Get Rid of Key-Find.com Virus Completely and Stop Annoying Pop-ups

My homepage has been replaced with Key-Find.com without my permission. This annoying Key-Find.com happened about 2 days ago. I thought it was associated with the plug-in I installed by accident, so I uninstalled it immediately. But this nasty page still appears. How to fix this browser problem? And my computer is running slow. Can anyone help me get rid of it completely?

What is Key-Find.com Virus?

Key-Find.com Virus is a risky computer threat which comes under the category of browser hijackers. This Key-Find.com virus always intrudes into your computer though a variety of freeware offered by unreliable websites. After entering your computer, this Key-Find.com virus will make modifications to the default settings of your Internet Explorer, Google Chrome and Mozilla Firefox without giving you any notification. Similar to Search.coupons-bar.com Virus and Isearch.safefinder.net Virus, it will corrupt your search results and redirect them to other irrelevant websites which have been set by cyber criminals. Besides, this Key-Find.com virus has the ability to connect to the servers controlled by cyber criminals and download all kinds of dangerous viruses and malware into your compromised computer. Being infected by multiple infections, the performance of your computer will be degraded seriously. The main purpose of this Key-Find.com virus is to help cyber criminals capture your personal information including your login names, email passwords and financial details. Additionally, your current homepage as well as default search engine will be forcibly changed into Key-Find.com. Moreover, you will be annoyed with floods of commercial ads which try to trick you into purchasing their bogus products. As this Key-Find.com virus poses a threat to your computer security and your privacy security, it should be deleted from your infected computer without any hesitation. 

Key-Find.com Virus Screenshot:

Key-Find.com Virus will do much harm to the infected computer:

1) Key-Find.com Virus makes changes to the default settings of your web browser unknowingly.
2) Key-Find.com Virus modifies your favourite homepage as well as the default search engine.
3) Key-Find.com Virus invades your computer along with many other risky viruses and malware.
4) Key-Find.com Virus gathers your search quaries and records your private data online.
5) Key-Find.com Virus generates a large number of pop-ups when you are surfing the Internet.
6) Key-Find.com Virus continues to redirect you to a variety of unfamiliar websites.
7) Key-Find.com Virus makes the system crash frequently and causes the slow network speed.

How to Remove Key-Find.com Virus from your PC?

1. Restart your computer and keep pressing F8 Key before Windows launches. Use the arrow keys to select the "Safe Mode with Networking" option, and then hit ENTER Key to continue.

2. Press Ctrl+Alt+Del at the same time to open Windows Task Manager and end Key-Find.com process.

3. Go to Computer Control Panel from Start menu and open Folder Options. Click View and then tick “Show hidden files and folders” and uncheck “Hide protected operating system files (Recommended)”. Press OK.

4. Press Winkey+R together then enter “regedit” to start your registry editor. Delete the following registry keys.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System "DisableRegistryTools" = 0
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vir-help.exe
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\[RANDOM CHARACTERS].exe

5. Delete the following and related system files.

%AllUsersProfile%\{random}\
C:\windows\system32\drivers\mrxsmb.sys(random)
C:\Users\user account\Appdata\Roaming

Note: Key-Find.com virus is rather stubborn and malicious. It requests certain computer skills when you dealing with it in manual way. Any incident action could lead your machine to a more terrible situation.