How to Remove OInstall.exe Trojan

This article can help you to remove OInstall.exe Virus. The step by step removal works for every version of Microsoft Windows.

The OInstall.exe infection is a perilous threat that belongs to the Trojan family. It’s hazardous and harmful. And, once it finds its way into your PC, be wary. The tool doesn’t waste time to spread its corruption. You begin to suffer its influences as soon as it settles. Trojans are quite meddlesome. They force a variety of reshuffles on you. And, do so, without bothering to clue you in, or seek permission. They can do simple things, like replace your default homepage and search engine. Or, scary things, like install more malware. Not to mention, the Trojan’s presence on your PC, weakens its defenses. The infection can even block firewalls, and disable security programs. Thus, making your system vulnerable to more unwanted threats. The Trojan’s presence also leads to frequent system crashes. And, a slower computer performance. Lagging becomes a daily occurrence. Programs that you used to run fine, refuse to work right. The infection may even restrict your online access, to make it harder for you to deal with it. The OInstall.exe threat is a horrible companion. Don’t extend its stay beyond the point of discovery. Don’t endue it hellish influences. Find its exact lurking place. Then, delete it! The faster it laves your system, the better.

How did I get infected with?

The Trojan sneaks into your system, because of you. It invades undetected, because of you. You give into carelessness at the most inopportune moment. Thus, making it eases for the infection to slip past you. Let’s explain. Infections, like Oinstall.exe, rely on user’s carelessness. They hope you give into naivety, haste, and distraction. That you skip terms and conditions, and agree to everything in blind faith. That you don’t do any due diligence at all, and rely on luck. Don’t oblige! Don’t ease their infiltration. Don’t choose carelessness over caution. One helps to keep cyber threat out, while the other invites them in. Don’t rush, or leave your fate to chance. Always take the time to be thorough, and remember. Even a little extra attention goes a long way. The usual methods, Trojan turn to, include the following. They hide behind corrupted torrents, links or sires. They use freeware as a way to conceal their presence. Of course, they can pretend to be updates, like Java or Adobe flash Player. And, they can use spam emails to slither their way in. For example, you receive a legitimate-looking email. One that appears to come from a well-known company, like Amazon or DHL. It contains an attachment or a link, that you get urged to open or download. If you do so, in blind faith, you end up regretting it. Don’t do anything without doing due diligence. Vigilance is of the utmost importance. That is, if you wish to keep a system, free of cyber threats.

Why is this dangerous?

The OInstall.exe Trojan doesn’t stop at messing up your system, alone. It extends its reach further. The tool takes aim at your privacy. Its presence on your PC places it in grave jeopardy. Here’s the thing. The infection has programming to spy on you. As soon as it invades, it begins to monitor your activities. It keeps track of everything you do, while browsing. And, records it. After it determines it has gathered enough information, it sends it. Yes, it exposes the stolen data to the cyber criminals behind it. Let that sink in. The Trojan gets a hold of your personal and financial details. Then, hands over it over to strangers with questionable intentions. These are not people, you can trust with your privacy! Don’t allow them to get their hands on it. As soon as you become aware of the Trojan’s stay, get rid of it. Do your best to locate where it’s hiding. And, when you do, remove it. Its prompt removal ensures the well-being of your system. Not to mention, keeps your privacy private. Act against OInstall.exe ASAP.

Manual OInstall.exe Removal Instructions

The OInstall.exe infection is specifically designed to make money to its creators one way or another. The specialists from various antivirus companies like Bitdefender, Kaspersky, Norton, Avast, ESET, etc. advise that there is no harmless virus.

If you perform exactly the steps below you should be able to remove the OInstall.exe infection. Please, follow the procedures in the exact order. Please, consider to print this guide or have another computer at your disposal. You will NOT need any USB sticks or CDs.

STEP 1: Track down OInstall.exe related processes in the computer memory

STEP 2: Locate OInstall.exe startup location

STEP 3: Delete OInstall.exe traces from Chrome, Firefox and Internet Explorer

STEP 4: Undo the damage done by the virus

STEP 1: Track down OInstall.exe related processes in the computer memory

• Open your Task Manager by pressing CTRL+SHIFT+ESC keys simultaneously
• Carefully review all processes and stop the suspicious ones.

• Write down the file location for later reference.

Step 2: Locate OInstall.exe startup location

Reveal Hidden Files

• Open any folder
• Click on “Organize” button
  
• Choose “Folder and Search Options”
• Select the “View” tab
• Select “Show hidden files and folders” option
• Uncheck “Hide protected operating system files”
• Click “Apply” and “OK” button

Clean OInstall.exe virus from the windows registry

• Once the operating system loads press simultaneously the Windows Logo Button and the R key.

• A dialog box should open. Type “Regedit”

• WARNING! be very careful when editing the Microsoft Windows Registry as this may render the system broken.

Depending on your OS (x86 or x64) navigate to:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run]

• and delete the display Name: [RANDOM]

• Then open your explorer and navigate to: %appdata% folder and delete the malicious executable.

Clean your HOSTS file to avoid unwanted browser redirection

Navigate to %windir%/system32/Drivers/etc/host

If you are hacked, there will be foreign IPs addresses connected to you at the bottom. Take a look below:

Step 4: Undo the possible damage done by OInstall.exe

This particular Virus may alter your DNS settings.

Attention! this can break your internet connection. Before you change your DNS settings to use Google Public DNS for OInstall.exe, be sure to write down the current server addresses on a piece of paper.

To fix the damage done by the virus you need to do the following.

• Click the Windows Start button to open the Start Menu, type control panel in the search box and select Control Panel in the results displayed above.
• go to Network and Internet
• then Network and Sharing Center
• then Change Adapter Settings
• Right-click on your active internet connection and click properties. Under the Networking tab, find Internet Protocol Version 4 (TCP/IPv4). Left click on it and then click on properties. Both options should be automatic! By default it should be set to “Obtain an IP address automatically” and the second one to “Obtain DNS server address automatically!” If they are not just change them, however if you are part of a domain network you should contact your Domain Administrator to set these settings, otherwise the internet connection will break!!!

 

• Check your scheduled tasks to make sure the virus will not download itself again.

How to Permanently Remove OInstall.exe Virus (automatic) Removal Guide

Please, have in mind that once you are infected with a single virus, it compromises your whole system or network and let all doors wide open for many other infections. To make sure manual removal is successful, we recommend to use a free scanner of any professional antimalware program to identify possible virus leftovers or temporary files.