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How to Remove Viewer extension Browser Hijacker? (Solution)

“Viewer” extension Information

"Viewer" extension
“Viewer” extension hijacks web browser to cause redirect

“Viewer” extension is a malware and browser hijacker which enters your computer without your consent and knowledge. Usually, it lurks in spam email attachments, malicious torrents and third party software.  Once launched, “Viewer” extension malware modifies web browser settings. And then you will find that your Google will be redirected to unwanted websites constantly. Besides, random popup ads may harass you when you surf the Internet. Moreover,  it consumes lots of system resources, so your PC performance will slow down dramatically. In addition, “Viewer” extension may bring in additional viruses like adware, trojans, etc. If you dont delete it completely, the malware may even spy on your internet activities and steal your computer privacy. It is really very annoying and dangerous. Please refer to the detailed removal instructions set forth below to get rid of “Viewer” extension

“Viewer” extension is Not Safe

1. “Viewer” extension is a ad-supported application
2. It may modify your browser settings without your approval
3. “Viewer” extension related malware degrades your system performance
4. It may drop other infected files to random system folders
5. “Viewer” extension may violate your computer privacy


How to Remove “Viewer” extension? (Windows + Mac OS)

Quick Menu

Section A – “Viewer” extension Removal Steps For Windows OS

  1. End malicious process run by “Viewer” extension and related malware
  2. Uninstall malicious programs related with “Viewer” extension
  3. Delete browser extension installed by “Viewer” extension and related malware
  4. Remove malicious files created by “Viewer” extension or related malware
  5. Reset Web Browsers to remove Hijackers brought by “Viewer” extension

Section B – “Viewer” extension Removal Steps For Mac OS

  1. Remove malicious extension and browser hijacker related with “Viewer” extension or malware
  2. Uninstall harmful Apps installed along with “Viewer” extension or malware
  3. Remove malicious files generated by “Viewer” extension or malware from your Mac
  4. Download SpyHunter Antimalware For Mac to Scan For Malicious Apps and Files

Section A – “Viewer” extension Removal Steps For Windows OS

(NOTE – Please bookmark this page first, because some steps will require you to restart your web browser or computer.)

Step 1. End malicious process run by “Viewer” extension and related malware.

1. Hit Ctrl + Shift + Esc keys at the same time to open Windows Task Manager:

end malware process

2. Find malicious process related with “Viewer” extension or malware, and then right-click on it and click End Process or End Task.

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Step 2. Uninstall malicious programs related with “Viewer” extension.

Press “Win + R ” keys together to open the Run screen;

uninstall malware

Type control panel in the Run window and click OK button;

uninstall malware from windows

In Control Panel, click Uninstall a program under Programs;

uninstall

Look for malicious app related with “Viewer” extension; Right-click on the malicious program and click Uninstall.

uninstall

Many malware may re-install themselves multiple times if you don’t delete thier core files. To get rid of “Viewer” extension completely, we recommend downloading SpyHunter Aniti-malware to scan entire system and delete all malicious files.

Download SpyHunter For Windows (Free Trial)

Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read our EULAPrivacy PolicyCookie Policy . See more Free SpyHunter Remover details.


Step 3. Delete extension installed by “Viewer” extension and related malware.

Chrome

On Chrome

Click the Chrome menu button >> Click Tools >> Select Extensions:

get rid of malware on chrome

Find extension that may be related with “Viewer” extension or potential threat >> Click the trash can icon to delete them.

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Microsoft Edge

On Microsoft Edge

Start Edge: Click the More (…) button ahe tog right corner and click Extensions:

get rid of malware on Microsoft Edge

Select the extensions you want to remove and click Remove:

get rid of

get rid of

Firefox

On Firefox

Click the menu button and choose Add-ons. The Add-ons Manager tab will open.

get rid of malware on firefox

In the Add-ons Manager tab, select the Extensions panel >> find extension that may be related with “Viewer” extension or potential threat >> Click Remove button.

get rid of

IE

On Internet Explorer

Open the IE, click the Tools button , and then click Manage add-ons.

get rid of malware on IE

Choose Toolbars and Extensions on left side of the window >> Find  extension that may be related with “Viewer” extension or potential threat>> Click Disable button

get rid of

Malicious extensions may re-install itself on web browser if you don’t delete core files of “Viewer” extension and related malware. To get rid of “Viewer” extension completely, we recommend downloading SpyHunter Aniti-malware to scan entire system and delete all malicious files.

Download SpyHunter For Windows (Free Trial)

Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read our EULAPrivacy PolicyCookie Policy . See more Free SpyHunter Remover details.

Step 4. Remove malicious files created by “Viewer” extension or related malware.

1. Hit Windows + R keys at the same time to open Run window and input a regedit and click OK:

uninstall adware

delete

2. In the Registry Editor, hit Windows key + F key together to open Find window → Enter virus  name → Press Enter key to start search.

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3. When the search is completed, right click the folders related with “Viewer” extension and click Delete button:

delete

Please Read This Before You Remove Registry Files

PLEASE Be Carefully, Do Not Delete Healthy Registry Entries, Or Your Computer May Be Damaged.

If you are not able to determine which regsitry files are malicious, we recommend downloading SpyHunter Anti-malware to scan entire system and find out all malicious files. It can avoid mistakes and may reduce the cleanup time from hours to minutes.

Download SpyHunter For Windows (Free Trial)

Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read our EULAPrivacy PolicyCookie Policy . See more Free SpyHunter Remover details.

Step 5. Reset Web Browsers to remove Hijackers Brought by “Viewer” extension.

Chrome

Reset Chrome:

  1. Click the Chrome menu button, represented by three horizontal lines;
  2. Click Settings when the drop-down menu appears;
  3. In the Settings screen, scroll to the bottom of the page and click on the “Advanced” link;
  4. Click on the “Reset settings to their original defaults” button.
  5. A confirmation dialog appears,  click on the “Reset Settings” button.

Edge

Reset Microsoft Edge:

  • Click on Microsoft Edge’s main menu button, represented by three horizontal dots;
  • Click on “Settings“ button when the drop-down menu appears;
  • Click on “Reset Settings”On the left side of the window;
  • Click on “Restore settings to their default values”
  • Click on the “Reset” button in the new confirmation window that opens.

Firefox

Reset Firefox:

  1. Click the menu button of firefox, represented by three horizontal lines;
  2. Click on “Help“ button when the drop-down menu appears;
  3. Click on “Troubleshooting Information“ from the Help menu;
  4. Click the “Refresh Firefox” button in the upper-right corner of the “Troubleshooting Information” page.
  5. Click on the “Refresh Firefox” button in the new confirmation window that opens.

IE

Reset IE :

  1. Open Internet Explorer, click on the gear icon in the upper-right part of your browser, then select “Internet Options“.
  2. Now select the “Advanced” tab, then click on the “Reset” button
  3. In the “Reset Internet Explorer settings” section, select the “Delete personal settings” checkbox, then click on the “Reset” button.

NOTE – If the steps above doesn’t help, please rescan entire infected PC with Spyhunter anti-malware and let it help you fix all problems.



Section B – “Viewer” extension Removal Steps For Mac OS

Step 1 – Remove nasty extension and browser hijacker related with “Viewer” extension or  malware.

Chrome

– Click the setting button “” at the top right of the browser window, choose “More Tools” and choose “Extensions“.

delete adware on mac chrome

– Click the “trash can icon” button to remove extension related with “Viewer” extension or malware:

delete

Safari

Safari:

– Choose Safari > Preferences

delete adware on mac safari

– On the ‘Extensions’ tab, find out the extension related with adware or hijacker and click Uninstall or Disable

delete

Firefox

Mozilla Firefox:

– Click the settings button (three horizontal bars) in the top-right corner and then select ‘Add-ons’.

delete adware on mac firefox

– Click “Extensions” tab under Add-on Manager page to view the extensions.
– Find the suspicious add-on you want to disable and click its “Disable” button.
– If you want to delete an extension entirely, click “Remove.”

delete

Malicious browser extensions hijack your Google Search and redirect you to unwanted websites. To get rid of related search hijacker, you need to delete core files of “Viewer” extension and related malware. We recommend downloading SpyHunter Mac Antimalware to remove all malicious apps and hijacker for you. This may save you hours and ensure you don’t make mistakes that harm your system

Download SpyHunter For Mac (Free Trial)

Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read our EULAPrivacy PolicyCookie Policy . See more Free SpyHunter Remover details.

Step 2 – Uninstall harmful Apps related with “Viewer” extension or malware

– Open Finder at the Dock

adware removal from mac

– Select Applications and find out suspicious apps related with “Viewer” extension , then right click on the app and click Move to Trash:

– Right click on Trash icon to select Empty Trash


Step 3 – Remove malicious files generated by “Viewer” extension or malware from your Mac

Malware geneates lots of malicious files and folders on infected Mac, to avoid “Viewer” extension reinstalling itself, you need to find out and remove all malicious files:

1. Click the Finder icon from the menu bar  >>  choose “Go” then click on “Go to Folder“:

delete malicious files of

2. In the Go to Folder… bar, type “/Library/LaunchAgents” and click Go:

delete malicious files of

3. In LaunchAgents folder, search for any recently-added suspicious files and move them to the Trash.

delete malicious files of

Here are some examples of files generated by malware:

“installmac.AppRemoval.plist”,  “com.genieo.completer.download.plist” “com.genieoinnovation.macextension.plist” “com.genieo.engine.plist” “com.adobe.fpsaud.plist” , “myppes.download.plist”, “mykotlerino.ltvbit.plist”

4.Repeat the process on the following folders:

~/Library/LaunchAgents

delete
/Library/Application Support

delete
/Library/LaunchDaemons

delete

Many malware may re-install themselves multiple times if you don’t delete thier core files. To find and remove all malicious files , We recommend downloading SpyHunter Mac Antimalware to scan your Mac. This may save you hours and ensure you don’t make mistakes that harm your system

Download SpyHunter For Mac (Free Trial)

Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read our EULAPrivacy PolicyCookie Policy . See more Free SpyHunter Remover details.


Step 4 – Download SpyHunter Antimalware For Mac to Scan For Malicious Apps and Files.

Lots of Malware keep generating malicious files on infected computer deeply, thus it’s quite difficult for common computer users to find out and remove all harmful items related with “Viewer” extension. Meanwhile, there will be possibility that users remove core system files by mistake and then the entire computer will be harmed seriously.

To avoid the risks, We recommend all users downloading SpyHunter Antimalware For Mac, a professional automatic malware removal tool which keeps your Mac away from virus and malware attack and avoid online spam and phishing websites and protect your privacy and files well.

1. Click Download button here to download SpyHunter For Mac:

Download SpyHunter For Mac (Free Trial)

(Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found. Read itsEULAPrivacy Policy See more Free SpyHunter Remover details.)

2. Double-click SpyHunter-1.2-15-7043-Installer.dmg to install Spyhunter For Mac:

virus remover for mac

3. Once SpyHunter For Mac  is installed, run a scan and register its full version to remove all malicious objects on your Mac.

4. In case “Viewer” extension is still infecting your Mac, Submit a Support Ticket and the support agent will conact to help you.

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