Baidu

Sounds like a ****ing virus.

Edit - Okay, not quite, but its close.
http://malwaretips.com/blogs/baidu-pc-faster-virus/

Here are some tools you can use to clean your computer properly:

https://toolslib.net/downloads/viewdownload/1-adwcleaner/

http://www.eset.com/int/home/products/online-scanner/

Btw I'm using Windows 8.1 and Windows Guardian, Browser Google Chrome

When you install some programs, there comes some other programs with it too. If you don't notice you install them easily. I use the program "Unchecky" It prevents to install the other, unwanted programs.

Felicity Smoak approves Baidu

If you don't remove it quickly, your computer will become blue screen eventually.

Though a lot of Chinese like to use Baidu, it's a really bad company in fact. I am a Chinese, but I never use any product of Baidu.
If your computer have installed one of its programs, several days later all of its products will appear in your computer.
You'd better delete these Baidu programs as soon as possible.
Maybe you have downloaded and installed any program from a strange website recently.
Google: Don't be evil. Baidu: Always be evil.

99% of the programs you install make a use of abusing "next" without reading to ask for your permission to install some shit & sometimes changing your home page....Anyways,search google/youtube there're plenty of ways to remove "Baidu".

Now it install Baidu Antivirus without my consent, it don't even have any alert,
I don't even know when it download itself,
Fak I hope that company die soon

Number one rule to avoid those: When downloading softwares, don't go through the agreement just by repeatedly clicking "agree". Read at least what is the agreement for. Often, it'll ask you if you agree to install addons and programs which could potentially affect you browser or computer negatively. More often than not, clicking "I disagree" will skip the installation process of said addons and programs, and carry on to the software installation.

Scan with adwcleaner, malwarebytes, Spybot search & destroy and, for a second opinion, hitman pro (30 days trial).
That's what I did, My brother's girlfriend installed a free game and acepted all those filthy terms and conditions while installing. Now this little bastards are hidden there. You must read carefully. Not all the terms and conditions are for the software you downloaded.
Anyways, avoid any free stuff. That's free, but they make money with those "legal virus".
(Sorry for my bad english)

You have downloaded any chinese android rooting tools? these generally come with added software and unless you know chinese, you will end up installing all sort of things.