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Identify and Remove Backdoor:Win32/Chaapt.A

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Backdoor:Win32/Chaapt.A has been detected as a Trojan horse with backdoor capabilities. This means that it can connect to a Control&Command server and allow cyber criminals perform a range of malicious operations. Furthermore, once it is inside the system, Backdoor:Win32/Chaapt.A will modify the registry to make sure it runs every time the PC is rebooted. The Trojan has been identified by Microsoft and should be removed as soon as possible.

Download a System Scanner, to See If Your System Has Been Affected By Backdoor:Win32/Chaapt.A.

Backdoor:Win32/Chaapt.A Technical Details


Backdoor Trojans can create a real mess on the attacked PCs. First of all, cybercriminals are granted with remote access and can initiate various malicious operations. Backdoor:Win32/Chaapt.A doesn’t make an exception. Once remote access is obtained, any of the following activities can take place:

  • Deleting important files.
  • Downloading malicious files and running them.
  • Modifications of the system’s settings.
  • Modifying the Windows Registry.
  • Private data theft.
  • Including the attacked PC in a botnet and spreading malware to other PCs.
  • Employing a keylogger to capture the user’s credentials.

As reported by the Microsoft security team, Backdoor:Win32/Chaapt.A connects to the following remote hosts: using port 53 and using port 53

A remote host is a computer that is located at a further location. It may refer to a server in a private or public network. It can also refer to a user’s computer found in another location that is used for file transfer or remote control operations.

Once connected to a remote host, Backdoor:Win32/Chaapt.A can:

  • Find an Internet connection.
  • Download other malware pieces.
  • Run updates.
  • Receive instructions from the attackers.
  • Steal and upload information from the PC.
  • Validate a certificate.

Backdoor:Win32/Chaapt.A is also reported to create a mutex. A mutex is a program or a program object that permits numerous program threads (components of processes) to share the same resource. Each time a program is started, a mutex with a unique name is created.

The mutex created by Backdoor:Win32/Chaapt.A is identified as ijjijkljkjjjjj. It can be applied as an infection marker to avert other copies of the Trojan running on the same system.

Backdoor:Win32/Chaapt.A Symptoms

To make sure that the Trojan has entered the system, users can look for the following signs:

→Registry modifications in In subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\Run. Sets value: “NateOn”. With data: “%CurrentFolder%\loaddll.exe”

Backdoor:Win32/Chaapt.A Removal

To rid the system of the malicious threat, users should use a powerful anti-malware program. To stop such infiltrations from happening, some preventive measures can be taken:

  • Don’t forget to get the latest software updates.
  • Be extra careful when browsing and going through your email messages.
  • Look out for social engineering schemes.
  • Don’t use random USB flash drives.
  • Use different and complex passwords for each account you have.
  • Limit user privileges to stop malicious intruders from entering the system.

Spy Hunter scanner will only detect the threat. If you want the threat to be automatically removed, you need to purchase the full version of the anti-malware tool.Find Out More About SpyHunter Anti-Malware Tool / How to Uninstall SpyHunter

1. Start Your PC in Safe Mode to Remove Backdoor:Win32/Chaapt.A
2. Remove Backdoor:Win32/Chaapt.A automatically with Spy Hunter Malware - Removal Tool.

Milena Dimitrova

An inspired writer and content manager who has been with SensorsTechForum for 4 years. Enjoys ‘Mr. Robot’ and fears ‘1984’. Focused on user privacy and malware development, she strongly believes in a world where cybersecurity plays a central role. If common sense makes no sense, she will be there to take notes. Those notes may later turn into articles!

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