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eoRezo Adware

Also Known As: Ads by eoRezo
Type: Adware
Damage level: Medium

What is eoRezo?

The eoRezo company provides four different applications: eoClock, eoMeteo (a weather forecasting app), eoNet (a network traffic monitoring app), and eoSudoku (a Sudoku game). Some users may believe these applications are legitimate and useful, however, apps developed by eoRezo are categorized as adware and potentially unwanted programs (PUPs).

One of the main reasons for these negative associations is stealth installation - rogue applications often infiltrate systems without users' permission. Furthermore, they display intrusive online advertisements and track Internet browsing-related information.

eoRezo adware

Adware-type applications display various advertisements that do not originate from the visited website. Some pop-up as new browser tabs/windows, thereby increasing the chance of accidental user clicks. Most redirect to commercial websites (for example, online stores) and may seem harmless, however, others can redirect to bogus websites containing infectious content.

Thus, clicking them can lead to further computer infections. In addition, these apps track information that can be personally identifiable, and so having any eoRezo software installed on your system might cause privacy issues.

The eoClock, eoMeteo, eoNet, and eoSudoku apps are potential threats to your Internet browsing safety and privacy, and therefore, should be uninstalled immediately.

There are hundreds similar apps developed by eoRezo. For example, RadPlayer, FlashBeat, MediaPlayer, and BestArcadeHits also claim to provide various useful features. These claims are false, since the apps merely deliver ads and collect personally identifiable information to generate revenue for the developers. They deliver none of the features promised and are useless to the user.

How did eoRezo install on my computer?

eoRezo has an official website whereby the developed apps are available for download. The apps are also distributed using a deceptive software marketing method called 'bundling' - stealth installation of third party apps together with regular software.

The problem is that many users carelessly rush the download/installation processes and skip steps - unaware that bogus apps are usually concealed within the 'Custom' or 'Advanced' section. By skipping this step, they unwillingly install rogue apps such as the ones developed by eoRezo.

How to avoid installation of potentially unwanted applications?

If you are using a freeware download website, select the direct download link, rather than using a promoted download app. Most of these sites, however, enforce the use of their download apps - in this case, follow each step of the free software download procedure and ensure that only the chosen software is downloaded.

If possible, you should download your chosen software from a trusted source - usually the official website. In addition, downloaded apps should be installed using the 'Custom' or 'Advanced' settings - this will reveal any bundled programs listed for installation and allow you to opt-out.

eoRezo adware installer set-up:

eoRezo adware installation setup

Screenshot of adware-type applications (eoClock, eoMeteo, eoSudoku) developed by the eoRezo company:

eoClock, eoMeteo, and eoSudoku apps

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Quick menu:

eoRezo adware removal:

Windows 11 users:

Accessing Apps and Features in Windows 11

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:

Accessing Programs and Features (uninstall) in Windows 8

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:

Accessing Programs and Features (uninstall) in Windows 7

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:

Uninstall app in OSX (Mac)

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.

eoRezo adware uninstall via Control Panel

In the uninstall programs window, look for "eoRezo" and "eoEngine", select these entries and click "Uninstall" or "Remove".

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

Remove eoRezo adware from Internet browsers:

At time of research, eoRezo 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:

Internet Explorer logoRemove malicious add-ons from Internet Explorer:

Removing eoRezo ads from Internet Explorer step 1

Click the "gear" icon Internet Explorer options 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".

Removing eoRezo ads from Internet Explorer step 2

Optional method:

If you continue to have problems with removal of the ads by eorezo, 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.

Resetting Internet Explorer settings to default on Windows XP

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.

Resetting Internet Explorer settings to default on Windows 7

Windows 8 users: Open Internet Explorer and click the gear icon. Select Internet Options.

Reseting Internet Explorer settings to default in Windows 8 - accessing

In the opened window, select the Advanced tab.

Resetting Internet Explorer settings to default on Windows 8 - Internet options advanced tab

Click the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - click the Reset button in the Internet options advanced tab

Confirm that you wish to reset Internet Explorer settings to default by clicking the Reset button.

Resetting Internet Explorer settings to default on Windows 8 - confirm settings reset to default by clicking the reset button

Google Chrome logoRemove malicious extensions from Google Chrome:

Removing eoRezo  ads from Google Chrome step 1

Click the Chrome menu icon Google Chrome options 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.

Removing eoRezo ads from Google Chrome step 2

Optional method:

If you continue to have problems with removal of the ads by eorezo, reset your Google Chrome browser settings. Click the Chrome menu icon Google 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.

Google Chrome settings reset step 1

After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.

Google Chrome settings reset step 2

In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.

Google Chrome settings reset step 3

Mozilla Firefox logoRemove malicious plug-ins from Mozilla Firefox:

Removing eoRezo ads from Mozilla Firefox step 1

Click the Firefox menu firefox menu icon (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.

Removing eoRezo ads from Mozilla Firefox step 2

Optional method:

Computer users who have problems with ads by eorezo removal can reset their Mozilla Firefox settings.

Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, firefox menu icon in the opened menu, click Help.

Accessing settings (Reset Firefox to default settings step 1)

Select Troubleshooting Information.

Accessing Troubleshooting Information (Reset Firefox to default settings step 2)

In the opened window, click the Refresh Firefox button.

Clicking on Refresh Firefox button (Reset Firefox to default settings step 3)

In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.

Confirm your want to reset Firefox settings to default (Reset Firefox to default settings step 4)

safari browser logoRemove malicious extensions from Safari:

removing adware from safari step 1 - accessing preferences

Make sure your Safari browser is active, click Safari menu, and select Preferences....

removing adware from safari step 2 - removing extensions

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...

resetting safari step 1

In the opened window select all history and click the Clear History button.

resetting safari step 2

Microsoft Edge (Chromium) logoRemove malicious extensions from Microsoft Edge:

Removing adware from Microsoft Edge step 1

Click the Edge menu icon Microsoft Edge (chromium) 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.

Removing adware from Microsoft Edge step 2

Optional method:

If you continue to have problems with removal of the ads by eorezo, reset your Microsoft Edge browser settings. Click the Edge menu icon Microsoft Edge (chromium) menu icon (at the top right corner of Microsoft Edge) and select Settings.

Microsoft Edge (Chromium) reset step 1

In the opened settings menu select Reset settings.

Microsoft Edge (Chromium) reset step 2

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.

Microsoft Edge (Chromium) reset step 3

  • If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.

Summary:

declining installation of adware while downloading free software sampleCommonly, 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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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

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Removal Instructions in other languages
Software uninstall instructions
Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

QR Code
Ads by eoRezo QR code
Scan this QR code to have an easy access removal guide of Ads by eoRezo on your mobile device.
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