Threat Database Trojans Trojan.Filecoder.EJ

Trojan.Filecoder.EJ

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 25,005
Threat Level: 80 % (High)
Infected Computers: 1
First Seen: November 25, 2024
Last Seen: April 25, 2026
OS(es) Affected: Windows

The detection of Trojan.Filecoder.EJ on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, and if left unchecked, can lead to serious consequences, including data loss and unauthorized access to your system.

What Is Trojan.Filecoder.EJ?

Trojan.Filecoder.EJ is a type of Trojan malware that is designed to infect and compromise computer systems. The name "Trojan" refers to the fact that this type of malware disguises itself as a legitimate program or file, allowing it to evade detection and gain access to the system. The ".Filecoder" part of the name suggests that this malware may be capable of encrypting or modifying files on the infected system, although the exact nature and capabilities of Trojan.Filecoder.EJ are not fully understood without additional context.

How Trojan.Filecoder.EJ Operates

Once Trojan.Filecoder.EJ has infected a system, it can operate in a variety of ways, depending on its intended purpose and design. Some common tactics used by Trojan malware include creating backdoors for remote access, stealing sensitive information, and disrupting system operation. Trojan.Filecoder.EJ may also be capable of spreading to other systems or downloading additional malware, further compromising the security of the infected computer and potentially others on the same network.

Symptoms of Infection

The symptoms of a Trojan.Filecoder.EJ infection can vary, but common indicators include unusual system behavior, such as slow performance, unexpected crashes, or unfamiliar programs and files appearing on the system. You may also notice that your antivirus software is disabled or that you are unable to access certain files or folders. In some cases, the presence of Trojan.Filecoder.EJ may not be immediately apparent, making it essential to regularly scan your system for malware and maintain up-to-date security software.

  • Unexplained changes to system settings or files
  • Appearance of unfamiliar or suspicious programs
  • Difficulty accessing certain files or folders
  • System crashes or slow performance

How to Remove Trojan.Filecoder.EJ

  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 identify all components of the Trojan.Filecoder.EJ malware.
  3. Uninstall any suspicious programs or applications that were installed around the time of 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 full scan with your anti-malware tool to ensure that all components of the malware have been removed.

Conclusion

The removal of Trojan.Filecoder.EJ requires careful and thorough action to ensure that all components of the malware are eliminated from the system. By following the steps outlined above and maintaining vigilant security practices, you can help protect your system from future infections and minimize the risk of data loss or unauthorized access. Remember to always use reputable security software and to regularly scan your system for malware to stay safe in the ever-evolving landscape of cyber threats.

Analysis Report

General information

Family Name: Trojan.Filecoder.EJ
Packers: UPX
Signature status: No Signature

Known Samples

MD5: 317f3d1e8102172dbb62b46847122777
SHA1: b12fe73585573b4d5d7c16d4f6b97e6d9ab22039
SHA256: DB3F667B81B11A8BB568ED3EA7BA597F6772CE587E2A1C832999D722F32BED06
File Size: 143.58 KB, 143581 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have relocations information
  • File doesn't have security information
  • File has been packed
  • File has TLS information
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
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  • File is Native application (NOT .NET application)
  • 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
  • packed
  • x86

Block Information

Total Blocks: 274
Potentially Malicious Blocks: 56
Whitelisted Blocks: 193
Unknown Blocks: 25

Visual Map

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

Windows API Usage

Category API
Anti Debug
  • OutputDebugString

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