Threat Database Trojans Trojan.Injector.RFB

Trojan.Injector.RFB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 26,639
Threat Level: 80 % (High)
Infected Computers: 1
First Seen: January 7, 2026
Last Seen: June 16, 2026
OS(es) Affected: Windows

The detection of Trojan.Injector.RFB on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate your computer and perform unauthorized actions, potentially leading to data theft, system damage, or other 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.Injector.RFB?

Trojan.Injector.RFB is a type of Trojan horse malware that can infect your computer through various means, such as exploited vulnerabilities, phishing attacks, or drive-by downloads. Once inside, it can create a backdoor for remote access, allowing attackers to control your system, steal sensitive information, or deploy additional malware. The "Injector" part of the name suggests that it may be capable of injecting malicious code into legitimate processes or files, making it harder to detect and remove.

How Trojan.Injector.RFB Operates

Trojan.Injector.RFB operates by exploiting weaknesses in your system's security, often using social engineering tactics or vulnerabilities in software to gain initial access. Once installed, it can communicate with its command and control servers to receive instructions, download additional malware, or transmit stolen data. It may also attempt to evade detection by hiding its presence, disguising itself as a legitimate program, or using anti-detection techniques.

Symptoms of Infection

Infected systems may exhibit various symptoms, including unusual network activity, slow performance, or unexpected changes to system settings. You may notice unfamiliar programs or icons, suspicious pop-ups or alerts, or unexpected changes to your browser's homepage or search engine. In some cases, the malware may not display any obvious symptoms, making it difficult to detect without proper scanning tools.

  • Unexplained changes to system settings or files
  • Increased network activity or unusual data transmissions
  • Slow system performance or frequent crashes
  • Appearance of unfamiliar programs or icons
  • Suspicious pop-ups, alerts, or warnings

How to Remove Trojan.Injector.RFB

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

Conclusion

Removing Trojan.Injector.RFB requires a combination of technical expertise and caution. By following the steps outlined above and using reputable security tools, you can help ensure the removal of this malware and prevent future infections. It is essential to remain vigilant and maintain good security practices, including keeping your operating system and software up-to-date, using strong passwords, and avoiding suspicious downloads or links. Regularly scanning your system for malware and monitoring your network activity can also help detect and prevent similar threats in the future.

Analysis Report

General information

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

Known Samples

MD5: f72bf32570f1dcf1b716efa8360fa60a
SHA1: 7229022594cdeeb96bf0fe08df3fb632286730af
SHA256: 6083E9E64DC993A698C433FC1701A67F11164B90C1927E0E50C04FDF86B701FD
File Size: 16.38 KB, 16384 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

  • No Version Info
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 51
Potentially Malicious Blocks: 3
Whitelisted Blocks: 48
Unknown Blocks: 0

Visual Map

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

Windows API Usage

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

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