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Trojan:Win32 Definition and Removal Tutorial

Win32 Trojan


Trojan:Win32 (Trojan:Win32/Agent) is a detection used by Apple and Microsoft including Microsoft’s built-in Windows Defender program to define a Trojan downloader, Trojan dropper, or Trojan spy. Detections of Trojan:Win32 go back as far as January of 2008. Other Security programs may use a different detection for the same Trojan including Trojan.Win32.Agent (Kaspersky) and Trojan:Generic.dx!tus (McAfee).


Microsoft Windows Security defines Trojan:Win32 as a dangerous program that executes commands from an attacker and the Windows Defender program will automatically detect and remove several variants of Win32 Trojans including Trojan:Win32/Tiggre!plock and Trojan:Win32/Fuerboos.C!cl if default settings are unchanged.

The purpose of Trojan:Win32 is to generate revenue for the authors or distributors using various means. The Trojan is designed to steal data such as baking usernames and passwords, credit card data, PayPal information, and other personal data by intercepting an IP address or system’s network traffic. Additionally, it can also redirect cyber traffic to malicious websites, manipulate Windows apps and configurations, and install additional programs and scripts.

This type of Trojan may install itself by copying its own executable file(s) to Windows system folders (System32) and modify registry values to run the file(s) every time the system starts or performs another determined command.

The subkey Trojan:Win32 modifies to do this is:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

The details of the methods used to distribute this Trojan vary; However, the distribution method is generally the same. This Trojan can be distributed in email messages, websites, on social media, and in other places around the web. One of the most common ways it is distributed is via downloadable content. The malicious file may claim to be a game, update for your system, or another program to trick you into downloading and executing it.

Follow these steps to remove Trojan:Win32:

The Trojan:Win32 removal tutorial on this page was published to provide easy and comprehensive removal steps that will remove Trojan:Win32 and any traces of malware that may be on your computer. It is designed to be easy to follow, yet detailed to help you terminate every trace of malware.

Step 1: Use Windows Security

Use Microsoft’s built-in Windows Security options to enable a scan. Windows Security is your home to view and manage the security and health of your device.

1. Open the Start menu and go to Settings.

2. Go to Update & Security > Windows Security.

3. Click the Open Windows Security button to open the Windows Security interface.

4. Go to Virus & threat protection (designated by a shield icon).

5. There are several scan options: To perform a quick scan, click the Quick scan button. To perform a full, custom, or Windows Defender Offline scan click the Scan options link.

Step 2: Use Malwarebytes to Scan for Malware and PUPs

Use Malwarebytes to scan your computer for malware and Potentially Unwanted Programs (PUPs). Malwarebytes is and Antimalware program that will scan your computer and remove malware and other suspicious files.

1. Download Malwarebytes.


Why should you buy the premium version?

Malwarebytes Premium has real-time protection that automatically protects your computer and other devices from viruses, spyware, and malware. With Malwarebytes Premium you can stay ahead and safely browse the web with confidence.

2. Double click the executable file or icon, such as mb3-setup-1878.1878- to begin installing the program.

3. When you have installed Malwarebytes, click the Scan Now button to begin scanning your computer.

4. When the scan is complete, click the Quarantine Selected button to remove all threats detected by Malwarebytes.

Step 3: Use HitmanPro to Remove Remaining Trace Files

Use HitmanPro to scan your computer for remaining trace files. HitmanPro will scan your computer and get rid of malicious files and tracking cookies.

1. Download HitmanPro. Fill out the information on their website and download the executable file.


Why should you buy the full version?

HitmanPro is a little different than your usual security program. It goes beyond simply removing viruses, it completely eradicates all traces and remnants of the infection. HitmanPro is also designed to run alongside your Antivirus program which makes it a match up great with Malwarebytes Premium.

2. Double click the executable file or icon, such as HitmanPro.exe to begin installing the program.

3. When you have installed HitmanPro, click the Next button to begin scanning your computer.

4. When the scan is complete, click the Next button to remove all threats detected by HitmanPro.

Step 4: Use CCleaner to Clean Your System, Maintain Browser Settings, and Update Programs

Use CCleaner to get rid of junk files and temporary files that can remain on your system, maintain browser settings that may have been modified by malware, and update software (if needed) in order to keep your computer up to date with the latest security patches.

1. Download CCleaner.


Why should you buy the professional version?

CCleaner Professional has the power of real-time automation, so your computer always stays clean, safe, and fast. CCleaner Pro bundles privacy protection, system cleaning, and more with outstanding customer service.

2. Double click the executable file or icon, such as ccsetup556.exe to begin installing the program.

3. When you have installed CCleaner, click the Analyze button to begin analyzing your system.

4. Once analyzation is complete, click the Run Cleaner button to clean your system.

5. Now, let’s run through the Tools section; Go to Tools.

6. Uninstall: Is there a program you missed uninstalling before? CCleaner can often show you programs that are hidden from the Control panel.

7. Software Updater: Are there any programs to update? Make sure to keep the programs on your computer up-to-date to avoid issues with security vulnerabilities.

8. Startup: Go through the Windows, Scheduled Tasks, and Context Menu tabs. Are there any suspicious startup keys enabled? If so, highlight them with your mouse and click the Delete button to remove them.

9. Browser Plugins: Go through the tabs for each browser installed on your computer. Are there any suspicious plugins installed? If so, highlight them with your mouse and click the Delete button to remove them.

10. Finally, let’s clean up the registry. Get out of the Tools area and go to Registry.

11. Click the Scan for Issues button and follow the instructions.

12. Once the registry scan is complete click the Fix selected Issues… button and follow the instructions to fill all the selected issues found in your computer’s registry.

Lead Editor

Jared Harrison is an accomplished tech author and entrepreneur, bringing forth over 20 years of extensive expertise in cybersecurity, privacy, malware, Google Analytics, online marketing, and various other tech domains. He has made significant contributions to the industry and has been featured in multiple esteemed publications. Jared is widely recognized for his keen intellect and innovative insights, earning him a reputation as a respected figure in the tech community.

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