How to uninstall the AdBlock Stream adware from a web browser?

Also Known As: Ads by AdBlock Stream
Type: Adware
Distribution: Low
Damage level: Medium

AdBlock Stream redirect removal instructions

What is AdBlock Stream?

AdBlock Stream is advertised as an app that blocks ads, improves performance in a browser and protects online privacy and security. However, this app does the opposite of what it supposed to do - it functions as adware (serves advertisements). Also, it reads data from websites that its users visit. Typically, users download and install adware unknowingly, for this reason AdBlock Stream and other apps of this type are categorized as potentially unwanted applications (PUAs).

AdBlock Stream pop-up redirects

Usually, when ad-supported software like AdBlock Stream is installed on a browser and/or the operating system, it generates banners, coupons, banners, surveys, pop-ups ads or ads of other types. Moreover, it is common that those ads are designed to open various untrustworthy, or even malicious websites. In some cases they are designed to cause unwanted downloads, installations by running certain scripts. Therefore, it is not safe to click ads that are generated by adware, including AdBlock Stream. Furthermore, this app is designed to gather information related to user's browsing activities. It is unknown what exactly it collects, however, it is very likely that it targets details like addresses of visited pages, entered search queries, IP addresses, geolocations, and other browsing data. Although, it is possible that targets sensitive details as well. What is worse, its developers may misuse collected data to generate revenue, for instance, they may sell it to third parties (potentially cyber criminals). It means that users who have software like AdBlock Stream installed on a browser (and/or computer) may encounter problems related to online privacy, web browsing safety, it is possible that they may become victims identity theft as well.

Threat Summary:
Name Ads by AdBlock Stream
Threat Type Adware
Symptoms Your computer becomes slower than normal, you see unwanted pop-up ads, you are redirected to dubious websites.
Distribution methods Deceptive pop-up ads, free software installers (bundling), fake Flash Player installers, torrent file downloads.
Damage Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites, loss of private information.
Malware Removal (Windows)

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OneLaunch, WebFox and WebDefence are the names of programs that are designed to generate advertisements too. Another thing that most of them have in common is that they are designed to gather some data. To summarize, advertising-supported software is designed only to generate revenue for its developer and is useless to its user. Therefore, software of this type should not be downloaded and installed.

How did adware install on my computer?

Sometimes PUAs (including adware-type applications) are distributed via deceptive advertisements that, if clicked, download and/or install them by executing certain scripts. Although, it is more common that such apps are distributed by including them in download or installation setups of other programs as additional offers. Usually such offers can be declined via settings like "Advanced", "Custom", "Manual", or by unticking certain checkboxes before competing download and/or installation processes of programs. However, not all users check and change them. In such cases users allow for included apps to be downloaded and/or installed alongside with the programs that those apps included in their download and/or installation setups.

How to avoid installation of potentially unwanted applications?

Advertisements on questionable pages can be designed to open various untrustworthy, potentially malicious websites or cause unwanted downloads, installations. Therefore, such ads should bot be clicked. Third party installers, downloaders, torrent clients, eMule (and other Peer-to-Peer networks), unofficial pages, free file hosting sites, etc., can be used to distribute unwanted apps as well. Programs and files should be downloaded from official pages and via direct download links. Download and/or installation setups that have settings like "Advanced", "Custom", or some checkboxes in them should be checked for offers to download or install PUAs. Any suspicious, unwanted, unknown extensions, add-ons or plug-ins that are already installed on a browser should be removed, software of this kind that is installed on the operating system. If your computer is already infected with rogue applications, we recommend running a scan with Malwarebytes for Windows to automatically eliminate them.

Notification saying that AdBlock Stream can read and change data on all pages that users visit:

adblock stream adware notification

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Quick menu:

Adware removal:

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.

Windows XP users:

Accessing Add or Remove Programs in Windows XP

Click Start, choose Settings and click Control Panel. Locate and click Add or Remove Programs.

Windows 10 and Windows 8 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.

Mac 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.

AdBlock Stream 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 AdBlock Stream 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 AdBlock Stream  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 AdBlock Stream (or other recently-installed suspicious browser add-ons) and remove it (or them).

Removing AdBlock Stream ads from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the ads by adblock stream, 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 AdBlock Stream 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 AdBlock Stream ads from Mozilla Firefox step 2

Optional method:

Computer users who have problems with ads by adblock stream 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 adblock stream, 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.

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing AdBlock Stream ads from Internet Explorer step 1

Click the "gear" icon Internet Explorer options icon (at the top right corner of Internet Explorer), select "Manage Add-ons". Look for any recently-installed suspicious browser extensions, select these entries and click "Remove".

Removing AdBlock Stream ads from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the ads by adblock stream, reset your Internet Explorer settings to default.

Windows XP users: Click Start, click Run, in the opened window type inetcpl.cpl In the opened window click the Advanced tab, then click Reset.

Resetting Internet Explorer settings to default on Windows XP

Windows Vista and Windows 7 users: Click the Windows logo, in the start search box type inetcpl.cpl and click enter. In the opened window click the Advanced tab, then click Reset.

Resetting Internet Explorer settings to default on Windows 7

Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.

Reseting Internet Explorer settings to default in Windows 8 - accessing

In the opened window, select the Advanced tab.

Resetting Internet Explorer settings to default on Windows 8 - Internet options advanced tab

Click the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - click the Reset button in the Internet options advanced tab

Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - confirm settings reset to default by clicking the reset button

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

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

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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 AdBlock Stream QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of Ads by AdBlock Stream on your mobile device.
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