Threat Database Trojans Trojan.HPDefender.GA

Trojan.HPDefender.GA

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 6
First Seen: July 26, 2023
Last Seen: April 15, 2026
OS(es) Affected: Windows

The detection of Trojan.HPDefender.GA on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operational characteristics, symptoms of infection, and a step-by-step guide on how to remove it from your computer.

What Is Trojan.HPDefender.GA?

Trojan.HPDefender.GA is a type of malicious software, commonly referred to as a Trojan, which is designed to infiltrate and compromise computer systems. The name itself does not directly indicate a specific malware family, but rather suggests that it is a Trojan-type threat. Trojans are known for their ability to disguise themselves as legitimate programs, making them difficult to detect without proper security tools.

How Trojan.HPDefender.GA Operates

Trojan.HPDefender.GA, like other Trojans, operates by exploiting vulnerabilities in system security to gain unauthorized access. Once inside, it can perform a variety of malicious activities, including data theft, installation of additional malware, and manipulation of system settings. Trojans often rely on social engineering tactics or exploit weaknesses in software to infect computers. They can be particularly dangerous because they can open backdoors for other malware, lead to ransomware attacks, or turn the infected computer into a botnet node.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely, depending on the specific goals of the malware. Common indicators include unusual system behavior, such as unexpected pop-ups, slow system performance, and unfamiliar programs or toolbars in your web browser. You might also notice that your computer is connecting to the internet without your input, or that files are being modified or deleted without your knowledge. Sometimes, the presence of a Trojan might not be immediately apparent, making regular system scans crucial for early detection.

How to Remove Trojan.HPDefender.GA

  1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This can usually be done by restarting your computer and pressing the appropriate key (often F8) during boot-up to access the Advanced Boot Options.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure your antivirus software is updated to the latest version to improve its chances of detecting and removing the threat.
  3. Uninstall suspicious programs that you do not recognize or that were installed around the time you suspect the infection occurred. Use the Control Panel or Settings app to review installed programs and remove anything that seems out of place.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan. Each browser has its own process for doing this, usually found in the settings or preferences menu.
  5. After completing the above steps, reboot your computer and perform another scan with your anti-malware tool to ensure that the threat has been fully removed. This step is crucial as some malware can only be fully eradicated when the system is restarted.

Conclusion

Removing Trojan.HPDefender.GA requires a systematic approach to ensure that all components of the malware are eliminated from your system. By following the steps outlined above and maintaining vigilance through regular system scans and updates, you can protect your computer from similar threats in the future. Remember, prevention is key; keeping your operating system, software, and security tools up to date, along with practicing safe browsing habits, can significantly reduce the risk of infection.

Analysis Report

General information

Family Name: Trojan.HPDefender.GA
Signature status: No Signature

Known Samples

MD5: b97e44955644f9ee10d620617cb813c4
SHA1: fa8a60df92b05e8c1ca8a69475c6381a19beea03
SHA256: F948C51A830B33F6D0586CD547587E0EB453703B3521A4D9CE7DC3FC82ECA89C
File Size: 583.35 KB, 583349 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have relocations information
  • File doesn't have security information
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • File is not packed
Show More
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
File Description iknew I’d had enough
File Version 35.46.95.1036
Internal Name I hung the gloves up
Legal Copyright century ago
Product Name A quarter of a
Product Version 35.46.95.1036

File Traits

  • x86

Files Modified

File Attributes
c:\users\user\appdata\local\temp\nsaa2b5.tmp\nsprocess.dll Generic Write,Read Attributes
c:\users\user\appdata\local\temp\nska2a4.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete
c:\users\user\appdata\roaming\hwmonitorapp\hwmonitorapp.exe Generic Write,Read Attributes
c:\users\user\appdata\roaming\hwmonitorapp\hwmonitorapp\hwmonitor_x32.exe Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\run::hwmonitorapp "C:\Users\Vqecyxxv\AppData\Roaming\HwmonitorApp\HwmonitorApp.exe" RegNtPreCreateKey
HKCU\software\hwmonitorapp::ynucer eyAgICAgICJ0aW1lb3V0X21pbiIgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgOiAgICAgICAg RegNtPreCreateKey
HKCU\software\hwmonitorapp\components::main 1 RegNtPreCreateKey

Windows API Usage

Category API
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetUserObjectInformation
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ZwMapViewOfSection
Process Shell Execute
  • CreateProcess

Shell Command Execution

"C:\Users\Vqecyxxv\AppData\Roaming\HwmonitorApp\HwmonitorApp.exe" "first_run" "c:\users\user\downloads\fa8a60df92b05e8c1ca8a69475c6381a19beea03_0000583349"
"C:\Users\Vqecyxxv\AppData\Roaming\HwmonitorApp\HwmonitorApp.exe" "write_patch_str_to_reg" "c:\users\user\downloads\fa8a60df92b05e8c1ca8a69475c6381a19beea03_0000583349" "HKCU" "Software\HwmonitorApp" "ynucer"

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