Threat Database Trojans Trojan.Agent.LFGA

Trojan.Agent.LFGA

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 19,988
Threat Level: 80 % (High)
Infected Computers: 2
First Seen: August 14, 2025
Last Seen: May 18, 2026
OS(es) Affected: Windows

The detection of Trojan.Agent.LFGA on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with an understanding of the nature of this threat, its operational characteristics, symptoms of infection, and most importantly, a step-by-step guide on how to remove it from your computer.

What Is Trojan.Agent.LFGA?

Trojan.Agent.LFGA is identified as a Trojan-type threat. Trojans are malicious programs that can allow unauthorized access to a computer, leading to a variety of harmful activities. They are often disguised as legitimate software, making them difficult to detect without proper security measures. The name "Trojan.Agent.LFGA" itself does not specify a known malware family but indicates it's a type of Trojan horse malware.

How Trojan.Agent.LFGA Operates

Trojan horses, like Trojan.Agent.LFGA, typically operate by deceiving users into installing them on their systems. Once installed, they can perform a wide range of malicious activities, including but not limited to, stealing sensitive information, downloading additional malware, allowing remote access to the infected computer, and disrupting system performance. The specific operations of Trojan.Agent.LFGA can vary, but its primary goal is to compromise the security and integrity of the infected system.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unexpected changes in system performance, such as slow operation, frequent crashes, or unusual network activity. Additionally, you might notice new programs or icons on your desktop that you did not install, or your web browser might be redirected to unwanted websites. Since Trojans can be designed to operate stealthily, some infections may not exhibit noticeable symptoms until significant damage has been done.

How to Remove Trojan.Agent.LFGA

  1. Boot into Safe Mode with Networking: This will help prevent the malware from loading and make the removal process more effective. To do this, restart your computer and press the key to access your boot menu (this varies by computer manufacturer but is often F8, F12, or Del). Select Safe Mode with Networking.
  2. Conduct a Full Scan with a Reputable Tool: Utilize an anti-malware tool, such as SpyHunter, that is capable of detecting and removing Trojans. Ensure the tool is updated with the latest definitions before running the scan. This step is crucial for identifying and eliminating all components of the malware.
  3. Uninstall Suspicious Programs: Go through your installed programs and remove any that you do not recognize or that were installed around the time your system became infected. This can help eliminate any additional malicious software that may have been installed alongside the Trojan.
  4. Reset Your Web Browsers: Trojans can sometimes modify browser settings or install malicious extensions. Resetting Chrome, Firefox, Edge, or any other browser you use can help remove these changes. The process for resetting browsers varies, so refer to the specific browser's support documentation for instructions.
  5. Reboot and Re-scan: After completing the above steps, reboot your computer in normal mode and run another full scan with your anti-malware tool to ensure that all malware components have been removed. This step is essential for verifying the effectiveness of the removal process.

Conclusion

Removing Trojan.Agent.LFGA requires careful and systematic steps to ensure that all components of the malware are eliminated from your system. By following the guidance outlined in this report, you should be able to successfully remove the threat and restore your system's security and performance. Remember, prevention is key; always be cautious when downloading software, opening email attachments, or clicking on links from unknown sources to minimize the risk of future infections.

Analysis Report

General information

Family Name: Trojan.Agent.LFGA
Signature status: Hash Mismatch

Known Samples

MD5: 55530b918a3e4bce008d90577fa24bc7
SHA1: 30a94fda026d74717f393be7034e95e0e5755baf
SHA256: 4D6274B9FF920844A1F8223A2BDBF6AA80B7F8FCCCBD99217361CB3E946976EB
File Size: 43.30 KB, 43304 bytes

Windows Portable Executable Attributes

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

Windows PE Version Information

Name Value
Comments Free and open source software for video recording and live streaming
Company Name OBS Project
File Description OBS Library D3D11 wrapper
File Version 30.0.0
Internal Name libobs-d3d11
Legal Copyright (C) Lain Bailey
Original Filename libobs-d3d11
Product Name OBS Studio
Product Version 30.0.0

Digital Signatures

Signer Root Status
Digiarty Software, Inc. DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 Hash Mismatch

File Traits

  • dll
  • x86

Block Information

Total Blocks: 87
Potentially Malicious Blocks: 8
Whitelisted Blocks: 78
Unknown Blocks: 1

Visual Map

0 0 0 x ? 0 0 x x x 0 0 0 0 x x 0 0 0 0 0 x x 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 3 1 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Trojan.ShellcodeRunner.Gen.OB

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!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\30a94fda026d74717f393be7034e95e0e5755baf_0000043304.,LiQMAxHB

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