Hello, I now can’t fix my browser’s problem as it is controlled by this Youndoo.com webpage. I tried many times to change back the homepage and search tool but it doesn’t work at all. My friend said it is a kind of browser hijacker and it will be hard to be removed by any antivirus problem. I just browsed on the Internet to download some music and video, but suddenly I say something flashing and installing soon. I thought it should be the thing causing this browser hijacker. But I don’t know much about computer, could you please help me solve this problem?

Brief Description of Youndoo.com Hijacker

If you see Youndoo.com showing on your web browser, you should figure out a way to clear it up as soon as possible as it’s actually a kind of browser hijacker. Browser hijacker mainly corrupts web browsers like IE, Google, Firefox and Edge. Once web browser is infected with Youndoo.com hijacker, it will soon be controlled by it and the homepage will be modified into this webpage. If you search something on the search bar, you will just get some unrelated search results or malicious links. But you don’t click on those strange links, as they will redirect you to virus-infected website. Virus-infected website is very harmful as it can put virus or malware into computer as soon as you open the webpage. Youndoo.com hijacker also inserts some unsafe and useless extension or plugin into browser settings without your permission. those extension like adware will keep popping up ads, fake message banner, deals, items discount message and so on to flood your screen, and you can’t perform some online tasks smoothly. Since there are so many popups, internet speed becomes slow and it takes a long time to load up a webpage or even can’t load the page by saying “This page can’t be displayed” or “This website is not available”, sometimes you even can’t connect with Internet as DNS sever settings are changed by this Youndoo.com hijacker .

Youndoo.com hijacker will not be as harmful as those dangerous viruses like Trojan virus, worms or ransomware, but it also can bring those dangerous virus or malware. So generally there are some computer infections getting on your computer while this browser hijacker accesses your web browser. And if there are too many computer infections, the security of computer will be more vulnerable and even antivirus’ firewall will be affected. If many loopholes happen, some cyber hackers will access your computer with help of some aggressive virus or spyware. Remote hacker will access and get your important personal information like bank account details, credit card info, business or trade privacy, email password or your ID and so on. Youndoo.com hijacker can be prevented if you can pay attention to your online activities well. For example, please don’t visit unsafe websites where popups and fake message fly over and there, and also don’t read and open those spam email especially the attachment as hackers usually insert virus or malware into attachment, beside don’t download application or apps from unlicensed websites.

Main Symptoms of Youndoo.com Hijacker

-Can change your homepage or the default search engine and it totally prevents you from changing them back

-Can always redirect you to other websites

-Can pop up various advertisements and sponsored links randomly to interrupt your online activities

-Can create many junk files which occupy a lot of space in hard drive

-Can download other malicious programs into computer, which make further damage.

-Can collect and send data concerning your search history and other browsing activities.

-Your sensitive information can be tracked and stolen by hacker who can access to your computer with the help of browser hijacker.

NOTE: If you find any of these symptoms on your computer, that proves your PC is under attack and seriously infected with Youndoo.com hijacker. If you are not a computer savvy, Please contact YooSecurity Online PC Experts to remove this browser hijacker for you.

The Screenshot of Youndoo.com Hijacker


Manual Removal Guide of Browser Hijacker (For Computer Literate)

There is a removal guide of browser hijacker provided here; however, expertise is required during the process of removal, please make sure you are capable to do it by yourself.

Step 1: Press CTRL, SHIFT and ESC  these three keys together at the same time to pull up Windows Task Manager; click Processes tab on top and scroll down the list to find and end odd processes related to this Youndoo.com hijacker. Names of the processes are random.

Windows Task Manager

Step 2: Open Control Panel from Start Menu, then open Programs, click on Uninstall a program. Find suspicious programs or tool-bars related to the Youndoo.com hijacker. Right click on it and select Uninstall.

Programs and Features

Step 3: Go to Folder Options in Control Panel, select the View tab, and then mark “Show hidden files, folders, and drivers” and unmark “Hide protected operating system files” (Recommended) and then click Apply or OK.

Folder Options

Step 4: Go to Registry Editor to delete the path of the related items with the Youndoo.com browser hijacker.

Registry Editor

Step 5: Clear all history, data and cookies of your infected web browser.

Youndoo.com hijacker has the ability to insert into web browser and spy on user’s online activities, so it is suggested to delete all history, data and cookies of the infected web browser before a complete removal. Take Internet Explorer for example:

a. From the “Tool” menu button in the upper-right corner of the Internet Explorer window, choose “Safety” > “Delete browsing history…“.

Delete Browsing History 1

b. Then tick Cookie and website data and History, click Delete.

Delete Browsing History

Step 6: Change your homepage of the infected web browser (Take Internet Explorer as Example)

From the Navigation toolbar in Internet Explorer, click Tools menu and select Internet Options, then click General tab, and input the URL you want into the Home page box and then click OK.


Similar video on browser hijacker removal:


Youndoo.com hijacker is a harmful redirect infection to the computer. It changes the homepage and search engine totally and prevents online users from changing back, redirects them to its URL or other malicious websites, steals their personal data like online banking details, credit card or paypal account information or your business data and displays endless pop-ups on the screen to prevent them from getting online normally and smoothly. Those pop-ups it creates will take up too much Internet resources and slow down Internet speed. The webpage will be hard to load up and even can’t be open after you have tried many times to open the webpage you need. In system, many unwanted junk files will be produced to occupy the rest of system capacity. Even thought at the beginning this redirect infection is not as harmful as those stubborn viruses like Trojan horse, ransomware, worms or payware, this Youndoo.com hijacker also has the ability to bring those harmful viruses to attack computer system, which will greatly slow down PC performance and make it run as a snail and further harm to mess up system files and damage system severely.

Suggestion: To follow removal guide that mentioned above, a level of computer knowledge is needed. Still can’t get out of browser hijacker? Contact online experts for help now!

Published by Tony Shepherd & last updated on June 25, 2016 8:59 am

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