TrojanDownloader:Win32/Faighu is a detection for malicious programs that was designed to contaminate the computer with additional threats. Attackers have several use cases for making this virus; hence, its main payload is to communicate to a remote server and fetch more threat that would strengthen its presence on the system. For example, stage two of the attack is to communicate with its command-and-control server to download a module that may allow it to perform backdoor functions. As such, the moment that an antivirus program identifies the presence of TrojanDownloader:Win32/Faighu, a full virus scan must be run on the computer immediately to avoid further damage.

Illustration for TrojanDownloader:Win32/Faighu

How does it infect the computer?

Viruses have different ways for infecting a computer. Some are using direct targeting, while others only rely on the ignorance of computer users, who may get infected by clicking on malicious links, downloading infected software, or opening a malicious email attachment. TrojanDownloader:Win32/Faighu was found to be on the later campaign. In fact, the attackers are often using mass-mailing campaign to deploy this virus. To be able to lure users into opening the infected attached file, they use an attractive subject and message.

Aside from mass-mailing distribution, computer users may also accidentally acquire TrojanDownloader:Win32/Faighu through infected websites where they may get diverted to after clicking on malicious links that are posted on social media sites, blogs, and forums.

How does this malware operate?

The moment that TrojanDownloader:Win32/Faighu is executed on the computer, it is going to drop several malicious files under the Windows and System folders. A registry entry is also created to run the virus on each boot of Windows.

TrojanDownloader:Win32/Faighu starts communicating with a command-and-control (C&C) server to report the current infection. From there on, it begins to download or inject malicious code into the computer that will allow the attacker to execute different malicious actions.


Microsoft security software and antivirus programs that are running on the computer in real-time may be able to post a warning about the presence of TrojanDownloader:Win32/Faighu. So far, this is the only visible symptom that computer users may witness during the infection period. An unknown internet traffic acting up on the computer while communicating to a remote server may also show up as a warning if the firewall is active.

How to remove TrojanDownloader:Win32/Faighu?

To totally remove TrojanDownloader:Win32/Faighu from the computer and get rid of relevant viruses and trojans, please execute the procedures as stated on this page. Make sure that you have completely scanned the system with the suggested malware removal tools and virus scanners.

Step 1 : Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted computer security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of computer virus like TrojanDownloader:Win32/Faighu through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the database file; please wait for this process to complete.

6. To begin checking for threats like TrojanDownloader:Win32/Faighu, click on the Start Scan button. Wait for this scan to finish.

Screenshot of Combo Cleaner PC

7. At the end of the scan process, click on Remove all threats to delete TrojanDownloader:Win32/Faighu malware, including all malicious objects from the computer.

To fully optimize the features of antivirus and privacy scanners, users may have to upgrade to the premium version.

Please continue with the succeeding removal procedures if you are comfortable manually getting rid of the computer virus and malicious items linked to it.

Step 2 : Start Windows in Safe Mode With Networking

The method of running Windows in Safe Mode before running a virus scan is effective in getting rid of TrojanDownloader:Win32/Faighu. This process can prevent most viruses and malware from loading, making it easier to detect and remove them.

1. On the Windows Search bar, please type msconfig.

Screenshot of Win 11 Search

2. Select and open System Configutation on the list of found results.

3. Once you are in the System Configuration window, go to the Boot tab.

Screenshot of Msconfig Win 11

4. Under the Boot Options area, please check Safe Boot so that it starts in Safe Mode after restarting.

5. Next, select Network. This will allow Windows to boot in Safe Mode with Networking.

6. Lastly, click on Apply and OK to save the changes.

7. Please restart Windows.

Do not forget to restore the normal boot process of Windows after running the virus scan. Simply repeat the method above, and this time, uncheck the Safe Boot option to run Windows normally.

Step 3 : Run Sophos Home Virus Scanner

To remove TrojanDownloader:Win32/Faighu automatically, scanning the computer with this powerful virus and malware removal tool is recommended. This scanner does not just uncover known threats like viruses or malware; it is also effective in discovering harmful files associated to TrojanDownloader:Win32/Faighu.

1. Please click on the link below to download the program.

2. After downloading, locate the file SophosInstall.exe in the Downloads folder.

3. Install by double-clicking on the file.

4. If it prompts "Do you want to allow this app to make changes on your device?" please click Yes.

5. Next, it will display the Terms and Conditions page. Click the Install button to begin.

Screenshot of Terms by Sophos Home

6. Run the installation with the default settings. Please note that an internet connection is required in order to download important updates.

7. After finishing the installation, you must login to the dashboard. If you already have a Sophos account, please login. Otherwise, please enter your details and click on the Create Account button.

8. Once you are in the Sophos Home console, click the Scan button to start checking the computer for TrojanDownloader:Win32/Faighu components.

Screenshot of Sophos Home

9. Scanning may take a while; please wait for this process to finish.

10. After scanning the computer, Sophos Home will start cleaning or deleting files infected with TrojanDownloader:Win32/Faighu.

11. You may now close Sophos Home. The computer is now free from TrojanDownloader:Win32/Faighu, as well as associated malware and viruses.

After executing the above instructions, TrojanDownloader:Win32/Faighu should have been completely removed from the computer. If there are still signs of infection or the computer is displaying unusual behaviors, please continue with the remaining procedures.

Another alternative for Windows 10/11 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Step 4 : Double Check with Windows Security Apps

Microsoft Windows has a built-in security application that you can use to double-check if your computer is still infected with TrojanDownloader:Win32/Faighu. For Windows 10/11 users, please run Windows Security.

Windows 10 / 11 Instructions:

Windows Security is a free tool that was built to help you remove TrojanDownloader:Win32/Faighu, viruses, and other malicious items from Windows 10/11 systems. Follow these procedures to scan your computer with the tool:

1. Tap or click the Search charm and search for Windows Security

2. Click Open to run the program.

Screenshot of Win 11 Search

3. On the Dashboard, click Virus and threat protection from the sidebar.

Screenshot of Win 11 Virus Protection

4. On the right panel, click on Scan Options to see different levels of checking the computer.

5. Next, please select Full Scan button.

Screenshot of Full Scan Win 11

6. Lastly, click on the Scan now button to start scanning for the presence of TrojanDownloader:Win32/Faighu. The process may take a while to complete.

7. After the scan, Delete/Quarantine identified threats, whether they were relevant to TrojanDownloader:Win32/Faighu or not. You may now restart Windows to complete the virus removal process.

For Windows 8.1 and Windows 7, you can scan the computer for free with the Microsoft Malicious Software Removal Tool (MSRT 64-Bit). It is a stand-alone virus scanner tool that targets prevalent malware groups.

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