How to stop threecaptcha.com from displaying notifications
Written by Tomas Meskauskas on (updated)
What kind of website is threecaptcha[.]com?
After analyzing threecaptcha[.]top, we concluded that it is one of the many untrustworthy pages designed to lure visitors into agreeing to receive notifications. In addition to showing deceptive content, threecaptcha[.]top redirects to scam websites. Thus, threecaptcha[.]top, its notifications, and pages opened by it cannot be trusted.
Threecaptcha[.]com in detail
Threecaptcha[.]top instructs visitors to click the "Allow" button to pass a fake CAPTCHA. It displays a message saying that it is required to click that button to prove that visitors are not robots. In reality, threecaptcha[.]top aims to trick visitors into allowing it to show notifications.
Notifications displayed by pages like threecaptcha[.]top usually promote untrustworthy pages and potentially malicious apps. For example, they promote phishing pages, technical support scam sites, shady pages offering (or urging) to download questionable software, etc. In some cases, those notifications can promote malicious pages.
Additionally, threecaptcha[.]top redirects to a website running a scam similar to "Amazon Loyalty Program". It promotes a page (or multiple pages) claiming that a visitor has won (or a chance to win) a prize and requesting to provide sensitive information. Also, this scam page may ask to pay "administration", "shipping", or another fee.
Name | Ads by threecaptcha.com |
Threat Type | Push notifications ads, Unwanted ads, Pop-up ads |
Detection Names | N/A (VirusTotal) |
Serving IP Address | 5.8.45.175 |
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, 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. |
More about websites of this type
Pages like threecaptcha[.]top get opened via other pages of this kind. For example, various illegal movie streaming pages, torrent sites, and other websites that use rogue advertising networks (cause unwanted redirects and show deceptive ads). Also, they can be promoted via advertising-supported apps. Either way, users do not visit them on purpose.
There are plenty of similar sites. Some examples are adslivetraining[.]com, ourhotposts[.]com, and week-tale[.]xyz.
How did threecaptcha[.]com gain permission to deliver spam notifications?
The "Allow" button was clicked while visiting threecaptcha[.]top. Neither threecaptcha[.]top nor any other page can display notifications without permission. Typically, pages of this type display deceptive content (use clickbait techniques) to lure visitors into agreeing to receive notifications.
How to prevent deceptive sites from delivering spam notifications?
Click the "Block" button when a browser notifies you that a visited shady website wants to show notifications or close that page. Remember that legitimate websites never say that it is required to click the "Allow" button to play a video, continue visiting the page, download a file, etc.
If you are receiving unwanted notifications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.
Threecaptcha[.]com redirects to a scam website similar to "Amazon Loyalty Program".(GIF):
Notification displayed by threecaptcha[.]top:
Video showing how to eliminate ads delivered by threecaptcha[.]top using Combo Cleaner:
Instant automatic malware removal:
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Quick menu:
- What is Ads by threecaptcha.com?
- STEP 1. Remove spam notifications from Google Chrome
- STEP 2. Remove spam notifications from Google Chrome (Android)
- STEP 3. Remove spam notifications from Mozilla Firefox
- STEP 4. Remove spam notifications from Microsoft Edge
- STEP 5. Remove spam notifications from Safari (macOS)
Disable unwanted browser notifications:
Video showing how to disable web browser notifications:
Remove 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".
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).
Remove 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".
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).
Remove 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".
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).
Remove 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".
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).
Remove 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.
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)
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 threecaptcha[.]top in the right lower corner of my desktop?
If a website delivers notifications, it is because it has been allowed to do so. Threecaptcha[.]top was visited, and the "Allow" button was clicked when a browser displayed a pop-up window saying that this page is willing to show notifications.
I have clicked on notification ads, is my computer infected?
A computer cannot be infected by a notification. Still, it can be infected by or through a page opened by such notification.
Is threecaptcha[.]top a virus?
Threecaptcha[.]top and other websites of this type are not viruses. Their purpose is to promote other pages of this kind (e.g., various scam sites), shady apps, etc.
Will Combo Cleaner remove threecaptcha[.]top ads automatically or manual steps are still required?
Yes, Combo Cleaner will scan the operating system and eliminate permissions granted for threecaptcha[.]top. Also, it will block further access to threecaptcha[.]top. No additional steps will be required.
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