Why can’t I remove this PUP.Bundle.Installer.OI virus? My AVAST says it’s in my disk C. I downloaded many anti-spyware but didn’t remove it? Why can I do? I have to smash my Toshiba laptop? Do you have the same trouble? Let’s read this post.

To Have A Better Understand of PUP.Bundle.Installer.OI

PUP.Bundle.Installer.OI is a crafty trojan horse that detected by Trend Micro Internet Security. It is the same stubborn as many others. As an offensive Trojan, it always tries to grasp any chance to invade the target system. The Trojan virus usually has a strong offensive to destroy information and files in a computer, resulting in the abnormal working of the computer, or more seriously, making the system unavailable. As a representative of Trojan, it won’t give up any chance to invade the target system. Before you find its true purposes, the infection has settled down in your computer. It tries its best to deceive innocent users.

When it successfully makes users believe it, PUP.Bundle.Installer.OI will pretend to start its righteous work. PUP.Bundle.Installer.OI pours out all sorts of irritating advertisements, which make you crazy. And it will tell you that your computer is in in danger. When you see those horrible alerts, you must be very nervous and vexatious. There are many alerts imply your computer is infected with dangerous viruses. Next PUP.Bundle.Installer virus claims to help you remove all the threats in your computer. However, it is the virus that bring in the real danger and damages to your computer. It can change Windows Explorer settings to download other malicious files from external servers. Have you ever seen such an irksome infection before? It is extremely important to drop everything that you are doing and to concentrate entirely on removing PUP.Bundle.Installer from your machine. Many people who get infected such virus may don’t understand how they get infected; they don’t do anything but just browse some websites. They don’t know that when they browse websites the PUP.Bundle.Installer.OI virus can access their PCs silently without your attention. The virus may hide in some unsafe sites that it will create a route to enter into people’s PC. Be careful whenever you surf on the internet.

To have a better and easy way to fix your computer, an IT expert can give you much help here:

Step-by-step Manual Removal Guide

In case that any mistake might occur and cause unpredictable damages during PUP.Bundle.Installer.OI virus removal, please spend some time on making a backup beforehand. Then follow these steps given as below:

1. Restart the infected computer and keep pressing F8 key before Windows launches; then use arrow keys to select and log in with Safe Mode with Networking;
2. Open Control Panel from Start menu and search for Folder Options;
3. Under View tab to tick Show hidden files and folders and non-tick Hide protected operating system files (Recommended) and then click OK;

4. Press Windows+R keys and then type regedit in Run box to open Registry Editor.

5. Delete all the following or those related to the following files.
%Documents and Settings%\[UserName]\Application Data\[random]
%AllUsersProfile%\Application Data\.dll
%AllUsersProfile%\Application Data\.exe(random)

6. Delete all the following or those related to the following registry entries.
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run Regedit32
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System “DisableRegedit” = 0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “Inspector”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Settings “net”
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\{ HASE }

7. Restart the computer to normal mode when you have successfully removed the Trojan virus.

Similar Video on How to Modify or Change Windows Registry

At last but not at least, please be careful when you try to fix PUP.Bundle.Installer.OI virus problem yourself. It’s not so easy for one person who is not familiar with the virus and not well trained in IT filed. The virus can change its name constantly which will make the removal work harder to you. If you don’t have much knowledge of Windows operating system, you almost can’t find it out from so large amounts of system files. And you’d better don’t try so called free software to get rid of this Trojan since the virus is well disguised that anti-virus may delete some system files erroneously. What’s more so called free software may be another cheater. You’d better to find an expert to help you remove this PUP.Bundle.Installer.OI Trojan virus.

All for your sake, a professional expert such as YooCare/YooSecurity PC Online Service can easily solve your problem and make you at ease.

Published by Tony Shepherd & last updated on June 3, 2013 3:36 am

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