Threat Database Trojans Trojan.Kryptik.Gen.LGJ

Trojan.Kryptik.Gen.LGJ

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1
First Seen: October 14, 2026
Last Seen: October 17, 2026

Trojan.Kryptik.Gen.LGJ is a dangerous Trojan horse detection that security researchers have identified as a high-risk threat, carrying a danger rating of 8 out of 10. Like other members of the Kryptik family, this Trojan is designed to infiltrate computers quietly, avoid detection, and carry out harmful operations in the background without the user's knowledge or consent.

What Trojan.Kryptik.Gen.LGJ Does

Once active on a system, Trojan.Kryptik.Gen.LGJ runs silently in the background while performing malicious functions designed to compromise the affected machine. This type of Trojan is capable of giving remote attackers a significant level of control over an infected computer, potentially allowing cybercriminals to execute commands, manipulate files, monitor activity, or deploy additional malicious payloads. The sample analyzed disguises itself with a legitimate-sounding file description and product name, a common tactic used to make the threat appear harmless or to blend in with genuine software. It has also been found to use high-entropy, compiled code, a characteristic often associated with obfuscation techniques meant to hinder analysis and detection by security tools.

How It Usually Gets Onto Computers

Trojan.Kryptik.Gen.LGJ typically spreads through stealth installation methods rather than obvious prompts. Common infection routes include:

  • Exploiting unpatched system vulnerabilities and security flaws
  • Software downloads from malicious or compromised websites
  • Email attachments from untrusted or unknown senders, which may be disguised as executable files, media files, or even image files

Because the Trojan can be packaged inside files that appear to be harmless documents, pictures, or videos, users may unknowingly trigger the infection simply by opening an attachment or downloading content from an untrustworthy source.

Risks for the User

Infection with Trojan.Kryptik.Gen.LGJ poses serious risks. Because this threat can grant attackers remote control over the infected system, users may face unauthorized data theft, installation of additional malware, unauthorized monitoring of activity, or manipulation of system files and settings. The Trojan's design, which avoids typical signs of tampering such as debug information or security certificates, makes it harder for average users and some security tools to notice its presence, increasing the window of time during which damage can occur.

Signs of Infection

Trojans like this one are built to operate covertly, so obvious symptoms are often absent. However, users should watch for warning signs typical of this category of malware, including:

  • Unexplained slowdowns or unusual system behavior
  • Unfamiliar processes running in the background
  • Unexpected network activity or data usage
  • New or unrecognized files appearing on the system
  • Security software being disabled or malfunctioning without explanation

How to Stay Protected

To reduce the risk of infection from Trojan.Kryptik.Gen.LGJ and similar threats, users should keep their operating system and all software fully updated to close known security vulnerabilities. Avoid downloading software from untrusted or unofficial websites, and never open email attachments from unknown or suspicious senders, especially executable files or files with unusual extensions. Maintaining regular backups of important data, using a reputable security solution, and exercising caution when browsing the web are all essential habits that can help keep systems safe from this and other Trojan threats.

Analysis Report

General information

Family Name: Trojan.Kryptik.Gen.LGJ
Signature status: No Signature

Known Samples

MD5: 8ceb771fc0a4da517445e671991e9369
SHA1: 24e128d1c9375ecb0ac1696cc33d89b9da1a286c
SHA256: F93FC7BF5564ED15FAA9F74A8EF920E611CAC09CEC66BAF6794A946C7BD1A845
File Size: 457.73 KB, 457728 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have relocations information
  • File doesn't have security information
  • File has exports table
  • File is 64-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
Show More
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Company Name Terranova
File Description AdvancedBuilder Pro
File Version 0.0.1.10
Internal Name logger.exe
Legal Copyright Copyright (C) 2024-2026 Terranova
Original Filename logger.exe
Product Name AdvancedBuilder Pro
Product Version 0.0.1.10

File Traits

  • HighEntropy
  • x64

Block Information

Total Blocks: 43
Potentially Malicious Blocks: 31
Whitelisted Blocks: 12
Unknown Blocks: 0

Visual Map

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

Similar Families

Windows API Usage

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