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Remove PUP.Bundle.Installer.OI Virus Manually

Learn more about PUP.Bundle.Installer.OI Trojan:

PUP.Bundle.Installer.OI is classified as a highly dangerous Trojan which is capable of decreasing overall PC performance and resulting in Internet connection issues once it is installed. Generally, it sneaks into victims’ computers when they access to harmful websites, junk emails or hazardous download attachments. After it accesses, it may strive to divert the victim’s web browser to dubious and dangerous websites that encompass malware infection or rogue applications. It is a huge risk for all the computers.

After breaking into the target computer by exploiting software vulnerability, it will apply an advance technique that aims to conceal itself and evades anti-virus detection. It also slows the system down, displays misleading alerts, redirects users to the hacked pages and does other malicious activities. Sometimes, this Trojan even infects your computer along with other types of computer threats like malware and spyware which completely threaten your privacy. Acting as other Trojans, it can disable security software from being deleted, modify system settings and gather confidential data to a remote hacker. If you don’t want your computer is working in a dangerous situation, you should get rid of PUP.Bundle.Installer.OI as early as possible.

The following instructions require certain levels of computer skills. If you’re not sure how to delete this nasty Trojan, please live chat with YooCare experts now.

Other corrupted activities of PUP.Bundle.Installer.OI include:

a. There will be lots of annoying pop-up ads and fake security alerts;
b. It will block your access to the Internet and redirect everything you do on your browser to malicious web pages;
c. It will reduce your PC performance and create many junk files to wreak chaos;
d. Antivirus programs on the computer will automatically be shut down;
e. It may come with additional viruses and malware to further damage your computer;
f. Your private and critical information may be captured a remote host who will use them for Internet crimes;

Manual Removal Guides:

Currently many computer users had the same experience that this virus couldn’t be removed by any anti-virus applications. So the manual approach is always required to combat this virus. And here is the step-by-step removal guide for all computer users.

1. Show hidden files and folders.

Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.

Click the View tab.

Under Advanced settings, click Show hidden files and folders, uncheck Hide protected operating system files (Recommended) and then click OK.

2. Open Registry entries. Find out the malicious files and entries and then delete all.

Attention: Always be sure to back up your PC before making any changes.

a. Press the “Start” button and then choose the option “Run”. In the “Open” field, type “regedit” and click the “OK” button.

b. All malicious files and registry entries that should be deleted:

%AllUsersProfile%\Application Data\.dll
%AllUsersProfile%\Application Data\.exe(random)
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run “[RANDOM]”
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run “[RANDOM].exe”

Video Shows You How to Safely Modify Windows Registry Editor:

PUP.Bundle.Installer.OI is classified as a harmful Trojan virus which can easily steal user passwords and capture private conversations. It is created by the internet hackers and infects your computer through vulnerability or security program exploits. It takes up high resources and strikingly slows down your computer speed and even causes your computer stuck frequently. What is worse, since it is categorized as a Trojan, it encompasses backdoor capabilities that enable cybercriminals to obtain unauthorized remote access and control over the compromised PC. In a word, PUP.Bundle.Installer.OI can make certain unwanted functions on the targeted PC and it is suggested users to delete it from the infected machine timely.

If you have no idea how to do with that, you are welcome to contact experts from Yoocare Online Tech Support for further help.

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Published by Sarah Poehler, last updated on December 6, 2012 5:34 am | How to Guides

One Response to “Remove PUP.Bundle.Installer.OI Virus Manually”

  1. [...] corrupt the computer seriously, which may cause system vulnerability and file fragmentation issues. Similar Trojan virus, for instance PUP.Bundle.Installer.OI, damages the affected computer greatly. Apart from corrupting the affected computer, this Trojan is set up to gather your sensitive [...]

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