Remove ChatZum Search and ChatZum toolbar hijacker

Last updated on September 28th, 2013

Chatzum Search ( & Chatzum Toolbar (By Chatzum) are browser adware and hijacker programs. Once  Chatzum software is installed on your computer, it modifies your browser home page to “”, installs a useless toolbar and performs browsing redirects to unknown advertisements. "Chatzum" hijacker is bundled inside other software installation programs and for that reason you must always pay attention when you install free software on your computer.

To remove “Chatzum search engine ( & Chatzum Toolbar” from your computer, use the steps below:

ChatZum Search -  ChatZum toolbar

How to remove “Chatzum search engine ( & Chatzum Toolbar” from your computer:

Step 1. Uninstall applications installed by “Chatzum” software from your Control panel.

1. To do this, go to Start > Control Panel. {Windows 8: Right click on the bottom left corner and select Control Panel } {Windows XP: Start > Settings > Control Panel. }

Start- control panel -

2. Double click to open “Add or Remove Programs” if you have Windows XP or “Programs and Features” if you have Windows 8, 7 or Vista).

control panel -

3. In the program list, find and remove/Uninstall these applications: a. Chatzum Toolbar (By Chatzum)


4. Restart your computer and proceed to next Step.

Step 2. Remove “Chatzum search engine ( & Chatzum Toolbar” from your internet browser application.

Internet Explorer, Google Chrome, Mozilla Firefox

Internet Explorer

How to remove “Chatzum Toolbar” & “Chatzum searchsettings ( from Internet Explorer & restore IE settings.

1. Open Internet Explorer and then open “Internet Options”. To do this from IE’s file menu, choose “Tools” > “Internet Options”. Notice*: In the latest versions of IE press the “Gear” icon image_thumb18 on the top right.

remove ChatZum Search &  toolbar - internet explorer

2. Click the “Advanced” tab.


3. Choose “Reset”.

IE-reset -

4. Check (to enable) the “Delete personal settings” box and choose “Reset”.

IE-reset window -

5. After the resetting action is completed, press “Close” and then choose “OK” to exit Internet Explorer options.


6. Restart Internet Explorer and from IE’s file menu, choose “Tools” > “Manage Add-ons”.

internet explorer - manage add-ons

8. Click on “Toolbars and extensions” at the left pane and “Disable” the following entries on the right. (If they exist)

a. ChatZum Toolbar

b. XBTBPos00 Class

remove ChatZum toobar - internet explorer

9. Click on “Search Providers” options at the left pane and then select and “Set as default” provider other than “ChatZum”.

ChatZum Search engine - internet explorer

10. Click remove “ChutZum” search engine.

remove ChatZum Search engine - internet explorer

11. Close Internet Explorer and proceed to Step 3.

Google Chrome

How to remove “Chatzum Toolbar” & “Chatzum searchsettings ( from Chrome & restore Chrome settings.

1. Open Google Chrome and go to chrome menu image and choose "Settings".

remove ChatZum Search &  toolbar - chrome

2. Find the “On startup” section and choose “Set Pages”.

chrome - homepage

3. Delete the “ChatZum Search –” homepage from startup pages by pressing the “X” symbol on the right.

remove - homepage - chrome

4. Set your preferred startup page (e.g. and press “OK”.


5. Under “Appearance” section, check to enable the “Show Home button” option and choose “Change”.

chrome - home button

6. Delete the “” entry from “Open this page” box.

chrome - new tab

7. Type (if you like) you preferred webpage to open when you press your “Home page” button (e.g. or leave this field bank and press “OK”.


8. Go to “Search” section and choose “Manage search engines”.

chrome - manage search engines

8. Choose your preferred default search engine (e.g. Google search) and press “Make default”.


9. Choose the “ChatZum Search – search engine and remove it by pressing the “X” symbol at the right. Then choose “Done” to close “Search engines” window.

remove ChatZum Search engine - chrome

10. Choose “Extensions” from the left pane.

chrome - extensions

11. At extensions options, remove the “ – Easy Pictures zoom” extension by pressing the “recycle bin” icon on that line. When the confirmation dialog appears, click Remove.

remove ChatZum toolbar - chrome

12. Restart Google Chrome and proceed to Step 3.

Mozilla Firefox

How to remove “Chatzum Toolbar” & “Chatzum searchsettings ( from Firefox & restore Firefox settings.

1. Click on “Firefox” menu button on the top left of Firefox window and go toHelp” > “Troubleshooting Information”.

remove ChatZum Search &  toolbar - firefox

2. In “Troubleshooting Information” window, press “Reset Firefox” button to reset Firefox to its default state.

firefox - reset -

3. Press “Reset Firefox: again.


4. After the resetting job is completed, Firefox restarts.

5. Close all Firefox windows and proceed to the next Step.

Step 3: Clean your internet browser from Adwares, Toolbars and Hjackers using "AdwCleaner".

1. Download and save "AdwCleaner" utility to your desktop.


2. Close all open programs and Double Click to open "AdwCleaner" from your desktop.

3. Press "Delete".


4. Press "OK" at "AdwCleaner – Information" window and press "OK" again to restart your computer.


5. When your computer restarts close "AdwCleaner" information (readme) window and proceed to Step 4.

Step 4. Clean your computer from remaining malicious threats.

Download and install MalwareBytes Antimalware Free program to clean all the malicious threats remaining on your computer.*

*If you don’t know how to install and use “MalwareBytes Anti-Malware“, read these instructions.

Advice: To ensure your computer is clean and safe, perform a Malwarebytes Anti-Malware full scan in windows “Safe mode“.*

*To get into Windows Safe mode, press the “F8” key as your computer is booting up, before the appearance of the Windows logo. When the “Windows Advanced Options Menu” appears on your screen, use your keyboard arrows keys to move to the Safe Mode option and then press “ENTER“.

Step 5. Clean unwanted files and entries.

Use “CCleaner” program and proceed to clean your system from temporary internet files and invalid registry entries.*

*If you don’t how to install and use “CCleaner”, read these instructions.

Step 6. Restart your computer for changes to take effect and perform a full scan with your antivirus program.

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