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How to uninstall apps force-opening the captchaverifier.top website?

Also Known As: captchaverifier.top pop-up
Damage level: Medium

What is captchaverifier[.]top?

Captchaverifier[.]top is a rogue website sharing many similarities with captcha-bros.com, news-bobicu.cc, typiccor.com, financesurvey365.org, and countless others. This page is designed to load dubious content and/or redirect visitors to different sites (likely unreliable or malicious ones).

Users rarely intentionally access such webpages; most get redirected to them by untrustworthy websites, intrusive ads, or installed PUAs (Potentially Unwanted Applications). This software can infiltrate systems without user permission and subsequently cause redirects, run intrusive advertisement campaigns, and collect browsing data.

captchaverifier[.]top pop-up redirects

Captchaverifier[.]top in detail

The behavior of rogue sites is dictated by their visitors' geolocations. The webpages learn their information by checking users' IP (Internet Protocol) addresses. This applies to captchaverifier[.]top as well. Hence, whether visitors get redirected elsewhere and/or are presented with questionable content - depends on their geolocations.

Additionally, most websites of this kind use clickbait or other deceptive content - to trick visitors into enabling their browser notifications. Captchaverifier[.]top is not an exception to this; it employs fake CAPTCHA verification for this purpose. Should the notifications be allowed, captchaverifier[.]top will start running intrusive ad campaigns.

The delivered advertisements are misleading, untrustworthy, and may even be malicious. They promote various rogue, unreliable, and dangerous sites. Furthermore, some of these ads can infiltrate software (e.g., PUAs) without user consent - once they are clicked on.

How do potentially unwanted applications operate?

Potentially unwanted applications can have different heinous functionalities, and these functions can be varied combinations. For example, these apps can force-open websites and/or deliver intrusive advertisement campaigns. What is more, PUAs usually have data tracking abilities.

Unwanted apps can monitor browsing activity (URLs visited, pages viewed, search queries typed, etc.) and gather vulnerable information inferred from it (IP addresses/ geolocations, personally identifiable details, etc.). The gathered data is monetized by being shared with and/or sold to third-parties (potentially, cyber criminals).

To summarize, the presence of unwanted software on devices can lead to system infections, severe privacy issues, financial losses, and even identity theft. Therefore, it is strongly advised to remove all suspect applications and browser extensions/plug-ins immediately upon detection.

Threat Summary:
Name captchaverifier.top pop-up
Threat Type Push notifications ads, Unwanted ads, Pop-up ads
Detection Names Fortinet (Spam), Spamhaus (Spam), Full List Of Detections (VirusTotal)
Observed Domains g.captchaverifier[.]top; e.captchaverifier[.]top; b.captchaverifier[.]top; d.captchaverifier[.]top; a.captchaverifier[.]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, 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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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.

Potentially unwanted applications in general

PUAs appear legitimate and offer a broad range of "handy" features. However, the advertised functions are seldom operational. Unwanted apps only aim to generate profit for the developers; hence, functionality and user safety are irrelevant. PUAs are designed to cause redirects, deliver intrusive ad campaigns, and collect private data.

How did adware install on my computer?

PUAs can be downloaded/installed alongside other products. This false marketing technique of packing regular software with unwanted or malicious additions - is termed "bundling". These supplements can be hidden within the "Custom/Advanced" settings or left unmentioned entirely.

By rushing through download/installation processes (e.g., ignoring terms, using "Easy/Express" settings, skipping steps and sections, etc.), users risk unintentionally allowing bundled content into their devices, thereby endangering the systems with potential infections.

Intrusive advertisements are used to proliferate PUAs as well. Once clicked on, the adverts can execute scripts to download/install this software stealthily. Some PUAs may also have "official" promotional sites from which they can be downloaded and/or purchased.

How to avoid installation of potentially unwanted applications?

It is highly recommended to research products before download/installation. Additionally, all downloads must be done from official/verified sources. Untrustworthy download channels, e.g., Peer-to-Peer sharing networks, unofficial and freeware websites, and other third-party downloaders - often offer bundled content.

When downloading/installing, it is advised to read terms, study possible options, use the "Custom/Advanced" settings, and opt-out from additional apps, tools, features, and so on. Intrusive adverts appear legitimate; however, they redirect to unreliable and questionable sites (e.g., gambling, adult-dating, pornography, etc.).

Should users encounter ads and/or redirects of this type, they must check their devices and immediately remove all dubious applications and browser extensions/plug-ins. 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 an advertisement delivered by the captchaverifier[.]top website:

Ad delivered by captchaverifier[.]top site

Appearance of the captchaverifier[.]top website (GIF):

captchaverifier[.]top website appearance (GIF)

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer 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.

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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.

QR Code
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