications?

Websites require user permission to deliver browser notifications. Therefore, you've likely entered thebestcaptcha[.]top at some point and clicked "Allow", "Allow Notifications", or a similar option – thus enabling the ad delivery.

How to prevent deceptive sites from delivering spam notifications?

To avoid receiving unwanted browser notifications – do not permit suspicious websites to deliver them. In other words, do not click "Allow", "Allow Notifications", or a similar option presented on such pages. Instead, we recommend ignoring or denying notification delivery – i.e., selecting "Block", "Block Notifications", etc.

Should your browser continuously force-open suspicious sites without prompt, it could be due to adware installed onto it or the present. If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.

Screenshot of a notification/ad delivered by thebestcaptcha[.]top website:

Advert delivered by thebestcaptcha[.]top site

Appearance of thebestcaptcha[.]top website (GIF):

thebestcaptcha[.]top website appearance (GIF)

Another appearance of thebestcaptcha[.]top website:

Appearance of thebestcaptcha[.]top website

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
▼ DOWNLOAD Combo Cleaner By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by Rcs Lt, the parent company of PCRisk.com read more.

Quick menu:

Disable unwanted browser notifications:

Video showing how to disable web browser notifications:

Google Chrome logoRemove spam notifications from Google Chrome:

Click the Menu button (three dots) on the right upper corner of the screen and select "Settings". In the opened window select "Privacy and security", then click on "Site Settings" and choose "Notifications".

Disable web browser notifications in Google Chrome (step 1)

In the "Allowed to send notifications" list search for websites that you want to stop receiving notifications from. Click on the three dots icon near the website URL and click "Block" or "Remove" (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Google Chrome (step 2)

Android logoRemove spam notifications from Google Chrome (Android):

Tap the Menu button (three dots) on the right upper corner of the screen and select "Settings". Scroll down, tap on "Site settings" and then "Notifications".

Disable web browser notifications in Google Chrome - Android (step 1)

In the opened window, locate all suspicious URLs and tap on them one-by-one. Once the pop-up shows up, select either "Block" or "Remove" (if you tap "Remove" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Google Chrome - Android (step 2)

Mozilla Firefox logoRemove spam notifications from Mozilla Firefox:

Click the Menu button (three bars) on the right upper corner of the screen. Select "Settings" and click on "Privacy & Security" in the toolbar on the left hand side of the screen. Scroll down to the "Permissions" section and click the "Settings" button next to "Notifications".

Disable web browser notifications in Mozilla Firefox (step 1)

In the opened window, locate all suspicious URLs and block them using the drop-down menu or either remove them by clicking "Remove Website" at the bottom of the window (if you click "Remove Website" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Mozilla Firefox (step 2)

Microsoft Edge logoRemove spam notifications from Microsoft Edge:

Click the menu button (three dots) on the right upper corner of the Edge window and select "Settings". Click on "Cookies and site permissions" in the toolbar on the left hand side of the screen and select "Notifications".

Disable web browser notifications in Microsoft Edge (step 1)

Click three dots on the right hand side of each suspicious URL under "Allow" section and click "Block" or "Remove" (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again).

Disable web browser notifications in Microsoft Edge (step 2)

Safari logoRemove spam notifications from Safari (macOS):

Click "Safari" button on the left upper corner of the screen and select "Preferences...". Select the "Websites" tab and then select "Notifications" section on the left pane.

Disable web browser notifications in Safari - macOS (step 1)

Check for suspicious URLs and apply the "Deny" option using the drop-down menu or either remove them by clicking "Remove" at the bottom of the window (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again)

Disable web browser notifications in Safari - macOS (step 2)

How to avoid browser notification spam?

Internet users should be very skeptical when being asked to allow notifications. While this is a useful feature that allows you to receive timely news from websites you like, deceptive marketers frequently abuse it.

Only allow notifications from websites that you fully trust. For added security - use an anti-malware application with a real-time web browsing monitor to block shady websites that tries to trick you into allowing spam notifications. We recommend using Combo Cleaner Antivirus for Windows.

Frequently Asked Questions (FAQ)

Why am I seeing ads (browser notifications) delivered by thebestcaptcha[.]top in the right lower corner of my desktop?

Websites cannot deliver browser notifications without user permission. Therefore, you've likely entered thebestcaptcha[.]top and pressed "Allow", "Allow Notifications", or an analogous option presented on this webpage.

I have clicked on notification ads, is my computer infected?

No, clicking on a browser notification will not initiate any system infection chains. However, these advertisements endorse harmful content capable of causing severe issues (including malware infections).

Is thebestcaptcha[.]top a virus?

No, thebestcaptcha[.]top is not classified as a virus, but it can endorse virulent content. Rogue websites typically push various scams, unreliable/harmful software, and even malware.

Will Combo Cleaner remove thebestcaptcha[.]top ads automatically or manual steps are still required?

Yes, Combo Cleaner will scan your system and remove all the permissions given to the thebestcaptcha[.]top webpage. Additionally, it will block further access to this and other rogue, deceptive/scam, and malicious sites. Therefore, no extra steps will be required.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Removal Instructions in other languages
Software uninstall instructions
Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

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