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Remove Mezaa virus (Removal Guide) - updated Dec 2020

removal by Ugnius Kiguolis - - | Type: Adware

Mezaa is an aggressive adware application that inserts links directly into legitimate sites

Mezza virus

Mezaa is a potentially unwanted application that usually gets installed together with freeware and shareware, so users are unaware of its infiltration. The app is one of the most aggressive adware,[1] as it modifies registry entries and creates subkeys on the Windows operating system to perform its activities. An adware is known to deliver pop-up ads and in-text links into legitimate sites (such as Amazon) on Google Chrome and other browsers and also installing additional suspicious applications on the targeted computer without user's consent. Due to such aggressive behavior, many AV vendors recognize the application as malicious under such names as Suspicious_GEN.F47V1109, Artemis!FB9ED40BCDC8, Adware.Mezaa, MSIL/Adware.Sendori.A, etc.

Name Mezaa
Classified as Adware
AV detection Suspicious_GEN.F47V1109, Artemis!FB9ED40BCDC8, Artemis, Mezaa, Adware.Mezaa, MSIL/Adware.Sendori.A
Related files MZA.exe, MezaaSvc.exe, Mezaa.Service.exe
Danger level Medium due to heavy Windows Registry modification
Symptoms Excessive amount of commercial ads. Some of them may be marked with a slogan “Ads by Mezaa”
Distribution Freeware bundling
ReimageIntego is a reliable security tool that can eliminate Mezaa and related apps with one click. 

Mezza virus was active since late September 2014, and the application (that allegedly helps users with their shopping) was available on the rather poorly executed website. However, as of 2018, the official site has been removed and the only way users still obtain Mezza adware is by installing it as an optional component bundled with other software.[2]

Once installed, Mezza changes Windows startup system and starts running MZA.exe, MezaaSvc.exe, and Mezaa.Service.exe process within Task Manager. They are responsible for the execution of the adware, as well as injection of a related extension to the default web browser, be it Chrome, Firefox, Edge or Safari. The app then modifies Windows Registry, making Mezza virus removal a much harder task that it would normally be, comparing it with regular adware apps.

First of all, web browser's load time may be prolonged, so you may be forced to wait for the startup window to open for a minute or two. However, the most prominent sign of the Mezaa virus presence is a continuous attack of ads. Pop-ups, banners, interstitial ads, in-text links, full-page auto-play ads, etc. may flood your screen and prevent you from viewing the content that matters for you.

Usually, Mezaa ads contain various offers that are available on its partners' web stores. However, some of the pop-ups may be powered by suspicious third-parties that may try to foist useless services or trick people into downloading malware. Therefore, if you see ads claiming that your system is infected with a virus or that you have been selected to win valuable prizes, do not fall for clicking on them. Such and similar ads maybe a catch leading to phishing or scam[3] websites. 

In addition to intrusive ads, Mezaa virus aims at collecting users' Search Data. It includes

  • IP address
  • Email address
  • Search queries
  • Most visited websites
  • Bookmarks, and similar browsing-related information.

Even though it's not considered as personally identifiable (PI), its disclosure to third parties is not recommended. That's because the number of ads may grow even more. Besides, they may be improved according to your preferences, thus have more potential to be clicked on. 

Mezza adsMezza is an adware that spreads bundled with freeware and displays commercial ads to generate revenue.

Anyway, we encourage you to remove Mezaa from the system. This way, you will clean the system from malware, as well as delete intrusive content from your web browser. The easiest way to get rid of unwanted programs is to run a full scan with a professional anti-virus. Nevertheless, you can perform the removal manually with the help of a guide given at the end of this article. 

Finally, we recommend scanning your device with ReimageIntego or similar PC repair tool after Mezaa removal. The mentioned software can remove Registry entries created by PUP and make sure that no “Ads by Mezaa” will show up on your browser again.

Adware can unravel its ads with the help of freeware

Not all, but many adware-type programs can be downloaded from official websites or sometimes from such reliable sources as Google Play Store. In some of the cases, like in this one, adware has an official website, which does not provide a download button. That's a clear sign that the app you are looking at is a PUP, which is being distributed along with freeware. 

Such unwanted tools are usually hidden under Quick or Basic installation options and marked by default. Consequently, if the PC's owner selects one of these options, he or she unconsciously permit to install the whole software package. 

To prevent the unexpected appearance of such apps, be very careful when installing freeware and shareware on your PC. The easiest way to disclose the bundle and reveal additional downloads is to choose Custom or Advanced installation option. Do not click the Next button for trying to speed up installation because you may easily miss the check mark that allows installation of PUPs. 

Mezza infectionUsers reported that removing Mezza is quite difficult. You should make use of our instructions to get rid of the threat permanently.

Mezaa virus removal guide

If you noticed that your Internet browsing is frequently interrupted by ads that are labeled “brought to you by Mezaa,” “Mezaa ads,” and similar slogans, there's no doubt that adware program infiltrated your PC via freeware bundle. 

Your web browser will remain contaminated by intrusive advertisements as long as you won't remove Mezaa malware from the system. You can do that in two ways, i.e., by scanning the system with a professional anti-virus or performing system's check manually. 

Mezaa removal is not a difficult task. However, the utanvirus.se[4] team claims that the automatic elimination process could save your day. Such and similar malware can find helper objects, which, if left intact, can reinstall adware and rebuilt third-party advertising servers. 

You may remove virus damage with a help of ReimageIntego. SpyHunter 5Combo Cleaner and Malwarebytes are recommended to detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

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What to do if failed?
If you failed to remove virus damage using Reimage Intego, submit a question to our support team and provide as much details as possible.
Reimage Intego has a free limited scanner. Reimage Intego offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Intego, try running Combo Cleaner.

To remove Mezaa virus, follow these steps:

Remove Mezaa from Windows systems

Adware belongs to the category of malware. Although such programs are not malicious, they should not be kept on the system due to highly suspicious content. If you are Windows OS, the following guide explains how to clean the system from adware programs like Mezza.

To remove Mezaa virus from Windows 10/8  machines, please follow these steps:

  1. Enter Control Panel into Windows search box and hit Enter or click on the search result.
  2. Under Programs, select Uninstall a program.Uninstall from Windows 1
  3. From the list, find entries related to Mezaa virus (or any other recently installed suspicious program).
  4. Right-click on the application and select Uninstall.
  5. If User Account Control shows up, click Yes.
  6. Wait till uninstallation process is complete and click OK.Uninstall from Windows 2

If you are Windows 7/XP user, proceed with the following instructions:

  1. Click on Windows Start > Control Panel located on the right pane (if you are Windows XP user, click on Add/Remove Programs).
  2. In Control Panel, select Programs > Uninstall a program.Uninstall from Windows 7/XP
  3. Pick the unwanted application by clicking on it once.
  4. At the top, click Uninstall/Change.
  5. In the confirmation prompt, pick Yes.
  6. Click OK once the removal process is finished.

Uninstall Mezaa from Mac OS X system

If your macOS is displaying some infection symptoms, proceed with the following guide:

Remove Mezaa virus from Applications folder:

  1. From the menu bar, select Go > Applications.
  2. In the Applications folder, look for Mezaa virus-related entries.
  3. Click on the app and drag it to Trash (or right-click and pick Move to Trash)Uninstall from Mac 1

To fully remove Mezaa virus, you need to access Application Support, LaunchAgents, and LaunchDaemons folders and delete relevant files:

  1. Select Go > Go to Folder.
  2. Enter /Library/Application Support and click Go or press Enter.
  3. In the Application Support folder, look for any dubious entries related to Mezaa virus and then delete them.
  4. Now enter /Library/LaunchAgents and /Library/LaunchDaemons folders the same way and terminate all the Mezaa virus-related entries.Uninstall from Mac 2

Erase Mezaa from Internet Explorer (IE)

Remove dangerous add-ons:

  1. Open Internet Explorer, click on the Gear icon (IE menu) on the top-right corner of the browser
  2. Pick Manage Add-ons.
  3. You will see a Manage Add-ons window. Here, look for Mezaa virus and other suspicious plugins. Click on these entries and select Disable.Remove add-ons from Internet Explorer

Change your homepage if it was altered:

  1. Open IE and click on the Gear icon.
  2. Select Internet Options.
  3. In the General tab, delete the Home page address and replace it by your preferred one (for example, Google.com).
  4. Click Apply and then select OK.Reset IE homepage

Delete temporary files:

  1. Press on the Gear icon and select Internet Options.
  2. Under Browsing history, click Delete…
  3. Select relevant fields and press Delete.Clear temporary files from Internet Explorer

Reset Internet Explorer:

  1. Click on Gear icon > Internet options and select Advanced tab.
  2. Select Reset.
  3. In the new window, check Delete personal settings and select Reset again to complete Mezaa virus removal.Reset Internet Explorer

Delete Mezaa virus from Microsoft Edge

Keep in mind that ads won't stop showing up if you won't reset your web browser's settings to default. Microsoft Edge users can take advantage of this reset guide:

Delete unwanted extensions from MS Edge:

  1. Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
  2. From the list, pick the Mezaa virus-related extension and click on the Gear icon.
  3. Click on Uninstall at the bottom.Remove extensions from Edge

Clear cookies and other browser data:

  1. Click on the Menu (three horizontal dots at the top-right of the browser window) and select Privacy & security.
  2. Under Clear browsing data, pick Choose what to clear.
  3. Select everything (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.Clear Edge browsing data

Reset MS Edge if that above steps did not work:

  1. Press on Ctrl + Shift + Esc to open Task Manager.
  2. Click on More details arrow at the bottom of the window.
  3. Select Details tab.
  4. 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.Reset MS Edge

If this solution failed to help you, you need to use an advanced Edge reset method. Note that you need to backup your data before proceeding.

  1. Find the following folder on your computer: C:\\Users\\%username%\\AppData\\Local\\Packages\\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  2. Press Ctrl + A on your keyboard to select all folders.
  3. Right-click on them and pick DeleteAdvanced MS Edge reset 1
  4. Now right-click on the Start button and pick Windows PowerShell (Admin).
  5. When the new window opens, copy and paste the following command, and then press Enter:

    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\\AppXManifest.xml” -VerboseAdvanced MS Edge reset 2

Instructions for Chromium-based Edge

Delete extensions from MS Edge (Chromium):

  1. Open Edge and click select Settings > Extensions.
  2. Delete unwanted extensions by clicking Remove.Remove extensions from Chromium Edge

Clear cache and site data:

  1. Click on Menu and go to Settings.
  2. Select Privacy and services.
  3. Under Clear browsing data, pick Choose what to clear.
  4. Under Time range, pick All time.
  5. Select Clear now.Clear browser data from Chroum Edge

Reset Chromium-based MS Edge:

  1. Click on Menu and select Settings.
  2. On the left side, pick Reset settings.
  3. Select Restore settings to their default values.
  4. Confirm with Reset.Reset Chromium Edge

Get rid of Mezaa from Mozilla Firefox (FF)

Remove dangerous extensions:

  1. Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
  2. Select Add-ons.
  3. In here, select plugins that are related to Mezaa virus and click Remove.Remove extensions from Firefox

Clear cookies and site data:

  1. Click Menu and pick Options.
  2. Go to Privacy & Security section.
  3. Scroll down to locate Cookies and Site Data.
  4. Click on Clear Data…
  5. Select Cookies and Site Data, as well as Cached Web Content and press Clear.Clear cookies and site data from Firefox

In case Mezaa virus did not get removed after following the instructions above, reset Mozilla Firefox:

  1. Open Mozilla Firefox browser and click the Menu.
  2. Go to Help and then choose Troubleshooting Information.Reset Firefox 1
  3. Under Give Firefox a tune up section, click on Refresh Firefox…
  4. Once the pop-up shows up, confirm the action by pressing on Refresh Firefox – this should complete Mezaa virus removal.Reset Firefox 2

Eliminate Mezaa from Google Chrome

To clean unwanted extensions from Chrome, follow these steps:

Delete malicious extensions from Google Chrome:

  1. Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
  2. In the newly opened window, you will see all the installed extensions. Uninstall all the suspicious plugins that might be related to Mezaa virus by clicking Remove.Remove extensions from Chrome

Clear cache and web data from Chrome:

  1. Click on Menu and pick Settings.
  2. Under Privacy and security, select Clear browsing data.
  3. Select Browsing history, Cookies and other site data, as well as Cached images and files.
  4. Click Clear data.Clear cache and web data from Chrome

If the above-methods did not help you, reset Google Chrome to eliminate all the Mezaa virus-components:

  1. Click on Menu and select Settings.
  2. In the Settings, scroll down and click Advanced.
  3. Scroll down and locate Reset and clean up section.
  4. Now click Restore settings to their original defaults.
  5. Confirm with Reset settings to complete Mezaa virus removal.Reset Chrome 2

Remove Mezaa from Safari

Remove unwanted extensions from Safari:

  1. Click Safari > Preferences…
  2. In the new window, pick Extensions.
  3. Select the unwanted extension related to Mezaa virus and select Uninstall.Remove extensions from Safari

Clear cookies and other website data from Safari:

  1. Click Safari > Clear History…
  2. From the drop-down menu under Clear, pick all history.
  3. Confirm with Clear History.Clear cookies and website data from Safari

Reset Safari if the above-mentioned steps did not help you:

  1. Click Safari > Preferences…
  2. Go to Advanced tab.
  3. Tick the Show Develop menu in menu bar.
  4. From the menu bar, click Develop, and then select Empty Caches.Reset Safari

Access your website securely from any location

When you work on the domain, site, blog, or different project that requires constant management, content creation, or coding, you may need to connect to the server and content management service more often. The best solution for creating a tighter network could be a dedicated/fixed IP address.

If you make your IP address static and set to your device, you can connect to the CMS from any location and do not create any additional issues for the server or network manager that needs to monitor connections and activities. VPN software providers like Private Internet Access can help you with such settings and offer the option to control the online reputation and manage projects easily from any part of the world.

 

Recover files after data-affecting malware attacks

While much of the data can be accidentally deleted due to various reasons, malware is one of the main culprits that can cause loss of pictures, documents, videos, and other important files. More serious malware infections lead to significant data loss when your documents, system files, and images get encrypted. In particular, ransomware is is a type of malware that focuses on such functions, so your files become useless without an ability to access them.

Even though there is little to no possibility to recover after file-locking threats, some applications have features for data recovery in the system. In some cases, Data Recovery Pro can also help to recover at least some portion of your data after data-locking virus infection or general cyber infection. 

 

About the author
Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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