How to remove Yontoo toolbar adware

Last updated on September 28th, 2013

"Yontoo" toolbar by Yontoo LLC is a malicious browser adware and hijacker program that performs browsing redirects and displays advertisements and special offers from unknown vendors. "Yontoo" toolbar is bundled inside other software installation programs and the company claims that the program personalizes the web experience around the internet.

When Yontoo toolbar is installed, it modifies your browser homepage (to: and its settings and installs a useless toolbar inside your browser.

To remove "Yontoo" software from your computer, use the steps below:

* Click here to see a detailed video on how to remove Yontoo Toolbar.


How to remove "Yontoo" software from your computer:

Step 1. Uninstall applications installed from "Yontoo LLC" from your Control panel.

1. To do this, go to Start > Control Panel.

{Start > Settings > Control Panel. (Windows XP)}


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).


3. In the program list, find and remove/Uninstall these applications:

a. Tarma Installer

b. Yontoo 2.05 (By Yontoo LLC) *

c. yontoo Toolbar (By yontoo)

d. Yontoo Layers

e. Browser protect

f. Uninstall any other unknown programs

Notice*: At Yontoo uninstall window, click the 2nd option to completely remove Yontoo.


Step 2. Remove "Yontoo" toolbar and restore your internet browser settings.

Internet Explorer, Google Chrome, Mozilla Firefox

Internet Explorer

How to remove "Yontoo" toolbar from Internet Explorer and restore IE search 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.


2. Click the "Advanced" tab.


3. Choose "Reset".


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


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


6. Restart your browser.

7. Re-open Internet explorer and from IE's file menu, choose "Tools" > "Manage Add-ons".


8.  Choose "Toolbars and Extensions" on the left pane and then disable all "Yontoo" extensions.


9. Click on "Search Providers" options at the left pane. First choose and "Set as default" search provider another search engine than "yontoo".


10. Then choose the "yontoo Customized Web Search" and click Remove.


9. Proceed to Step 3.

Google Chrome

How to remove "Yontoo" toolbar from Google Chrome and restore Chrome search settings.

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


2. Find the "On startup" section and choose "Set Pages".


3. Delete the "" from startup pages by pressing the "X" symbol on the right.


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


5. Go to "Search" section and choose "Manage search engines".


6. Choose your preferred default search engine (e.g. Google search) and press "Make default".


7. Then choose the "" search engine and remove it by pressing the "X" symbol at the right. Choose "OK" to close "Search engines" window.


8. Choose "Extensions" on the left.


9. In "Extensions" options remove the "Yontoo 1.0.3." extension by clicking the recycle icon at the right.


10. Close all Google Chrome windows and proceed to Step 3.

Mozilla Firefox

How to remove "Yontoo" toolbar from Mozilla Firefox and restore Firefox search settings..

1. First you must have enabled the Firefox's main "Menu Bar".

* Right Click, on the empty space at right of "Page Tab" and enable Firefox "Menu Bar".


2. From Firefox menu, go to "Help" > "Troubleshooting Information".


3. In "Troubleshooting Information" window, press "Reset Firefox" button to reset Firefox to its default state.


4. Press "Reset Firefox: again.


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

6. From Firefox menu, go to "Tools" > "Manage Add-ons".


7. Choose "Extensions" on the left and then make sure that "Yontoo" extensions doesn't exist. *

* If Yontoo" extensions exist, then select the "Yontoo 1.20.02" reference and choose remove.


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

Step 3: Remove malicious programs running inside windows.

Download and run CCleaner.

1. At CCleaner's main window, choose "Tools" on the left pane.


2. In "Tools" section, choose "Startup".


3. Choose "Internet Explorer" tab and then select and delete the two malicious entries (one by one) from Internet Explorer:

a. Helper    yontoo Toolbar        C:\Program Files\yontoo\prxtbyont.dll
Toolbar    yontoo Toolbar        C:\Program Files\yontoo\prxtbyont.dll


4. Finally choose "Scheduled Tasks" tab and then select and delete (one by one) the malicious tasks entries:

a.  0            c:\program files\internet explorer\iexplore.exe
b.  4670     wscript.exe C:\Users\Admin\AppData\Local\Temp\launchie.vbs //B


4. Restart your computer.

Step 4: Clean remain registry entries 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 continue to rhe next step.


Step 5. Clean your computer from remaining malicious threats.

Download and install one of the most reliable FREE anti malware programs today to clean your computer from remaining malicious threats. If you want to stay constantly protected from malware threats, existing and future ones, we recommend that you install Malwarebytes Anti-Malware PRO:

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*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 6. 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 know how to install and use "CCleaner", read these instructions.

Step 7. Restart your computer for changes to take effect and perform a full scan with your antivirus program.

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