Coupon Crusher is an adware or also known as potentially unwanted program (PUP) that has the main objective of flooding the browser with too many pop-up advertisements. Although it is promoted as browser extension that provides online discounts, web users may encounter unsolicited changes on the browser program especially on homepage and search tool. Coupon Crusher is committing these changes even without the approval of online user.
As adware, Coupon Crusher is able to monitor web users browsing activities. It is equipped with tracking modules to log online data like visited pages, favorite websites, search keywords, and geographical location of web user. It was observed that actors behind Coupon Crusher are going to analyze the amass information and utilize the result for displaying personalized advertisements on the browser program. This would mean higher profit for the owners of Coupon Crusher. Hence, the aggressive pop-up ads is a disturbance to web users online browsing activities.
Ways of Coupon Crusher to enter the computer
Common ways of penetration include installing freeware where it comes with. The majority of computer users have no knowledge of this tactic from adware manufacturers. Normally, malicious browser extension, such as Coupon Crusher is built into the freeware or shareware programs and because it comes as a software package, the main application and the extra file run a concurrent installation. Subsequently, Coupon Crusher was immediately included in the Internet program as a browser extension, add-on, or plug-in.
Next to freeware bundles, online computer user can get the Coupon Crusher adware by accessing malicious ads, particularly those that are disguised as a software update and essential add-ons. Downloading and installing such executable file type can load up Coupon Crusher or any adware of one sort.
What happens during Coupon Crusher infection?
Being an ad-supported software or Adware for short, Coupon Crusher can cause excessive advertising display which may be too annoying. It shows the ads that superimpose each other, which distract users from online browsing activities. Moreover, Coupon Crusher is able to set off redirects that may land the browser pages to sites that hosts adware or malware.
Coupon Crusher Removal Procedure
Below is a systematic instruction that is very useful in getting rid of the potentially unwanted program (PUP) from compromised Windows computer. Aside from removing the malicious browser extension, this guide is also helpful in deleting browser hijacker and pop-ups.
In order to totally eliminate the threat, it is vital to follow the process in exact manner.
Step 1 : Delete Coupon Crusher Browser Extension
Most adware and unwanted programs are using a program called browser extension to be able to take over the settings of internet applications. Therefore, we highly recommend to check and remove the extension that is closely related to Coupon Crusher.
Remove Coupon Crusher Extension from Google Chrome
1. Open Google Chrome browser.
2. Type chrome://extensions/ in the address bar and press Enter on keyboard.
3. Find Coupon Crusher or relevant entry and remove it from Google Chrome browser.
Uninstall Coupon Crusher Extension from Mozilla Firefox
1. Open Mozilla Firefox browser.
2. Type about:addons in the address bar and press Enter on keyboard.
3. Choose Extensions on sidebar menu.
4. Look for object that is pertaining to Coupon Crusher and remove it from the browser.
After deleting the malicious browser extension, it is expected that Coupon Crusher is also gone from the homepage.
Remove Coupon Crusher Add-ons from Internet Explorer and Edge Browser
1. Open Internet Explorer program.
2. Go to top Menu and click Tools. Then, select Manage Add-ons from the drop-down list.
3. Look for and Remove or Disable entries of Coupon Crusher from Toolbars and Extension. Additionally, delete unwanted entry from Search Providers section.
4. Close the window and restart Internet Explorer.
If Coupon Crusher is still present on the IE browser and there are still unwanted homepage and pop-ups, another option is to remove the adware from Windows Control Panel.
5. Press Windows Key + R and then, type appwiz.cpl command.
6. Program and Features window will open. Arrange the list in chronological manner with recently installed applications on top. To do this, click on 'Installed On' column.
7. Select Coupon Crusher or recently installed unwanted entry. Then, click on Uninstall to remove it from Windows system.
Step 2 : Scan the computer with Sophos Antivirus
To remove Coupon Crusher automatically, scanning the computer with this powerful anti-virus tool is recommended. This scanner does not just uncover known threats like viruses or malware, it is also effective in discovering browser hijacker like Coupon Crusher that slows down online browsing activities.
1. Download Sophos Virus Removal Tool from the link below. Save the file on your computer where you can easily access it.
2. Once the download completes, browse the location of the file. Double-click to run the program and begin the install process.
3. On first windows of installation wizard, click Next to continue. Then, it will display the program’s License Agreement. You need to Accept the terms in order to proceed. If Windows prompts for User Account Control, please click Yes to proceed.
4. On succeeding windows, click Next or Continue to carry on with the installation. After completing the installation process, Launch Sophos Virus Removal Tool.
5. Internet connection is required when running this scanner in order to download important updates. Make sure that everything is up-to-date to effectively remove malicious program like Coupon Crusher.
6. Click the button to carry out the Scan. This will check the system for presence of malicious objects, malware, and viruses. The tool reveals items that were found linked to Coupon Crusher and other suspicious entities. Be sure to remove all identified threats.
The above procedures should have totally eliminated the Coupon Crusher browser hijacker. However, if you found that there are still remnants of the threat, please proceed to manual removal of associated objects as outlined below.
Step 3 : Scan and Delete Adware with AdwCleaner
In addition to the procedure, we suggest scanning the computer with AdwCleaner tool. Possibly, there are some traces of Coupon Crusher on the browser that was not deleted during the preceding steps. This tool will scan the computer and check for presence of malicious applications as well as invalid browser entries that produces hijacking, redirects, and pop-ups.
1. Follow the link below to download the tool called AdwCleaner.
2. When the download has completed, please close all running programs on the computer especially browsers affected by Coupon Crusher.
3. Browse the location of the downloaded file and double-click on adwcleaner_Ver.exe to start running the tool. Then, click on Scan button.
4. AdwCleaner searches the computer for malicious programs, extensions, plug-ins, adware, and any items that may be associated to Coupon Crusher. It will also check for suspicious entries on browser settings that is associated with the hijacker.
5. Clean or Remove all suspicious and harmful items identified after the thorough scan.
6. After the cleanup procedure, rebooting the computer is required to finalize the removal of detected threats.
Check if your internet browser application is no longer being bothered by Coupon Crusher. If the browser hijacker still persists, please continue with the steps below to reset internet programs to default settings.
Optional : Reset Internet Browser Program
Cleaning your internet browser from clutter and unwanted add-on/extension is a must when dealing with Coupon Crusher. The procedure below discuss on resetting various browsers to its default state.
Restore Google Chrome to Default Settings
Resetting Google Chrome to default settings is helpful in deleting hard-to-remove extension such as from Coupon Crusher. This method is highly advisable to perform if you have difficulty in removing unwanted extension.
1. Open Google Chrome Internet browser.
2. On the address bar, type chrome://settings/reset and press Enter key.
3. Under Reset and clean up section, choose Restore settings to their original defaults.
4. Click Reset settings button to clear all entries of Coupon Crusher.
5. Close the existing tab and restart Google Chrome. That should have removed Coupon Crusher extension and associated objects.
Reset Mozilla Firefox to Default
This section describes how to remove unwanted extension from Firefox that may be related to Coupon Crusher. This process can fix many browser issues by restoring Firefox to factory settings without affecting your essential information (bookmarks, browsing history, passwords, and Internet cookies) on the browser. If you desire to remove only specific extension, please see manual removal of add-on from Firefox.
1. Input the string about:support on Firefox web address and press Enter on keyboard.
2. You will now see the Troubleshooting Information page of Mozilla Firefox.
3. You will notice a section on upper-right corner of the screen stating Give Firefox a tune up. Click the Refresh Firefox button.
4. If confirmation window appears, click Refresh Firefox to continue.
5. Firefox browser will close and start the resetting process. When done, it will display a list of restored data. Coupon Crusher should be gone by now. Click Finish to open a fresh version of Firefox.
Restore Internet Explorer to Default Settings
1. Open Internet Explorer and navigate to top menu. Click Tools, and then Internet Options.
2. Select Advanced tab on Internet Options window.
3. On lower part of the window, under Reset Internet Explorer Settings area, click the Reset button. Please see image for reference. Your data like favorites, bookmark, and history will remain in the browser. However, this process may delete add-ons by Coupon Crusher and other unknown objects. If you prefer to carry out the procedure manually, please add-on removal from Internet Explorer.