CouponSignal Adware

What is CouponSignal?

Owned and distributed by OneKit Internet, S.L, CouponSignal is an adware-type browser plug-in that claims to save time and money by enabling features such as price comparison, display of coupons, and special deals/discounts available on shopping websites.

This functionality may seem legitimate and useful, however, CouponSignal is categorized as a potentially unwanted program (PUP). This rogue plug-in is developed to use a deceptive software marketing method called 'bundling' (stealth installation together with other software) to install on Internet browsers without users' consent.

After successful infiltration, CouponSignal displays intrusive online advertisements (coupons, comparison shopping, pop-up, banner, etc.) that can lead to dubious websites and may cause further computer infections.

Furthermore, this add-on monitors users' Internet browsing activity and collects various software and hardware information.

The type of information recorded includes IP addresses (to determine users' geo-locations), operating system, unique identifier numbers, anti-virus software used, browser type and data (default search engine, visited websites, pages viewed, search queries entered), and other details that may be personally identifiable.

This information tracking can lead to serious privacy issues or identity theft. There are hundreds of other adware-type applications similar to CouponSignal. For example: BetterDeals, Shop and Save Up, SaveLots, and Deal Finder.

Applications such as CouponSignal are developed to generate revenue by the display of intrusive online advertisements and sharing collected information with third parties - they provide no real value for the user, and therefore, you are advised to remove CouponSignal from your system immediately.

Many popular freeware download websites including download.com, softonic.com, and soft32.com employ small programs called 'download clients' (also called 'download managers', 'installers', and so on) to monetize their free services and traffic. Download clients offer installation of additional browser plug-ins such as CouponSignal together with the chosen free software.

Although these promoted extensions are said to be '100% legitimate and virus-free', reckless freeware installation often results in adware or malware infections. To prevent this situation, be attentive and opt-out of all additionally-included applications when downloading free software.

In addition, installation of downloaded software should be performed using the 'Custom' or 'Advanced' options - this will reveal any bundled applications and you will be able to decline installation of them. If you have installed CouponSignal, follow the removal guide below to eliminate this PUP from your system.

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Quick menu:

• What is CouponSignal?
• STEP 1. Uninstall CouponSignal application using Control Panel.
• STEP 2. Remove CouponSignal adware from Internet Explorer.
• STEP 3. Remove CouponSignal ads from Google Chrome.
• STEP 4. Remove 'Ads by CouponSignal' from Mozilla Firefox.
• STEP 5. Remove CouponSignal extension from Safari.
• STEP 6. Remove rogue plug-ins from Microsoft Edge.

CouponSignal 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 "CouponSignal", select this entry and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted program that causes CouponSignal ads, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove CouponSignal adware from Internet browsers:

Video showing how to remove potentially unwanted browser add-ons:

Remove malicious add-ons from Internet Explorer:

Click the "gear" icon (at the top right corner of Internet Explorer), select "Manage Add-ons". Look for "CouponSignal", select this entry and click "Remove".

Optional method:

If you continue to have problems with removal of the ads by couponsignal, 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.

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.

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

In the opened window, select the Advanced tab.

Click the Reset button.

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

Remove malicious extensions from Google Chrome:

Click the Chrome menu icon (at the top right corner of Google Chrome), select "Tools" and click "Extensions". Locate: "CouponSignal", select this entry and click the trash can icon.

Optional method:

If you continue to have problems with removal of the ads by couponsignal, 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 plugins 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 "CouponSignal".

Optional method:

Computer users who have problems with ads by couponsignal 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 couponsignal, 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.

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