How to remove BlackURLDefender adware?
Written by Tomas Meskauskas on
What is BlackURLDefender adware?
BlackURLDefender is advertised as an extension that checks the visited websites in its blacklist and prevents users from opening them. However, BlackURLDefender is classified as adware - it displays advertisements. Also, it can read and change data on the pages that users visit.
BlackURLDefender adware in detail
BlackURLDefender could display advertisements designed to open scam websites asking to provide sensitive information (like credit card details, names, surnames, addresses), download websites for browser hijackers, or other potentially unwanted applications (PUAs).
Apps like BlackURLDefender usually display banners, coupons, surveys, pop-ups, or other types of advertisements. A couple of examples of pages that ads from BlackURLDefender could be designed open are "Customer Experience Survey", "Win The New iPhone 12", and "Your Device Might Have Security Issues".
Additionally, BlackURLDefender may collect information that could be misused for marketing purposes, sold to third parties, used to steal identities, personal accounts, and so on. This application cannot be trusted.
| Name | Ads by BlackURLDefender |
| Threat Type | Adware, push notifications ads |
| 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, fake installers |
| 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
It is very common for apps like BlackURLDefender to be promoted and (or) distributed using questionable methods. Adware-type apps are useless to their users and can cause them various issues. More adware examples are Pop Star, BettingSiteDefender, and Green Blocker.
How did adware install on my computer?
BlackURLDefender is promoted through a questionable website offering to fix errors and increase computer speed. It could be distributed through downloaders and installers for other programs as well. Users download and install apps of this type when they leave "Advanced", "Custom" or other options that downloaders and installers have unchanged.
Also, users download or install unwanted apps by clicking on untrustworthy advertisements designed to execute specific scripts, or through fake installers (like a fake Adobe Flash Player installer).
How to avoid installation of potentially unwanted applications?
Third-party downloaders (and installers), unofficial pages, and similar sources should not be trusted. Files and programs should be downloaded from legitimate websites and via direct links. Downloaders and installers that have any settings should be checked for optional downloads or installations.
Advertisements that unreliable websites have on them should not be trusted (those ads could open malicious sites or cause unexpected downloads, installations). If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.
Deceptive website offering to download BlackURLDefender adware:
Instant automatic malware removal:
Manual threat removal might be a lengthy and complicated process that requires advanced IT 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:
- What is BlackURLDefender?
- 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.
Adware removal:
Windows 11 users:
Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.
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 BlackURLDefender 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.
Optional method:
If you continue to have problems with removal of the ads by blackurldefender, 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.
Optional method:
Computer users who have problems with ads by blackurldefender 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.
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...
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.
Optional method:
If you continue to have problems with removal of the ads by blackurldefender, 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.
Summary:
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.
Post a comment:
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Frequently Asked Questions (FAQ)
What harm can adware cause?
Having advertising-supported software installed can result in diminished Internet browsing experience and decreased computer performance.
What does adware do?
The purpose of adware is to generate revenue for its developer by displaying various advertisements.
How do adware developers generate revenue?
Usually, individuals behind adware generate revenue by promoting various products, websites or services. Most of the profit is generated via various affiliate programs.
Will Combo Cleaner remove BlackURLDefender adware?
Yes, Combo Cleaner will scan your computer and get rid of all unwanted applications (including adware). Note that manual removal may not be the perfect solution - various file leftovers may remain hiding in the operating system.
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