Threat Database Trojans Trojan.Injector.FSF

Trojan.Injector.FSF

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 4,812
Threat Level: 80 % (High)
Infected Computers: 35
First Seen: February 22, 2026
Last Seen: July 19, 2026
OS(es) Affected: Windows

The detection of Trojan.Injector.FSF on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate and compromise your computer, potentially leading to unauthorized access, data theft, and other malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and protect your system.

What Is Trojan.Injector.FSF?

Trojan.Injector.FSF is a type of Trojan horse malware that can inject malicious code into your system, allowing attackers to gain unauthorized access and control. The name "Trojan.Injector.FSF" suggests that it is a type of malware that uses injection techniques to compromise your system, but the exact nature and behavior of this specific threat are not well-documented. It is crucial to approach this threat with caution and take general precautions to prevent further damage.

How Trojan.Injector.FSF Operates

Trojan horses like Trojan.Injector.FSF typically operate by disguising themselves as legitimate programs or files, allowing them to evade detection and gain access to your system. Once inside, they can inject malicious code, create backdoors, and communicate with command and control servers to receive instructions from attackers. This can lead to a range of malicious activities, including data theft, keystroke logging, and unauthorized access to your system and sensitive information.

Symptoms of Infection

Identifying the symptoms of a Trojan.Injector.FSF infection can be challenging, as they often masquerade as legitimate system activity. However, some common indicators of a potential infection include unusual system behavior, slow performance, and unexpected pop-ups or alerts. You may also notice that your system is connecting to unfamiliar servers or transmitting data to unknown locations. If you suspect that your system has been compromised, it is essential to take immediate action to contain and remove the threat.

How to Remove Trojan.Injector.FSF

  1. Restart your system in Safe Mode with Networking to prevent the malware from loading and to allow for a more effective removal process.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious files or programs.
  3. Uninstall any suspicious programs or applications that may be related to the Trojan.Injector.FSF infection.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your system and perform another full scan with your anti-malware tool to ensure that the threat has been completely removed.

Conclusion

Removing Trojan.Injector.FSF from your system requires a combination of caution, patience, and the right tools. By following the steps outlined above and taking a proactive approach to system security, you can help protect your system and sensitive information from this and other types of malware. Remember to always be vigilant when downloading files or clicking on links, and to keep your anti-malware software up-to-date to prevent future infections. If you are unsure about any aspect of the removal process, consider seeking guidance from a qualified security professional to ensure the complete and safe removal of the threat.

Analysis Report

General information

Family Name: Trojan.Injector.FSF
Signature status: No Signature

Known Samples

MD5: d4f9e03d74f2e5757cfddff79b88254e
SHA1: dfaf2bd4822d99c4382ab32f590ff7ce54efa2e7
SHA256: 97C6DF5C4E8C66B0E7CF857727543C584625D4E0042F07182DE2C5846F305CD2
File Size: 2.74 MB, 2737152 bytes
MD5: 43a2626390a7c751304d004a95d817c6
SHA1: 1bf4da36b6e6fad8873aa1eeb381e11024729ce5
SHA256: 209DCD1C96811199CCD959F3EAE6AD8A575FFF409F2D3082A220B68084B29E30
File Size: 2.46 MB, 2456576 bytes
MD5: 96d6f834cca7ed4ffb3c76efc5b23cef
SHA1: 54468ad7bc7fa61349890f679a9817c809a13645
SHA256: 9DAC1212068E57D1CC5A0D7A9FBF7F5D9EFC06BE3E9D065AF0FB7305F6CB427F
File Size: 1.78 MB, 1775104 bytes

Windows Portable Executable Attributes

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

File Traits

  • 2+ executable sections
  • GetConsoleWindow
  • HighEntropy
  • imgui
  • No Version Info
  • x64

Block Information

Total Blocks: 3,449
Potentially Malicious Blocks: 540
Whitelisted Blocks: 2,904
Unknown Blocks: 5

Visual Map

0 x x 0 x x x 0 x x 0 x x x 0 x x 0 x x x x x x x 0 x x 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 x x x 0 x x 0 x x x 0 x x x x x x 0 x 0 x x x x x x x x x x 0 x x 0 0 0 x x x x x 0 0 x x x x x x 0 0 x x x 0 0 x 0 0 1 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 0 x 0 0 0 0 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 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 x 0 0 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 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 0 x x 0 x x x 0 x x x x x x x x x x x x x x x x 0 x x x x 0 0 0 0 0 x x 0 0 x 0 0 0 0 1 0 0 0 1 0 0 0 0 x 0 0 x 0 0 0 0 0 0 x x x x 0 0 0 x 0 x x 0 0 0 x x 0 x 0 0 0 0 1 0 0 0 x x x x 0 0 0 0 0 x x 0 0 0 0 0 0 0 0 0 x 0 0 0 0 1 0 0 x x x x x x x x x x x x x 0 0 x 0 x 0 x x 0 x x 0 x x x x x x x 0 x x x 0 0 x x x x 0 0 x 0 0 x x x 0 x x x 0 x 0 0 0 0 0 0 0 0 x x 0 x 0 0 x x 0 0 x 0 x 0 x 0 0 0 0 0 0 0 0 0 0 0 x 0 0 x x x 0 x x x x x x x x x 0 x 0 x x x x x x x x x x x x 0 0 x x x x 0 x x x 0 x x x x x x 0 x x x x 0 x x x x x x 0 x x x x 0 x 0 0 x x x x 0 0 x 0 x x x 0 x 0 x x 0 x x x x x x 0 0 0 0 0 0 0 0 0 x x x x 0 0 0 0 0 0 0 0 0 x 0 x 0 0 0 x 0 0 0 0 0 0 x x 0 x x x 0 0 x x 0 0 0 0 0 0 x 0 0 x x x ? 0 0 0 0 0 0 0 x x x 0 x x x x x x x x x x 0 0 x ? x ? x ? x x x x x x 0 x 0 0 0 x x x x x x 0 0 x x x 0 x x x x x x 0 x 0 x x x x x 0 x x x 0 x x x 0 x 0 x x 0 x 0 0 0 0 0 x x x x x 0 x 0 x x 0 x x x x 0 x x x x x 0 0 0 x x 0 0 x x 0 x 0 0 0 x x x x x x x 0 x x x x x 0 x x x x x x 0 x x x x 0 x 0 x x x x 0 x x 0 x 0 x x x 0 0 x 0 x ? 0 x x x x x x x 0 x x x x 0 x 0 x x 0 x 0 x x 0 x 0 x 0 0 0 0 0 1 0 0 0 0 0 0 x x x x x 0 0 0 0 0 x x 0 x x 0 x 0 0 0 0 0 0 0 x x 0 x 0 0 0 x 1 0 0 0 0 0 x x 0 x 0 0 1 0 x 0 x 0 0 0 0 x 0 x 0 x 0 0 x x 0 x x 0 x 0 x x 0 0 x x x 0 x 0 x x 0 0 x 0 x x x 0 x x x x 0 0 x x x x 0 x x 0 x 0 x x x x x x x 0 0 x 0 x x 0 0 0 0 0 0 0 0 0 0 0 x x x x x x x x 0 0 x x x x x 0 0 x x 0 x x x x x 0 x x x x x x x x x x x 0 0 x x x x 0 x x x x x 0 x x x 0 x 0 x 0 0 x x x x x x x 0 x x x x x 0 x 0 0 x 0 x 0 x x x x x x x x 0 x x x x x x x 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 x 1 0 x 0 0 0 0 0 0 x 0 x x 0 x x 0 0 0 0 0 0 x 0 0 0 x 0 0 0 x 0 x x 0 0 0 0 0 0 x 1 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 0 1 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 1 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 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 1 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 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 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 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 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 0 0 0 0 1 0 0 0 0 1 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 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 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 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 1
... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Gamehack.UDC
  • Injector.FSF
  • TelegramHack.PD

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAddAtomEx
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
Show More
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWriteFile
  • UNKNOWN

Trending

Most Viewed

Loading...