What is captcha-bros[.]com?
Captcha-bros[.]com is a website that uses a clickbait technique to trick visitors into allowing it to show notifications and opens other questionable websites. There is a great deal of pages like captcha-bros[.]com on the Internet, some examples are news-bobicu[.]cc, typiccor[.]com, and tik-ttok[.]net. Users do not visit pages of this kind intentionally.
Captcha-bros[.]com in detail
It is common for pages like captcha-bros[.]com to be promoted via other dubious websites, untrustworthy advertisements, and potentially unwanted applications (PUAs). Once visited, they load deceptive content and (or) open about two or three other potentially malicious web pages. Either way, these pages cannot be trusted.
It is known that captcha-bros[.]com loads a fake CAPTCHA test (uses a clickbait technique) to trick visitors into clicking the "Allow" button. If allowed, captcha-bros[.]com shows notifications with links to untrustworthy pages, deceptive advertisements in them. For this reason, it is recommended not to agree to receive notifications from captcha-bros[.]com.
At the time of the research, captcha-bros[.]com opened Gearbest website. It is likely that individuals behind captcha-bros[.]com get paid a referral fee when its visitors purchase something on Gearbest page. It is important to mention that captcha-bros[.]com could open untrustworthy websites as well.
It could open pages similar to "IP Address & Personal Information Might Be Exposed", "CONGRATULATIONS, YOU ARE THE VISITOR NO. 1.000.000", "Your Device Is Infected With A Spam Virus", and other pages designed to trick visitors into providing personal information, downloading and installing potentially unwanted applications, etc.
More about potentially unwanted applications
PUAs can be designed to generate online advertisements and gather various information. Usually, they display coupons, pop-up ads, surveys, banners, and other ads designed to open shady, potentially malicious pages or download (or install) unwanted applications by running certain scripts.
Also, PUAs can be designed to gather IP addresses , entered search queries, geolocations, addresses of visited pages, and other browsing-related details. In some cases, apps o this kind are capable of accessing personal information as well. The biggest problem is that gathered data might be misused to generate revenue.
For instance, it could be sold to third parties (potentially cybercriminals), used for marketing purposes, to steal online accounts, make unauthorized purchases. Therefore, any PUAs installed on a browser or operating system should be removed as soon as possible. Typically, users download and install apps of this kind unknowingly.
|Name||Ads by captcha-bros.com|
|Threat Type||Push notifications ads, Unwanted ads, Pop-up ads|
|Detection Names||Fortinet (Malware), Spamhaus (Spam), Full List Of Detections (VirusTotal)|
|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.
Potentially unwanted applications in general
Potentially unwanted applications can be designed to promote websites like captcha-bros[.]com, generate advertisements and collect various data. Typically, they are useless and can be the culprit of various problems. Most of them are promoted using questionable, deceptive methods. It is advisable not to have any PUAs installed on browsers or computers.
How did adware install on my computer?
Quite often, PUAs are distributed by including them in downloaders and installers for other programs as extra offers. This distribution method is known as "bundling". It is used to trick users into downloading or installing PUAs with other programs that they download or install intentionally.
Typically, unwanted offers can be found and deselected in "Advanced", "Custom", "Manual", or other settings, or by unticking ticked checkboxes. When users do not change those settings before finishing downloads and installations, they agree to download or install included PUAs. Sometimes users cause unwanted downloads or installations by clicking deceptive advertisements.
How to avoid installation of potentially unwanted applications?
Quite often, free programs are bundled with potentially unwanted applications. Therefore, it is recommended to check downloaders and installers for additionally included applications and decline unwanted offers before finishing downloads and installations. Furthermore, files and programs should be downloaded from official pages and via direct download links.
It is not safe to use third-party downloaders (or installers), unofficial websites, Peer-to-Peer networks (torrent clients, eMule), and other similar sources. Also, it is not safe to click ads if they appear on untrustworthy websites (for example, on pages related to pornography, adult dating, gambling). Those ads can open deceptive websites, cause unwanted installations.
Suspicious or unknown extensions, add-ons, or plug-ins installed on a web browser (or browsers) should be removed. Programs of this kind installed on the operating system should be removed too. 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 captcha-bros[.]com website (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 and select "Settings"
- Scroll down to the "Privacy and security" section, select "Site settings" and then "Notifications"
- Click three dots on the right hand side of each suspicious URL and select "Block" or "Remove" (if you click "Remove" and visit the malicious site once more, it will ask to enable notifications again)
Google Chrome (Android):
- Click on the Menu button (three dots) on the right upper corner of the screen and tap "Settings"
- Scroll down, tap on "Site settings" and then "Notifications"
- 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)
- 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"
- 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)
- 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"
- 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)
- 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 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)
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:
- What is captcha-bros[.]com?
- STEP 1. Uninstall adware applications using Control Panel.
- STEP 2. Remove rogue plug-ins from Google Chrome.
- STEP 3. Remove adware-type extensions from Mozilla Firefox.
- STEP 4. Remove malicious extensions from Safari.
- STEP 5. Remove rogue plug-ins from Microsoft Edge.
Windows 10 users:
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:
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:
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.
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 captcha-bros[.]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 remove potentially unwanted browser add-ons:
Remove malicious extensions from Google Chrome:
Click the 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.
If you continue to have problems with removal of the ads by captcha-bros.com, reset your Google Chrome browser settings. Click the 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.
After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.
In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.
Remove malicious plug-ins from Mozilla Firefox:
Click the Firefox menu (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.
Computer users who have problems with ads by captcha-bros.com removal can reset their Mozilla Firefox settings.
Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.
Select Troubleshooting Information.
In the opened window, click the Refresh Firefox button.
In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.
Remove malicious extensions from Safari:
Make sure your Safari browser is active, click Safari menu, and select Preferences....
In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.
Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...
In the opened window select all history and click the Clear History button.
Remove malicious extensions from Microsoft Edge:
Click the Edge 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.
If you continue to have problems with removal of the ads by captcha-bros.com, reset your Microsoft Edge browser settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings.
In the opened settings menu select Reset settings.
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.
- If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.
Commonly, 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.
If you are experiencing problems while trying to remove ads by captcha-bros.com from your computer, please ask for assistance in our malware support forum.
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