Threat Database Trojans Trojan.Agent.GJT

Trojan.Agent.GJT

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: July 30, 2025
Last Seen: January 15, 2026
OS(es) Affected: Windows

The detection of Trojan.Agent.GJT on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security of your computer, allowing unauthorized access to your personal data and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.Agent.GJT?

Trojan.Agent.GJT is a type of Trojan horse malware, which is a broad category of threats that disguise themselves as legitimate programs but actually contain malicious code. The name "Trojan.Agent.GJT" suggests that it is a generic detection for a Trojan-type threat, but the specifics of its operation and impact can vary. Trojans are known for their ability to sneak past security defenses, often by masquerading as useful software or attachments in emails.

How Trojan.Agent.GJT Operates

Once installed on a system, Trojan.Agent.GJT can operate in various ways, depending on its intended purpose. Commonly, Trojans are used to create backdoors that allow remote access to the infected computer, enabling the attacker to steal sensitive information, install additional malware, or use the computer as part of a botnet for malicious activities like spamming or Distributed Denial-of-Service (DDoS) attacks. They can also be designed to capture keystrokes, monitor browsing activity, or disrupt system operation.

Symptoms of Infection

The symptoms of a Trojan infection can be subtle and may not always be immediately apparent. However, common signs include unexpected changes in system performance, such as slow operation, frequent crashes, or unusual network activity. You might also notice unfamiliar programs or icons on your desktop, changes in your browser settings, or pop-ups and unwanted ads appearing on your screen. In some cases, the presence of a Trojan might only be discovered during a routine scan with antivirus software.

How to Remove Trojan.Agent.GJT

  1. Enter Safe Mode with Networking: This will help prevent the malware from spreading or interfering with the removal process. Restart your computer and press the key to enter safe mode (this varies by operating system, but commonly it's F8 for Windows or Shift + Restart).
  2. Perform a Full Scan with a Reputable Tool: Use a trusted antivirus or anti-malware tool, such as SpyHunter, to scan your system thoroughly. Ensure your antivirus software is updated to the latest version to increase the chances of detecting and removing the malware.
  3. Uninstall Suspicious Programs: Go through your installed programs and remove any that you don't recognize or that were installed around the time you suspect the infection occurred.
  4. Reset Your Browsers: Resetting browsers like Chrome, Firefox, or Edge to their default settings can help remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot and Re-scan: After completing the above steps, restart your computer and perform another full scan with your antivirus software to ensure that the threat has been fully removed.

Conclusion

Removing Trojan.Agent.GJT requires careful and thorough action to ensure that all components of the malware are eliminated from your system. It's also crucial to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus protection, being cautious with email attachments and downloads, and regularly backing up important data. By understanding the risks associated with Trojan horse malware and taking proactive steps, you can significantly enhance the security and integrity of your computer system.

Analysis Report

General information

Family Name: Trojan.Agent.GJT
Signature status: No Signature

Known Samples

MD5: b1da55ef70e464423010a9294b6df4f6
SHA1: 3831dd6c951f0983b8163867676438d4f3a560d6
SHA256: 701C305021FB6EDBE2689E04A6CFE0C55A3EC006AA7CFB0D49CFBD0EAC3EA40D
File Size: 81.41 KB, 81408 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 resources
  • File doesn't have security information
  • File has TLS information
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
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  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • No Version Info
  • x64

Block Information

Total Blocks: 362
Potentially Malicious Blocks: 225
Whitelisted Blocks: 137
Unknown Blocks: 0

Visual Map

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x x x x x x x x x 0 x x x x x x x 0 0 x x x x x x 0 x x x x x x x x x x x x 0 x x 0 0 0 0 0 0 0 x 0 x x x 0 0 0 0 x 0 x x x x x 0 0 x x x x x 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x x x x x 0 x x x x x x x x 0 0 x x x x x x x x x x x 0 0 0 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x x x x x x x x x x x x x 0 x x x x 0 x x x x 0 x x x x 0 0 0 x x x x 0 0 0 0 0 0 0 0 x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Agent.GJT
  • CobaltStrike.SO

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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