Threat Database Trojans Trojan.Kryptik.NFYB

Trojan.Kryptik.NFYB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 17,382
Threat Level: 80 % (High)
Infected Computers: 5
First Seen: July 10, 2026
Last Seen: September 2, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.Kryptik.NFYB
Signature status: Hash Mismatch

Known Samples

MD5: 57007950791e9e4a09fb09cc0cf6ac15
SHA1: b1f47e7bea3efea9cdb1217ba1ebd2b9e796cb36
SHA256: 1590F5BC877168396A099A8726B2922C2F5FC4116C047719FCA6A315CA33BA2A
File Size: 609.66 KB, 609656 bytes
MD5: d398c2cd0a4be0d079fb5fed41cacb88
SHA1: 187029323f10820a8ab82015ad38f60c0d7a3d6c
SHA256: AC712A69261CB774982A217A3A45E68FE7E9FAE39B3D5C2EE47E9283E57F0308
File Size: 689.45 KB, 689448 bytes
MD5: 1cfb394485f7c4053db741c2489ce0ef
SHA1: 70cc20b89df050eff7d47fa8901dd74888d74ee2
SHA256: 8146BAF3187F8D9458A124F5041843AD5643B69808FAAD550992ACCC75257EA1
File Size: 297.98 KB, 297984 bytes
MD5: c57391593bb9d975cd014089eca9cf38
SHA1: 2dd409f171e9de0eb9c531a63236939a6ec91e21
SHA256: 2C786F7009CC5E1FBA5471A88B23B34DCE6E1578EE9F664EC62BF48227BA384B
File Size: 830.70 KB, 830704 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 security information
  • File has TLS information
  • 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
  • Epic Games, Inc.
  • Microsoft Corporation
  • PERPLEXITY AI, INC.
  • Shark Labs
File Description
  • .NET Host
  • Clownfish Voice Changer Setup
  • Comet Updater (x64)
  • Easy Anti-Cheat Service (EOS)
File Version
  • 147.0.7727.1860
  • 10,0,826,23019 @Commit: 94ea82652cdd4e0f8046b5bd5becbd11461482ca
  • 2.03.0.0
  • 1.4.1.0
Legal Copyright
  • Copyright Epic Games, Inc. All Rights Reserved.
  • Shark Labs
  • © Microsoft Corporation. All rights reserved.
Product Name
  • .NET
  • Clownfish Voice Changer Setup
  • Comet Updater (x64)
  • Easy Anti-Cheat Service (EOS)
Product Version
  • 147.0.7727.1860
  • 10.0.8 @Commit: 94ea82652cdd4e0f8046b5bd5becbd11461482ca
  • 2.03.0.0
  • 1.4.1

Digital Signatures

Signer Root Status
EasyAntiCheat Oy GlobalSign Code Signing Root R45 Hash Mismatch
PERPLEXITY AI, INC. GlobalSign Code Signing Root R45 Hash Mismatch
.NET Microsoft Code Signing PCA 2024 Hash Mismatch

File Traits

  • fptable
  • GetConsoleWindow
  • HighEntropy
  • Installer Version
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 513
Potentially Malicious Blocks: 201
Whitelisted Blocks: 301
Unknown Blocks: 11

Visual Map

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

Similar Families

  • Kryptik.NFYB
  • Trojan.Kryptik.Gen.GOS

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAddAtomEx
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtQueryInformationFile
Show More
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerName
  • GetUserName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent