Remove Passport.game321.com Virus Completely from IE/Firefox/Chrome

My web browser gets attacked by Passport.game321.com, and each time I open my Internet Explorer, Mozilla Firefox and Google Chrome, the start page is opened as Passport.game321.com. I reset my browser settings again and again but Passport.game321.com keeps showing up soon after I reopen my browser. I do a full system scan with my AVG and nothing has been found yet. I need help!

What is Passport.game321.com Virus?

Passport.game321.com Virus is categorized as a troublesome adware infection which disguises itself as a normal website and changes your chosen homepage without your approval. This Passport.game321.com virus can be automatically saved onto your computer when you browse unauthorized webpages, download unsafe applications or open e-mail attachments from unknown sources. When this Passport.game321.com virus sneaks into your computer, it will corrupt all the web browsers installed onto your computer, which can be Internet Explorer, Google Chrome, Mozilla Firefox and other browsers. When you want to gather some useful information online, this Passport.game321.com virus will constantly redirect you to other unfamiliar websites which are not unrelated to your search keywords. Like League of Angels Virus and UpdateNowpro.com pop-up ads Virus, this Passport.game321.com virus will not only cause annoying URL redirects but also display a large amount of pop-up ads. In worse cases, this Passport.game321.com virus can track your browsing history and capture your sensitive information for illegal purpose. On the other hand, the performance of your Windows system will be affected by this Passport.game321.com virus. And your system performance and the Internet speed will be slowed down gravely. Furthermore, this Passport.game321.com virus will introduce Trojan viruses into your system, which are very harmful to your computer security. So it is highly advised to remove this Passport.game321.com virus before it causes further damage.

Passport.game321.com Virus Screenshot: 

Passport.game321.com Virus will do much harm to the infected computer:

1) Passport.game321.com Virus escapes from antivirus software' s detection and avoids being removed.
2) Passport.game321.com Virus changes your default homepage and search engine without your permission.
3) Passport.game321.com Virus displays tons of annoying pop-ups whenever you are browsing the web.
4) Passport.game321.com Virus makes you sick and tired of a series of unwanted redirection problems.
5) Passport.game321.com Virus severely slows down your computer performance and causes a system crash.
6) Passport.game321.com Virus introduces a mass of risky viruses and malware into your computer.
7) Passport.game321.com Virus tracks your browsing history and pilfers your personal information.

How to Remove Passport.game321.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 Passport.game321.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\Settings “UID” = “tovvhgxtud”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System "DisableRegedit" = 0

5. Delete the following and related system files.

%CommonPrograms%\Startup\Launch\[random].lnk
%AllUsersProfile%\Application Data\.dll
C:\WINDOWS\system32\drivers\redbook.sys(random)

Note: Passport.game321.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.