Threat Database Trojans Trojan.Agent.TRFA

Trojan.Agent.TRFA

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 13
First Seen: August 12, 2024
Last Seen: December 4, 2025
OS(es) Affected: Windows

The detection of Trojan.Agent.TRFA indicates that your system has been compromised by a type of malicious software known as a Trojan. This type of threat is designed to deceive users into installing it, often by disguising itself as a legitimate program or by exploiting vulnerabilities in the system. The presence of Trojan.Agent.TRFA on your computer poses a significant risk to your personal data and system security, making it essential to understand the nature of this threat and take immediate action to remove it.

What Is Trojan.Agent.TRFA?

Trojan.Agent.TRFA is identified as a Trojan-type threat, which means it operates by infiltrating a system under the guise of a legitimate program or by exploiting system vulnerabilities. Unlike viruses, Trojans do not replicate themselves but can cause significant harm by creating backdoors for remote access, stealing sensitive information, or installing additional malware. The term "Agent" in its name might suggest that it is designed to act on behalf of its creators, potentially to spy on the user, steal data, or disrupt system operation.

How Trojan.Agent.TRFA Operates

Once installed, Trojan.Agent.TRFA can operate in various malicious ways. It might allow unauthorized access to your system, enabling hackers to control your computer remotely, steal sensitive information such as passwords, credit card numbers, or personal data, or use your system as part of a botnet for malicious activities like spamming or DDoS attacks. It could also install additional malware or unwanted software, leading to further system compromise and performance issues.

Symptoms of Infection

Identifying a Trojan infection can be challenging due to its stealthy nature. However, some common symptoms may include unusual system behavior such as slow performance, frequent crashes, or the appearance of unwanted programs or toolbars in your web browser. You might also notice that your antivirus software is disabled or that certain system settings have been altered without your knowledge. In some cases, the presence of a Trojan might not be immediately apparent, making regular system scans crucial for detection.

How to Remove Trojan.Agent.TRFA

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access to download removal tools.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full system scan to detect and remove all instances of Trojan.Agent.TRFA and other potential threats.
  3. Uninstall any recently installed programs that you do not recognize or that were installed around the time your system was compromised.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings that the Trojan might have altered.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all traces of the Trojan have been removed.

Conclusion

The removal of Trojan.Agent.TRFA requires immediate and careful action to prevent further system compromise and protect your personal data. By understanding the nature of this threat and following the steps outlined for its removal, you can significantly reduce the risk associated with this malware. Remember, prevention is key; keeping your operating system, software, and antivirus up to date, along with practicing safe computing habits, is crucial in avoiding such infections in the future.

Analysis Report

General information

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

Known Samples

MD5: 5a37ac826a2d9789be6aa727494f5bd3
SHA1: 378f1246295b3b19fca79b654d14f2ab75a23ce0
SHA256: 821BAD6EBF683C8948AF31AF1547D23F3B7CA15E48DA763ABAD4809122F5A3AC
File Size: 20.48 KB, 20480 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File is 64-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is Native application (NOT .NET application)
  • 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

  • GetConsoleWindow
  • No Version Info
  • x64

Block Information

Total Blocks: 66
Potentially Malicious Blocks: 1
Whitelisted Blocks: 63
Unknown Blocks: 2

Visual Map

0 0 0 0 0 0 0 0 0 ? ? 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtProtectVirtualMemory
Show More
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState
  • win32u.dll!NtUserShowWindow

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