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Remove apps designed to promote captchareverse.com

Also Known As: Ads by captchareverse.com
Damage level: Medium

What is captchareverse[.]com?

Сaptchareverse[.]com is a deceptive website designed to load questionable content and promote other pages of this kind. It is very similar to a great number of other sites.

A couple of examples are video-notification[.]digital, ngthatwe[.]fun, and ndmeeting[.]fun. Another thing that websites like captchareverse[.]com have in common is that users do not visit them intentionally.

Usually, users end up on them after clicking on deceptive advertisements, while visiting other questionable sites or when browsers have some potentially unwanted application (PUA) installed on them that regularly opens such pages.

captchareverse[.]com pop-up redirects

When visited, captchareverse[.]com checks the visitor's geolocation/IP address and then loads its content or opens about two, three dubious websites. At the time of the research captchareverse[.]com opened a scam page virtually identical to "Browser Opinion Survey".

It is not uncommon for pages like captchareverse[.]com to open scam websites, or other untrustworthy pages, for example, deceptive download websites for browser hijackers, adware, and other unwanted software. It is important to mention that captchareverse[.]com and many other websites of this type show deceptive messages encouraging visitors to click the "Allow" button.

In other words, most of these pages use a certain clickbait technique to trick visitors into allowing them to show notifications. Captchareverse[.]com displays a fake CAPTCHA asking visitors to click the "Allow" button to prove that they are not robots.

Users who agree to receive notifications from pages like captchareverse[.]com constantly see notifications with links to potentially malicious pages in them, shady advertisements, etc. Therefore, it is advisable that pages like captchareverse[.]com should never be allowed to show notifications.

It is quite common that browsers that open websites like captchareverse[.]com have some potentially unwanted application installed in them (or there is one installed on the operating system). It is noteworthy that PUAs can be designed to generate advertisements (for example, coupons, banners, surveys, etc.).

Moreover, their ads can be used to advertise untrustworthy websites or even distribute unwanted apps by designing to start download or installation process by executing certain scripts. Another important detail about PUAs is that they can be designed to collect information about their users.

For instance, Internet Protocol addresses, addresses of visited websites, entered search queries, geolocations. Although, it is known that there are PUAs that can access not only browsing data but also personal, sensitive details.

Information collected by PUAs is likely to be misused for marketing purposes, sold to third parties (potentially cybercriminals), or misused to generate revenue in other ways.

Threat Summary:
Name Ads by captchareverse.com
Threat Type Push notifications ads, Unwanted ads, Pop-up ads
Detection Names Fortinet (Malware), G-Data (Malware), alphaMountain.ai (Suspicious), Full List Of Detections (VirusTotal)
Serving IP Address 5.8.34.12
Observed Domains a.captchareverse[.]com, b.captchareverse[.]com, c.captchareverse[.]com, d.captchareverse[.]com, e.captchareverse[.]com, f.captchareverse[.]com, g.captchareverse[.]com, undefined.captchareverse[.]com
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.

In conclusion, neither PUAs, captchareverse[.]com, or pages that sites like this one open are trustworthy. If there is an app of this kind already installed on a browser and or the operating system, then it should be uninstalled as soon as possible.

By having apps of this kind installed, users risk to become victims of identity theft, encounter problems with online privacy, browsing safety, or other issues. It is worthwhile to mention that most PUAs are advertised as useful, but in reality, they are designed to generate revenue for their developers.

How did adware install on my computer?

Most users download and install potentially unwanted applications accidentally: through deceptive advertisements or when developers use a "bundling" method to distribute those apps. Advertisements can cause unwanted downloads or even installations when they are designed to execute certain scripts.

They start downloading or even installing unwanted software after they are clicked. In the second case users download or install potentially unwanted apps together with other programs, when PUAs are included in downloaders or installers as extra offers.

Users can find and decline those offers in "Custom", "Advanced" (or other) settings, or by unticking checkboxes that downloaders or installers for those programs have. When users leave those settings unchanged they also agree to download or install included PUAs.

How to avoid installation of potentially unwanted applications?

It is recommended to download programs from official websites and via direct links. It is not safe to use other channels for that, for example, third-party downloaders, torrent clients, eMule (and other Peer-to-Peer networks), unofficial websites, etc.

Third-party installers should not be used too. Also, it is advisable that downloads and installations should not be finished without checking downloaders, installers for "Advanced", "Custom" and other similar settings.

The main reason why those settings should be checked is that they often mention additional downloads, installations that can be opted out. Additionally, it is recommended not to click on advertisements when they appear on shady pages.

Quite often, users who click on those ads allow them to open untrustworthy websites or cause unwanted downloads, sometimes even installations Unknown, unwanted and suspicious extensions, plug-ins or add-ons installed on a browser (or programs of this kind installed on the operating system), should be uninstalled.

If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.

Appearance of captchareverse[.]com website (GIF):

captchareverse[.]com 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.

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