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How to remove BlackURLDefender adware?

Also Known As: Ads by BlackURLDefender
Type: Adware
Damage level: Medium

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 notification from a browser

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.

Threat Summary:
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)

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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:

blackurldefender adware deceptive website offering to install blackurldefender extension

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.

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.

BlackURLDefender 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 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:

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing BlackURLDefender 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 BlackURLDefender ads from Google Chrome step 2

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 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 BlackURLDefender 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 BlackURLDefender ads from Mozilla Firefox step 2

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, 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 blackurldefender, 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 blackurldefender from your computer, please ask for assistance in our malware support forum.

Post a comment:
If you have additional information on ads by blackurldefender or it's removal please share your knowledge in the comments section below.

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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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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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 BlackURLDefender QR code
Scan this QR code to have an easy access removal guide of Ads by BlackURLDefender on your mobile device.
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