SecuriDex Adware

What is SecuriDex?

SecuriDex is a bogus media player that supposedly prevents various security outbrakes. By falsely claiming to improve computer protection, SecuriDex attempts to give the impression of legitimate software.

Due to rogue behavior, however, SecuriDex is classed as a potentially unwanted program (PUP) and adware. This adware infiltrates systems without users’ permission, collects personally identifiable information, and delivers intrusive online advertisements.

Once infiltrated, SecuriDex gathers various data relating to users' web browsing activity including Internet Protocol (IP) addresses (to determine users' geo-locations), websites visited, pages viewed, search queries, and other similar data. This data might seem insignificant, however, it will contain private details that the developers of SecuriDex share with third parties.

Some of this collected data will be misused to generate revenue, thus, leading to serious privacy issues. In addition, SecuriDex generates pop-up, coupon, and other similar intrusive advertisements that do not originate from users' visited websites. These ads often conceal underlying website content, significantly diminishing the Internet browsing experience.

In addition, these ads can lead to malicious sites - clicking them is risky and could result in further high-risk adware or malware infections. For these reasons, you are strongly advised to eliminate SecuriDex adware immediately.

Adware-type programs have similar characteristics. There are hundreds of other PUPs with virtually identical behavior to SecuriDex including, for instance, Snail Translate, WindowPolicies, Steel Cut, and Friv Launcher. By giving fake promises to enhance the web browsing experience, adware-type apps attempt to trick users to install.

In fact, virtually none provide the functionality promised. All adware is designed to generate revenue for the developers - rather than providing any of the functions promised, apps such as SecuriDex track Internet browsing activity, deliver intrusive ads, and/or cause unwanted browser redirects.

How did SecuriDex install on my computer?

Developers employ a deceptive software marketing method called 'bundling' - stealth installation of potentially unwanted programs (PUP) with regular (usually legitimate) software. Hiding PUPs within the 'Custom/Advanced' download or installation settings is popular, since many users do not pay enough attention during these procedures.

Rushing and skipping most/all steps often leads to inadvertent installation of PUPs, thus, exposing systems to risk of infection and putting users' privacy at risk.

How to avoid installation of potentially unwanted applications?

There are two main steps you should take to prevent this situation. Firstly, analyze the 'Custom/Advanced' download or installation sections - bundled software is usually hidden within these stages. Secondly, decline all offers to download or install additional apps, and opt-out of those already included, since bundled apps are often rogue.

Screenshot of SecuriDex application:

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Quick menu:

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

SecuriDex 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 "SecuriDex1.12", select this entry and click "Uninstall" or "Remove".

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

Remove SecuriDex adware from Internet browsers:

At time of research, SecuriDex did not install its browser plug-ins on Internet Explorer, Google Chrome, or Mozilla Firefox, however, it was bundled with other adware. Therefore, you are advised to remove all potentially unwanted browser add-ons from your 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 any recently-installed suspicious browser extensions, select these entries and click "Remove".

Optional method:

If you continue to have problems with removal of the securidex ads, 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 all recently-installed suspicious browser add-ons, select these entries and click the trash can icon.

Optional method:

If you continue to have problems with removal of the securidex ads, 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 plug-ins 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 all recently-installed suspicious browser plug-ins.

Optional method:

Computer users who have problems with securidex ads 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 securidex ads, 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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