Threat Database Trojans Trojan.Agent.LFB

Trojan.Agent.LFB

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1
First Seen: March 13, 2024
Last Seen: December 23, 2025
OS(es) Affected: Windows

The detection of Trojan.Agent.LFB indicates that your system has been compromised by a potentially malicious threat. This type of threat is generally categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can be used to gain unauthorized access to a system, steal sensitive information, or disrupt normal computer operations. It is essential to understand the nature of this threat and take immediate action to remove it and protect your system.

What Is Trojan.Agent.LFB?

Trojan.Agent.LFB is a type of malware that can infect a computer system without the user's knowledge or consent. The term "Trojan" refers to the method by which this malware operates, often by disguising itself as a legitimate program or file. Once inside the system, it can perform a variety of malicious actions, depending on its design and purpose. Understanding that the name itself does not necessarily imply a specific malware family, but rather indicates it has been identified as a Trojan-type threat, is crucial for approaching its removal and system protection effectively.

How Trojan.Agent.LFB Operates

Trojan.Agent.LFB, like other Trojans, can operate in various ways. It might be designed to create backdoors for remote access, allowing attackers to control the infected system. It could also be used to steal personal data, such as login credentials, credit card numbers, or other sensitive information. Some Trojans are used to spread other types of malware, turning the infected computer into a hub for malicious activities. The specific operations of Trojan.Agent.LFB can vary, but its primary goal is to compromise the security and integrity of the infected system.

Symptoms of Infection

Identifying the symptoms of a Trojan infection can be challenging because they often mimic common computer issues. However, some signs may indicate the presence of Trojan.Agent.LFB or similar malware. These can include unexpected changes to system settings, unusual network activity, slow system performance, frequent crashes, or the appearance of unwanted programs or pop-ups. If you suspect that your system has been infected, it is crucial to act promptly to minimize potential damage.

How to Remove Trojan.Agent.LFB

  1. First, restart your computer in Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process and allow you to download necessary tools.
  2. Next, perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated to the latest version to increase the chances of detecting and removing the malware successfully.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time you noticed the infection symptoms. Be cautious and only remove programs you are certain are not essential to your system's operation.
  4. Reset your web browsers, such as Chrome, Firefox, or Edge, to their default settings. This can help remove any malicious extensions or settings that the malware might have installed.
  5. Finally, reboot your computer and perform another full scan with your anti-malware tool to ensure that the threat has been completely removed. Regularly scanning your system can help detect and remove any future threats.

Conclusion

The detection and removal of Trojan.Agent.LFB require immediate attention to prevent further damage to your system 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. It is also important to adopt preventive measures, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when downloading files or clicking on links from unknown sources. Remember, vigilance and proactive security practices are key to maintaining a safe and secure computing environment.

Analysis Report

General information

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

Known Samples

MD5: 165589586477795b6df1993f25fc9479
SHA1: 2ec766e3978cdf496940dfa3fb43d570273af8c6
SHA256: 12CE65747DFAA444E83ACF7C42634C549247E500E7C5355E344523BA4B08968B
File Size: 350.72 KB, 350720 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have security information
  • File has exports table
  • 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • dll
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 1,551
Potentially Malicious Blocks: 5
Whitelisted Blocks: 1,546
Unknown Blocks: 0

Visual Map

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

Similar Families

  • Agent.LFB

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtQueryAttributesFile
Show More
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\2ec766e3978cdf496940dfa3fb43d570273af8c6_0000350720.,LiQMAxHB

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