Ads by 123HD-Plus

What is 123HD-Plus?

123HD-Plus is a rogue browser extension claiming to enhance the quality users' YouTube video experience. This add-on is compatible with Internet Explorer, Google Chrome, and Mozilla Firefox. The developers of 123HD-Plus employ a deceptive software marketing method called 'bundling' to install this rogue browser plug-in on Internet browsers without users' consent.

Bundling is a way to distribute applications together with other software, and for this reason, most users inadvertently install 123HD-Plus when downloading free software from freeware download websites. Although this browser plug-in may seem legitimate and useful, be aware that 123HD-Plus is considered to be adware or a potentially unwanted program (PUP).

Note that 123HD-Plus is identical to another virus called 123HD-Ready, which was previously distributed by the same developers. After successful infiltration on Internet browsers, this PUP generates various intrusive online advertisements such as coupon, pop-up/under, banner, transitional, in-text, and price comparison ads.

Clicking these advertisements is likely to cause high-risk adware or malware infections. Furthermore, this rogue browser add-on continually monitors users' Internet browsing activity by recording various software and hardware information including Internet Protocol (IP) addresses, unique identifier numbers, geographic locations, website URLs visited, cookies and other details that may be personally identifiable.

This behavior may lead to serious privacy issues or identity theft, and therefore, you are strongly advised to uninstall this adware from your Internet browsers.

Research shows that 123HD-Plus is similar to other PUPs that use bundling as an installation method. Some examples include Search Donkey, You-Bar, and Feven among many others. Neither 123HD-Plus, nor any of these other add-ons, provide any real value for the user - their purpose is to generate revenue by the display of intrusive online ads.

Most current freeware download websites such as download.com, softonic.com, and soft32.com employ small download programs to monetize their traffic and free services.

These small programs (called 'download managers', 'installers', or 'download clients') offer installation of advertised (according to the developers, '100% legitimate and virus-free') browser extensions together with the chosen free software. Thus, reckless downloading and installation of freeware risks computer infection with adware or malware.

This situation can be prevented by closely studying each step of the free software download procedure and declining installation of any additional programs offered.

If you are installing software downloaded from the Internet, select the 'Custom' or 'Advanced' installation options - this will reveal any hidden applications listed for installation and allow you to decline them. If you have installed 123HD-Plus, read the removal instructions provided to uninstall this adware from your Internet browsers.

Deceptive free software installer used in 123HD-Plus adware distribution:

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Quick menu:

• What is 123HD-Plus?
• STEP 1. Uninstall 123HD-Plus application using Control Panel.
• STEP 2. Remove 123HD-Plus ads from Internet Explorer.
• STEP 3. Remove 123HD-Plus advertisements from Google Chrome.
• STEP 4. Remove 'Ads by 123HD-Plus' from Mozilla Firefox.
• STEP 5. Remove 123HD-Plus extension from Safari.
• STEP 6. Remove rogue plug-ins from Microsoft Edge.

123HD-Plus 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 "123HD-Plus", select this entry and click "Uninstall" or "Remove".

After uninstalling the potentially unwanted program (which causes 123HD-Plus ads), scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.

Remove 123HD-Plus 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 "123HD-Plus", select this entry and click "Remove". Note that 123HD-Plus ads can be caused by other adware. In the Manage Add-ons window, remove all suspicious browser add-ons.

Optional method:

If you continue to have problems with removal of the 123hd-plus virus, 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: "123HD-Plus", select this entry and click the trash can icon. Note that 123HD-Plus ads can be caused by other adware. In the "extensions" window of Google Chrome, remove all suspicious browser extensions.

Optional method:

If you continue to have problems with removal of the 123hd-plus virus, 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 on "Extensions", in the opened window remove "123HD-Plus". Note that 123HD-Plus ads can be generated by other adware. In the "Add-ons Manager" window, remove all suspicious browser add-ons.

Optional method:

Computer users who have problems with 123hd-plus virus 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 123hd-plus virus, 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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