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Remove GrabRez adware

removal by Olivia Morelli - -   Also known as Ads by GrabRez | Type: Adware

What is GrabRez?

GrabRez is an ad-supported extension, which developers seem to be using deceptive ways to generate revenue. Security experts refer to this app as an adware or a potentially unwanted program (PUP) because it commonly spreads attached to other free programs and is set to implement lots of operations without asking for users’ permission. Once inside, it may take over his/her web browser (Google Chrome, IE, or Mozilla Firefox) and start initiating lots of commercial ads. Beware that the more GrabRez ads people click, the more financial profit third parties earn via pay-per-click system. Thus, do not be surprised after receiving a ton of messages marked as ‘Ads by GrabRez’. Besides, these advertisements may cause continuous redirects to affiliate and sponsored websites thus increasing their page rank. In most of the cases, websites that GrabRez redirects make people visit are commercial, such as online shopping websites. However, some of them may be sponsored by third parties, which seek to spread other potentially unwanted programs or even viruses. Consequently, clicking ‘Ads by GrabRez’ can make you visit unsafe websites where you may catch PUP or virus infection. Even though that may not necessarily happen, you have to keep such a possibility in mind and take needed actions to stop potentially malicious ads from appearing. By the way, this adware may try to monitor your online activities (websites visited, data entered in them, search terms, clicks, etc.). Unfortunately, adware-type programs can easily be exploited, which means that cyber criminals can access your machine via GrabRez virus and start collecting sensitive information. To prevent this from happening, you should be more careful when installing free software on your computer in order to prevent installing ‘optional downloads’. If already happened so that you have installed GrabRez virus, remove ti right away. For that, we recommend using Reimage.

GrabRez virus

How can GrabRez hijack my computer?

GrabRez is commonly distributed via freewares and sharewares. Despite the fact that potentially unwanted programs (PUPs), such as adwares and browser hijackers can be distributed via spam and fake update alerts, ‘bundling’ is the most frequently used technique. There are tons of information related to this distribution method; therefore, we will not repeat everything again. We want here to remind you again how to prevent installing GrabRez redirect virus and programs that are similar to it, including Boxore, SlimPrice, Crazydeal, Video Converter and many others. First of all, you should avoid installing app from third-party download websites (softonic, cnet, download, soft32 and many others) because they tend to promote potentially unwanted programs on their own. However, you should also be more careful when installing freewares on your PC, especially when you are not familiar with them. If you are sure that you need free program, you should select Advanced or Custom installation option and check every notification that is disclosed to you. You have to look for ‘optional download’, such as browser add-ons, plug-ins, toolbars, and extensions in order to deselect. If you suspect that an adware or any other potentially unwanted program hides in your computer, follow the guide below and remove it in order to stay safe.

How to remove GrabRez virus?

If you think that your web browsers have already been hijacked by this program, you should follow these steps:

You can remove virus damage automatically with a help of one of these programs: Reimage, SpyHunter 5Combo Cleaner, Malwarebytes. We recommend these applications because they 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, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with SpyHunter 5.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.
GrabRez adware snapshot
Ads by GrabRez

To remove GrabRez adware, follow these steps:

Erase GrabRez from Windows systems

  1. Click Start Control Panel Programs and Features (if you are Windows XP user, click on Add/Remove Programs). Click 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, click on 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, then right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel and Uninstall a Program. If you are 'Windows 10 / Windows 8' user, then right-click in the lower left corner of the screen. Once 'Quick Access Menu' shows up, select 'Control Panel' and 'Uninstall a Program'.
  3. Uninstall GrabRez and related programs
    Here, look for GrabRez or any other recently installed suspicious programs.
  4. Uninstall them and click OK to save these changes. Right click on each of suspicious entries and select 'Uninstall'

Delete GrabRez from Mac OS X system

  1. If you are using OS X, click Go button at the top left of the screen and select Applications. Cick 'Go' and select 'Applications'
  2. Wait until you see Applications folder and look for GrabRez or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on every malicious entry and select 'Move to Trash'

Uninstall GrabRez from Internet Explorer (IE)

  1. Remove dangerous add-ons
    Open Internet Explorer, click on the Gear icon (IE menu) on the top right corner of the browser and choose Manage Add-ons. Click on menu icon and select 'Manage add-ons'
  2. You will see a Manage Add-ons window. Here, look for GrabRez and other suspicious plugins. Disable these entries by clicking Disable: Right click on each of malicious entries and select 'Disable'
  3. Change your homepage if it was altered by virus:
    Click on the gear icon (menu) on the top right corner of the browser and select Internet Options. Stay in General tab.
  4. Here, remove malicious URL and enter preferable domain name. Click Apply to save changes. Delete malicious URL, enter your desired domain name and click 'Apply' to save changes
  5. Reset Internet Explorer
    Click on the gear icon (menu) again and select Internet options. Go to Advanced tab.
  6. Here, select Reset.
  7. When in the new window, check Delete personal settings and select Reset again to complete GrabRez removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again

Remove GrabRez adware from Microsoft Edge

Reset Microsoft Edge settings (Method 1):

  1. Launch Microsoft Edge app and click More (three dots at the top right corner of the screen).
  2. Click Settings to open more options.
  3. Once Settings window shows up, click Choose what to clear button under Clear browsing data option. Go to Settings and select 'Choose what to clear'
  4. Here, select all what you want to remove and click Clear. Select 'Clear' button
  5. Now you should right-click on the Start button (Windows logo). Here, select Task Manager. Open the start menu and select 'Task Manager'
  6. When in Processes tab, search for Microsoft Edge.
  7. Right-click on it and choose Go to details option. If can’t see Go to details option, click More details and repeat previous steps. Right-click 'Microsoft Edge' and select 'Go to details' Select 'More details' if 'Go to details' option fails to show up
  8. When Details tab shows up, find every entry with Microsoft Edge name in it. Right click on each of them and select End Task to end these entries. Find Microsoft Edge entries and select 'End Task'

Resetting Microsoft Edge browser (Method 2):

If Method 1 failed to help you, you need to use an advanced Edge reset method.

  1. Note: you need to backup your data before using this method.
  2. Find this folder on your computer: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select every entry which is saved on it and right click with your mouse. Then Delete option. Go to Microsoft Edge folder on your computer, right-click every entry and click 'Delete'
  4. Click the Start button (Windows logo) and type in window power in Search my stuff line.
  5. Right-click the Windows PowerShell entry and choose Run as administrator. Find Windows PowerShell, right-click it and select 'Run as administrator'
  6. Once Administrator: Windows PowerShell window shows up, paste this command line after PS C:\WINDOWS\system32> and press Enter:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    Copy and paste a required command and press 'Enter'

Once these steps are finished, GrabRez should be removed from your Microsoft Edge browser.

Eliminate GrabRez from Mozilla Firefox (FF)

  1. Remove dangerous extensions
    Open Mozilla Firefox, click on the menu icon (top right corner) and select Add-ons Extensions. Click on menu icon and select 'Add-ons'
  2. Here, select GrabRez and other questionable plugins. Click Remove to delete these entries. Select 'Extensions' and look for malicious entries. Click 'Remove' to get rid of each of them
  3. Reset Mozilla Firefox
    Click on the Firefox menu on the top left and click on the question mark. Here, choose Troubleshooting Information. Click on menu icon and then on '?'. Select 'Troubleshooting Information'
  4. Now you will see Reset Firefox to its default state message with Reset Firefox button. Click this button for several times and complete GrabRez removal. Click on 'Reset Firefox' button for a couple of times

Get rid of GrabRez from Google Chrome

  1. Delete malicious plugins
    Open Google Chrome, click on the menu icon (top right corner) and select Tools Extensions. Click on menu icon. Select 'Tools' and 'Extensions'
  2. Here, select GrabRez and other malicious plugins and select trash icon to delete these entries. Look for malicious entries and delete each of them by clicking on the Trash bin icon
  3. Click on menu icon again and choose Settings Manage Search engines under the Search section. When in 'Settings', select 'Manage search engines...'
  4. When in Search Engines..., remove malicious search sites. You should leave only Google or your preferred domain name. Click 'X' to remove malicious URLs
  5. Reset Google Chrome
    Click on menu icon on the top right of your Google Chrome and select Settings.
  6. Scroll down to the end of the page and click on Reset browser settings. When in 'Settings', scroll down to 'Reset browser settings' button and click on it
  7. Click Reset to confirm this action and complete GrabRez removal. Click on 'Reset' button to complete your removal

Erase GrabRez from Safari

  1. Remove dangerous extensions
    Open Safari web browser and click on Safari in menu at the top left of the screen. Once you do this, select Preferences. Click on 'Safari' and select 'Preferences'
  2. Here, select Extensions and look for GrabRez or other suspicious entries. Click on the Uninstall button to get rid each of them. Go to 'Extensions' and uninstall malicious add-ons
  3. Reset Safari
    Open Safari browser and click on Safari in menu section at the top left of the screen. Here, select Reset Safari.... Click on 'Safari' and select 'Reset Safari...'
  4. Now you will see a detailed dialog window filled with reset options. All of those options are usually checked, but you can specify which of them you want to reset. Click the Reset button to complete GrabRez removal process. Select all options and click on 'Reset' button

About the author

Olivia Morelli
Olivia Morelli - Ransomware analyst

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