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How to get rid of apps used to promote reverscaptcha.com?

Also Known As: Ads by reverscaptcha.com
Type: Adware
Damage level: Medium

What is reverscaptcha[.]com?

Reverscaptcha[.]com is quite similar to 1video-online[.]me, lootynews[.]com, romanticdating-day[.]com and a great number of other websites designed to promote a variety of untrustworthy pages and load deceptive content. Typically, pages like reverscaptcha[.]com are promoted through potentially unwanted applications (PUAs), shady advertisements, and other untrustworthy pages.

reverscaptcha[.]com pop-up redirects

Reverscaptcha[.]com in detail

Usually, pages like reverscaptcha[.]com are designed to promote questionable pages. It is common that they open sites asking to provide personal information (e.g., names, surnames, credit card details, passwords), encouraging to download or install adware, browser hijackers (or other potentially unwanted applications), and so on.

A couple of examples of pages that sites like reverscaptcha[.]com usually promote are "Access To This Pc Has Been Blocked For Security Reasons", "SPIN FOR REWARD", "Google Membership Rewards".

It is known that reverscaptcha[.]com asks for permission to show its notifications. It is important to mention that websites of this type usually use some clickbait technique to trick visitors into allowing them to show notifications (into clicking the "Allow" button). This page displays a fake CATPCHA test encouraging to click the "Allow" button to prove that visitors are not robots.

It is recommended not to agree to receive notifications from reverscaptcha[.]com or any other similar website. The main reason why their notifications cannot be trusted is that they contain links to potentially malicious pages, questionable advertisements, etc.

As mentioned in the introduction paragraph, one of the ways to promote sites like reverscaptcha[.]com is to trick users into downloading and installing potentially unwanted applications. Apps of this kind can be designed to collect various data and generate advertisements.

Most PUAs target IP addresses, geolocations, entered search queries, visited pages, and other browsing-related data. There are PUAs that can read personal (sensitive) information as well.

Another issue is that collected details could be used for marketing purposes, steal identities, sell to third parties (potentially cybercriminals), or monetized in other ways.

Examples of advertisements that PUAs can generate are coupons, banners, surveys, pop-up ads. It is common for those ads to be designed to open questionable pages or execute certain scripts and then download or even install unwanted apps.

Threat Summary:
Name Ads by reverscaptcha.com
Threat Type Push notifications ads, Unwanted ads, Pop-up ads
Serving IP Address 5.8.34.33
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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Potentially unwanted applications and pages like reverscaptcha[.]com in general

In conclusion, users rarely visit pages like reverscaptcha[.]com or download and install PUAs on purpose. It is worth mentioning that PUAs often are advertised as legitimate applications.

However, most PUAs or websites promoted through them are trustworthy, legitimate, useful, etc. Usually, their main purpose is to promote other questionable pages, display shady ads or generate revenue for their developers in other ways.

How did adware install on my computer?

Pretty often, potentially unwanted applications can be found in downloaders, installers for other programs as additional, optional offers. This distribution method is known as "bundling".

Usually, those downloaders, installers have ticked checkboxes or "Manual", "Advanced", "Custom" (or other) settings, options. Users can use their settings to deselect unwanted applications/decline unwanted offers.

When users download or install programs without changing the aforementioned settings, they agree to download or install offered applications as well. It is worth mentioning that PUAs are offered in downloaders, installers for free programs.

How to avoid installation of potentially unwanted applications?

It is advisable to use official and trustworthy websites (and direct links) to download applications, files. Other sources like third-party downloaders (and installers), unofficial websites, Peer-to-Peer networks (for example, torrent clients, eMule), can be used to distribute potentially unwanted or even malicious applications.

Downloaders and installers that have optional offers should be inspected. Usually, they have "Advanced", "Custom" or other settings, or some checkboxes that can be used to decline unwanted offers.

Additionally, it is recommended not to trust advertisements that appear on questionable websites. Pretty often, those ads are used to advertise untrustworthy websites or distribute unwanted applications.

Any unwanted, suspicious extensions, plug-ins, or add-ons installed on a browser or programs of this kind installed on the operating system should be removed. 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 reverscaptcha[.]com website (GIF):

reverscaptcha[.]com website appearance (GIF)

IMPORTANT NOTE! This deceptive site asks to enable web browser notifications.

Therefore, before commencing, perform these steps:

Google Chrome (PC):

  • Click the Menu button (three dots) on the right upper corner of the screen
  • Select "Settings", scroll down to the bottom and click "Advanced"
  • Scroll down to the "Privacy and security" section, select "Content settings" and then "Notifications"
  • Click three dots on the right hand side of each suspicious 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 pop-up' notifications in Google Chrome web browser

Google Chrome (Android):

  • Click on the Menu button (three dots) on the right upper corner of the screen and click "Settings"
  • Scroll down, click on "Site settings" and then "Notifications"
  • In the opened window, locate all suspicious URLs and click on them one-by-one
  • Select "Notifications" in the "Permissions" section and set the toggle button to "OFF"

Disable pop-up' notifications in Android Google Chrome web browser

Mozilla Firefox:

  • Click the Menu button (three bars) on the right upper corner of the screen
  • Select "Options" 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"
  • In the opened window, locate all suspicious URLs, click the drop-down menu and select "Block"

Disable pop-up' notifications in Mozilla Firefox web browser

Microsoft Edge:

  • Click the menu button (three dots) on the right upper corner of the Edge window and select "Settings"
  • Click on "Site permissions" in the toolbar on the left hand side of the screen and select "Notifications"
  • 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 pop-up notifications in Microsoft Edge web browser

Safari (Mac):

  • 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
  • Check for suspicious URLs and apply the "Deny" option for each

Disable pop-up' notifications in Safari web browser

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:
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Quick menu:

Adware removal:

Windows 10 users:

Accessing Programs and Features (uninstall) in Windows 8

Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.

Windows 7 users:

Accessing Programs and Features (uninstall) in Windows 7

Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.

macOS (OSX) users:

Uninstall app in OSX (Mac)

Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.

reverscaptcha[.]com adware uninstall via Control Panel

In the uninstall programs window, look for any potentially unwanted applications, select these entries and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted application that causes reverscaptcha[.]com redirects, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove adware from Internet browsers:

Video showing how to eliminate ads delivered by reverscaptcha[.]com using Combo Cleaner:

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing reverscaptcha[.]com ads from Google Chrome step 1

Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome), select "More tools" and click "Extensions". Locate all recently-installed suspicious browser add-ons and remove them.

Removing reverscaptcha[.]com ads from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the ads by reverscaptcha.com, reset your Google Chrome browser settings. Click the Chrome menu icon Google Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.

Google Chrome settings reset step 1

After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.

Google Chrome settings reset step 2

In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.

Google Chrome settings reset step 3

Mozilla Firefox logoRemove malicious plug-ins from Mozilla Firefox:

Removing reverscaptcha[.]com ads from Mozilla Firefox step 1

Click the Firefox menu firefox menu icon (at the top right corner of the main window), select "Add-ons". Click "Extensions", in the opened window, remove all recently-installed suspicious browser plug-ins.

Removing reverscaptcha[.]com ads from Mozilla Firefox step 2

Optional method:

Computer users who have problems with ads by reverscaptcha.com removal can reset their Mozilla Firefox settings.

Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, firefox menu icon in the opened menu, click Help.

Accessing settings (Reset Firefox to default settings step 1)

Select Troubleshooting Information.

Accessing Troubleshooting Information (Reset Firefox to default settings step 2)

In the opened window, click the Refresh Firefox button.

Clicking on Refresh Firefox button (Reset Firefox to default settings step 3)

In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.

Confirm your want to reset Firefox settings to default (Reset Firefox to default settings step 4)

safari browser logoRemove malicious extensions from Safari:

removing adware from safari step 1 - accessing preferences

Make sure your Safari browser is active, click Safari menu, and select Preferences....

removing adware from safari step 2 - removing extensions

In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.

Optional method:

Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...

resetting safari step 1

In the opened window select all history and click the Clear History button.

resetting safari step 2

Microsoft Edge (Chromium) logoRemove malicious extensions from Microsoft Edge:

Removing adware from Microsoft Edge step 1

Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.

Removing adware from Microsoft Edge step 2

Optional method:

If you continue to have problems with removal of the ads by reverscaptcha.com, reset your Microsoft Edge browser settings. Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge) and select Settings.

Microsoft Edge (Chromium) reset step 1

In the opened settings menu select Reset settings.

Microsoft Edge (Chromium) reset step 2

Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.

Microsoft Edge (Chromium) reset step 3

  • If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.

Summary:

declining installation of adware while downloading free software sampleCommonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.

Removal assistance:
If you are experiencing problems while trying to remove ads by reverscaptcha.com from your computer, please ask for assistance in our malware support forum.

Post a comment:
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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
Ads by reverscaptcha.com QR code
Scan this QR code to have an easy access removal guide of Ads by reverscaptcha.com on your mobile device.
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