Threat Database Trojans Trojan.Kryptik.FRZB

Trojan.Kryptik.FRZB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 15,318
Threat Level: 80 % (High)
Infected Computers: 6
First Seen: April 9, 2026
Last Seen: May 2, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.Kryptik.FRZB
Signature status: No Signature

Known Samples

MD5: beb167453b4d5ff82ecad6779c4aaf03
SHA1: 4a2516d17c1a2f9bc9f32686ecf0bffdc982d95f
SHA256: 19436D2D2D68EB4AA129D6878834E05EA939A13C09D83FE5ED3460C03BA85CEC
File Size: 2.70 MB, 2695680 bytes
MD5: a5c46adf3642d59beb09475db3e4d4e7
SHA1: b98316e2040c41a5cb9b07f71294233b1f34355b
SHA256: 620E9516DC450C59975CA08FEDFA584AE370B2CFAE3C1B808586721EB0BCA276
File Size: 2.70 MB, 2695680 bytes
MD5: 367df8634cf321d994321a907916dc41
SHA1: c0200bb3f526b6e89d5aa34081b67486413a7d43
SHA256: C8BA0EFC0E2E114B07162B1001A98C8A01B0779336F1DA34F0798512360A0203
File Size: 2.10 MB, 2100224 bytes
MD5: 1f7aa3a0425d198ff16df8e903d56aac
SHA1: cc514536ad84fca256cb1e5f7255f18a6809e6d0
SHA256: EA28B85E97FDFE77335E8625586212F0DF64CEEE15C8290D17B75E6096694D81
File Size: 2.70 MB, 2696704 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 exports table
  • 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)
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  • 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)

Windows PE Version Information

Name Value
Company Name Microsoft Corporation
File Description
  • COM Surrogate
  • Host Process for Windows Services
  • Paint
File Version 10.0.22621.1 (WinBuild.160101.0800)
Internal Name
  • dllhost.exe
  • MSPAINT
  • svchost.exe
Legal Copyright © Microsoft Corporation. All rights reserved.
Original Filename
  • dllhost.exe
  • MSPAINT.EXE
  • svchost.exe
Product Name MicrosoftВ® WindowsВ® Operating System
Product Version 10.0.22621.1

File Traits

  • dll
  • HighEntropy
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 110
Potentially Malicious Blocks: 14
Whitelisted Blocks: 94
Unknown Blocks: 2

Visual Map

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

Similar Families

  • BadJoke.GS
  • Dropper.FY
  • Kryptik.FRZ
  • Kryptik.FRZB
  • Kryptik.FRZC
Show More
  • Kryptik.FRZD
  • Kryptik.FRZG
  • Kryptik.FRZH
  • Kryptik.FRZI
  • Kryptik.FRZJ
  • Kryptik.FRZL
  • Trojan.Agent.Gen.CJS
  • Trojan.Kryptik.Gen.EEY

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
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  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetUserName
Network Info Queried
  • GetAdaptersInfo

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