How to remove OptiShopper adware

What is OptiShopper?

OptiShopper is a browser add-on that may diminish the performance of your web browser and may flood each of the websites that you visit with tons of commercial advertisements. Don't worry because neither OptiShopper nor its ads are malicious. However, this app has been categorized as an adware and a potentially unwanted program (PUP) due to several reasons. Firs of all, it is mainly distributed using unfair 'bundling' distribution method. This way, many people have already been tricked into installing this app unconsciously. Moreover, it pretends to be a 'shopping helper', but in reality it's not. It claims being able to enable comparison shopping while visiting the most popular online shopping websites, inform about various deals, provide coupons, promo codes and so on. Well, it seems that such description is another marketing trick that is used to make people believe that 'Ads by OptiShopper' are trustworthy. However, if you want to keep your computer safe, you should stay away from these advertisements since some of them may be used for suspicious purposes. That's because this adware seems to be sponsored by third parties and you can never know what they seek to promote. As it's already known, adwares are used for promoting affiliate websites, collecting clicks, increasing sales and so on. However, they are commonly misused by cyber criminals and may be involved in the distribution of suspicious software. By the way, you should consider privacy-related issues as well since it may be set to track your online activities and collect information related to your browsing habits. Therefore, if you do not want to share information about you with suspicious third parties, you should not delay removal of OptiShopper virus. In order to get rid of it and its cookies, we recommend using Fortect Intego.

How can OptiShopper hijack my computer?

OptiShopper can infiltrate your computer in the same way as most of the adwares. To be more specific, it may travel bundled with another freeware, such as download manager or media player. If you have already installed this adware and now experience continuous OptiShopper redirects to suspicious domains, we assume that you are one of those people who tend to accelerate the installation of freewares and keep clicking the 'next' button without reading anything. Is that's true? If yes, then you should not feel confused or surprised after seeing OptiShopper ads during your browsing. If you do not want to repeat such situation in the future, you should start paying attention to the installation process. It's recommended to read EULA, Privacy Policy, and other accessible information at first. After that, you should opt for Advanced or Custom installation option and carefully check what is given on every check box. Specifically look for suspicious add-ons, plug-ins, toolbars or extensions marked by default and make sure that you deselect all of them. Beware that such additional 'browser helpers' are often responsible for the havoc that emerges during browsing.

How to remove OptiShopper virus?

Eliminate OptiShopper virus right away. It may not only annoy you to death but may also redirect to suspicious or even unsafe websites. Therefore, follow OptiShopper removal guide that our security experts have submitted and get rid of this adware easily:

Uninstall from Windows

Uninstall from Windows 10/8:

Type Control Panel into the Windows search box and open the result.
Under Programs, select Uninstall a program.

Uninstall from Windows 7/XP:

Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
In Control Panel, select Programs > Uninstall a program.

Remove the unwanted program:

In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
If User Account Control appears, click Yes to confirm, then complete the removal.

Delete from macOS

Remove the unwanted application:

From the menu bar, select Go > Applications.
In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).

Delete leftover files and folders:

Select Go > Go to Folder.
Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.
Finally, empty the Trash to permanently remove the leftovers.

Remove from Microsoft Edge

Delete unwanted extensions from MS Edge:

Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
From the list, pick the extension and click on the Gear icon.
Click Remove.

Clear cookies and other browser data:

Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
Under Clear browsing data, pick Choose what to clear.
Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.

Restore new tab and homepage settings:

Click the menu icon and choose Settings.
Then find On startup section.
Click Remove next to any suspicious startup page.

Reset MS Edge if the above steps did not work:

Press on Ctrl + Shift + Esc to open Task Manager.
Click on More details arrow at the bottom of the window.
Select Details tab.
Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.

Instructions for Chromium-based Edge

Delete extensions from MS Edge (Chromium):

Open Edge and click select Settings > Extensions.
Delete unwanted extensions by clicking Remove.

Clear cache and site data:

Click on Menu and go to Settings.
Select Privacy, search and services.
Under Clear browsing data, pick Choose what to clear.
Under Time range, pick All time.
Select Clear now.

Reset Chromium-based MS Edge:

Click on Menu and select Settings.
On the left side, pick Reset settings.
Select Restore settings to their default values.
Confirm with Reset.
This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.

Remove from Mozilla Firefox (FF)

Remove dangerous extensions:

Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
Select Add-ons.
In here, select the unwanted extension and click Remove.

Reset the homepage:

Click three horizontal lines at the top right corner to open the menu.
Choose Settings.
Under Home, set your preferred homepage and new tab settings.

Clear cookies and site data:

Click Menu and pick Settings.
Go to Privacy & Security section.
Scroll down to locate Cookies and Site Data.
Click on Clear Data...
Select Cookies and Site Data and Temporary cached files and pages, then click Clear.

Reset Mozilla Firefox

If clearing the browser as explained above did not help, reset Mozilla Firefox:

Open Mozilla Firefox browser and click the Menu.
Go to Help and then choose Troubleshooting Information.
Under Give Firefox a tune up section, click on Refresh Firefox...
Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.

Remove from Google Chrome

Delete malicious extensions from Google Chrome:

Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.

Clear cache and web data from Chrome:

Click on Menu and pick Settings.
Under Privacy and security, select Clear browsing data.
Select Browsing history, Cookies and other site data, as well as Cached images and files.
Click Clear data.

Change your homepage:

Click menu and choose Settings.
Look for a suspicious site in the On startup section.
Click on Open a specific or set of pages and click on three dots to find the Remove option.

Reset Google Chrome:

If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:

Click on Menu and select Settings.
In the Settings, scroll down and click Advanced.
Scroll down and locate Reset and clean up section.
Now click Restore settings to their original defaults.
Confirm with Reset settings.

Delete from Safari