CrazyCoupon Virus

What is CrazyCoupon?

Created by a company called Engaging Apps, the CrazyCoupon rogue browser extension claims to save time and money by enabling coupons, comparison shopping, displaying available deals/discounts on shopping websites, and adding other similar functions.

Although this browser add-on may seem legitimate, be aware that it is categorized as adware or a potentially unwanted application. CrazyCoupon employs a deceptive software marketing method called 'bundling' (stealth installation of additional programs together with the chosen software) to install on Internet browsers without users' permission.

After successful infiltration on Internet Explorer, Google Chrome, and Mozilla Firefox, CrazyCoupon generates intrusive online advertisements and tracks users' Internet browsing activity.

This rogue browser add-on generates various intrusive online advertisements including banner, sponsored link, pop-up, text-link, interstitial, and targeted video ads. There is a high probability that clicking these ads will lead to high-risk adware or malware infections.

Furthermore, users' Internet browsing activity is continually monitored, since CrazyCoupon records various software and hardware information, which may be personally identifiable. For example: geo-locations, Internet Protocol (IP) addresses, URLs visited, search queries entered, pages viewed, and other similar details.

This behavior may cause serious privacy issues or even identity theft, and therefore, you are strongly advised to uninstall CrazyCoupon from your Internet browsers.

CrazyCoupon is similar to other rogue browser extensions (for example, Savings Avenger, Coupon Server, and Sliding Sales), which claim to enhance users' Internet browsing experience by adding certain functions. Neither CrazyCoupon, nor any of these other plug-ins add any real value for the user.

At time of research, CrazyCoupon was distributed via fake downloads (Java updates, browser updates, etc.) and free software 'download managers' on freeware download websites such as download.com, soft32.com, and softonic.com. Most users inadvertently install adware during the download of freeware via download managers.

These download websites employ small download programs (download managers) to monetize their free services - these offer installation of advertised 'legitimate' browser extensions together with the chosen free software. Thus, careless download and installation of free software often results in adware or malware infections.

This situation can be prevented by paying close attention when downloading freeware and clicking the 'Decline' button when installation of any additional applications is offered. If you are installing downloaded software, select the 'Advanced' or 'Custom' installation options - this will reveal any bundled applications and allow removal of them from the installation list.

Users who have already installed CrazyCoupon and observe "Ads by CrazyCoupon" advertisements when surfing the Internet, should follow this removal guide to eliminate the extension from their Internet browsers.

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Quick menu:

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

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

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

Remove CrazyCoupon ads 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 "CrazyCoupon", select this entry and click "Remove".

Optional method:

If you continue to have problems with removal of the crazycoupon adware, 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 on "Extensions". Locate: "CrazyCoupon", select this entry and click the trash can icon.

Optional method:

If you continue to have problems with removal of the crazycoupon adware, 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.

If you are unable to remove CrazyCoupon and it is greyed-out ("Installed by enterprise policy"), follow this removal guide - how to remove a Google Chrome extension that is "Installed by enterprise policy"?

Remove malicious plugins from Mozilla Firefox:

Click the Firefox menu (at the top right corner of the main window), select "Add-ons". Click on "Extensions", in the opened window remove "CrazyCoupon".

Optional method:

Computer users who have problems with crazycoupon adware 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 crazycoupon adware, 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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