Backdoor:MSIL/Chopper.H!dha is the detection of a malicious computer virus that attempts to remove users’ access to their own files. This virus can infiltrate the system with various sneaky methods that take advantage of vast computer connections over the Internet. Once it gets inside the computer, Backdoor:MSIL/Chopper.H!dha performs different malicious actions, defending the attacker’s preference.

Illustration for Backdoor:MSIL/Chopper.H!dha

How does it infect the computer?

Backdoor:MSIL/Chopper.H!dha spreads somehow, as do common computer viruses. Users can acquire it from spam, infected websites, malicious file installers, questionable links from social networks and site forums, botnets, or it could be abandoned by another Trojan infection.

As soon as Backdoor:MSIL/Chopper.H!dha is operational on the computer; it attempts to connect to a remote server to download additional malware that is known to have file encryption capacity. This virus can also drop a copy of its malicious code in the Windows system folder and pretend to be legitimate. To assign a boot sequence and run the malicious code, Backdoor:MSIL/Chopper.H!dha will insert its own Windows registry, which aims to initialize the virus code whenever the computer boots.

How does this malware operate?

The main goal of Backdoor:MSIL/Chopper.H!dha is to blow up the existing infection into a more dangerous one. In order to accomplish this task, it will download the ransomware module from a remote computer that is controlled by the attackers. It runs the resulting virus, and this is the beginning of a much more disastrous attack where it targets important computer files.

Backdoor:MSIL/Chopper.H!dha looks for common files such as documents, photos, images, videos, and similar data that are valuable to computer users. Then it gets the lock with a complex algorithmic technique that is quite impossible to unblock without the recovery tools belonging to the attackers.


Detecting a Backdoor:MSIL/Chopper.H!dha infection on your computer includes detecting specific signs that may signal harmful activity. One typical symptom is unexpected changes in your computer’s performance, such as poor processing rates, frequent crashes, or freezes. Additionally, if you detect unknown apps, toolbars, or browser extensions arriving on your system without your authorization, it might be a symptom of Backdoor:MSIL/Chopper.H!dha infection.

Unusual network activity is also symptomatic of a Trojan; if you encounter frequent interruptions in internet access or witness unexpected data transfers, it may signify an infection. Moreover, attentive monitoring for unusual systems or security alarms might help detect a Trojan’s existence.

For more help

One of the many viruses in our database is Backdoor:MSIL/Chopper.H!dha. Please visit the Backdoor category to view further pertinent threats and removal instructions.

How to remove Backdoor:MSIL/Chopper.H!dha?

To totally remove Backdoor:MSIL/Chopper.H!dha 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 Backdoor:MSIL/Chopper.H!dha 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 Backdoor:MSIL/Chopper.H!dha, 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 Backdoor:MSIL/Chopper.H!dha 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 Backdoor:MSIL/Chopper.H!dha. 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 Backdoor:MSIL/Chopper.H!dha 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 Backdoor:MSIL/Chopper.H!dha.

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 Backdoor:MSIL/Chopper.H!dha 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 Backdoor:MSIL/Chopper.H!dha.

11. You may now close Sophos Home. The computer is now free from Backdoor:MSIL/Chopper.H!dha, as well as associated malware and viruses.

After executing the above instructions, Backdoor:MSIL/Chopper.H!dha 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 Backdoor:MSIL/Chopper.H!dha. 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 Backdoor:MSIL/Chopper.H!dha, 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 Backdoor:MSIL/Chopper.H!dha. The process may take a while to complete.

7. After the scan, Delete/Quarantine identified threats, whether they were relevant to Backdoor:MSIL/Chopper.H!dha 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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