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How to Remove a Trojan Virus

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Removing a Trojan virus is easier than you thinkTrojan Virus

If you need to know how to remove a Trojan virus from your computer or smartphone, it’s important to learn what a Trojan virus is, how it infects a system, and what type of virus your system may (or may not) be infected with.

What Is a Trojan Virus?

If your computer is running more slowly or pop-up windows are appearing with weird DLL (or .dll) errors, your device may be infected with a Trojan virus.

This kind of malware infection requires an action on the part of the user. Usually, this involves downloading free software or downloading an attachment from an email and running the file.

The name Trojan comes from the Greek story about a giant wooden horse that the Greeks built to infiltrate the city of Troy. As the story goes, the Greeks filled the wooden horse with soldiers and then left the horse at Troy’s gates as a gift. Once inside the gates, the soldiers waited until nightfall to exit the horse and attack the city.

Likewise, a Trojan virus is usually attached to software that you may want to download and run on your computer. Trojan viruses can come attached to Windows utilities, free games, and many other types of software.

Is My Computer Infected With a Trojan Virus?

Before you can start your Trojan virus removal, you need to determine if this is indeed the kind of virus that your computer is infected with. To do that, proceed through the following troubleshooting tips.

CHECK FOR RECENTLY INSTALLED SOFTWARE

If you installed free software on your computer before the strange behavior started, the odds are good the issue is a Trojan virus.

  1. Select the Start button, type “Control Panel“, and open the Control Panel app.

  2. Select Programs > Programs and Features, then select the Installed On column to sort programs by the date they were installed.
  3. Look for very recently installed applications that you either don’t recognize or that you remember downloading for free from the internet and might be suspect. Select that program and then select the Uninstall button at the top of the list to uninstall that application. “Uninstalling the Trojan “carrier” program might not completely uninstall the Trojan virus from your computer, but it’s a good start. It’ll also ensure that the Trojan doesn’t get reinstalled once you remove it.”

CHECK THE REGISTRY

Sometimes a Trojan virus will install silently and may not show up in the list of installed programs. You may be able to locate it in the registry.

  1. Select the Start menu, type “run” and select the Run app.

  2. In the Run window, type “regedit” and select OK.

  3. Navigate through the registry tree to find HKEY_LOCAL_MACHINE\SOFTWARE\. Scroll down the list of applications and look for any unusual software names. Delete the registry entry for that application. Use Google to research any programs you suspect may be a Trojan virus.

Often, Google results for specific Trojan viruses include websites that provide utilities for removing those viruses. This is especially useful for very new Trojan viruses that the major antivirus providers haven’t yet provided a patch for. For example, Symantec provides a free removal tool for the Trojan.Kotver virus.

Make sure only to download trojan removal utilities from well-known companies like Microsoft, Symantec, or McAfee. Never install utilities from free software download sites, as many of those actually contain additional Trojan viruses!

The Trojan Virus Removal Process

Even if you’ve uninstalled the carrier program and removed the registry key, there are likely still Trojan virus files throughout your system. Some of those might even have replaced some of your core system files.

Both Microsoft and Antivirus providers frequently update their definitions library with the latest Trojans. The fastest way to remove a Trojan you’ve just been infected by is to run a full system scan with those.

WINDOWS DEFENDER

If you only use Windows Defender for your antivirus, run a full scan using the program.

  1. Select the Start menu, type “Windows Security“, and select the Windows Security app.

  2. Select Virus & threat protection from the left navigation pane. Under Current threats, select Scan options.
  3. Select Scan Options Full scan, and then select the Scan now button.
  4. If you have any other antivirus software already installed on your computer, Windows Defender scan won’t be enabled. Open your antivirus software and make sure the virus definitions are up to date. You can usually find this under Settings.

OTHER ANTIVIRUS SOFTWARE

If you have any other antivirus software already installed on your computer, Windows Defender scan won’t be enabled. Instead you need to open your security software and select Scan Computer.

If you have a Trojan infection, most major antivirus applications should be able to identify it and completely clean your system. The software will alert you to what the name of the Trojan virus is, and what actions were taken to remove it from your system.

Full System Restore May Be Needed

If the antivirus removal failed, or it did not find a Trojan virus, and you believe you’re still infected, a system restore can fix the problem.

  1. Select Start and type “Recovery“. Select Recovery. In the Recovery window, select Open system Restore.

  2. This will open the system recovery wizard. Select Next to start the process. On the screen displaying system restore points, select Show more restore points. Select the restore point with a date before installing the application that had the Trojan virus, then select Next.
  3. On the confirmation screen, make sure the correct system hard drive is displayed in the Drives list. Select Finish to complete the restore.
  4. Once your system is restored to the restore point before installing the software with the Trojan virus, your system will be completely clean of the virus.

Trojan Virus Remover for Android

If you’re running a Mac or using an iPhone, the odds are good that you’ll never have to deal with a Trojan virus, thanks to the security measures that Apple has in place.

However, it is possible to get a Trojan virus on an Android device. There are many effective antivirus apps for Android that work well for removing Trojan viruses from your smartphone or tablet.

These include:

Running a full system scan with any of these mobile applications should identify the Trojan virus on your device and remove it.

If these antivirus apps fail to remove the Trojan from your Android, you may need to wipe and reset your Android phone as a last resort.
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Simmyideas Tech Hub reviews the latest mobile phones, smart gadgets, software, Tech Tips and other related Tech Products. We aim to deliver honest reviews, from a user perspective to help you choose the best tech for your needs. Send emails to [email protected]

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