Threat Database Trojans Trojan.MSIL.Krypt.ZXR

Trojan.MSIL.Krypt.ZXR

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 7,202
Threat Level: 80 % (High)
Infected Computers: 41
First Seen: April 4, 2024
Last Seen: October 7, 2025
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.MSIL.Krypt.ZXR
Signature status: Hash Mismatch

Known Samples

MD5: 0e447433f23402a838de4a3c045e86cc
SHA1: 55df49d97248dbc34d824b77b060983e5cbe8f4a
File Size: 6.53 MB, 6534656 bytes
MD5: 4032242237e797b63a6f9f7d624c0204
SHA1: 81b59a18ca21db883d42897e9269a6ad42dc2487
File Size: 496.03 KB, 496032 bytes
MD5: cd9c31d1dadc30f20e9686653a8cb8f4
SHA1: ee6b71fb3f0fc0d3b3ea9aa90a6c9f9a67498630
SHA256: 9A19308457DE32925A774AFB24C4D6C18C09BD080040B7FD62FCCE728C504DD8
File Size: 783.13 KB, 783128 bytes
MD5: fb163d25cb191954c9324d0f2af6a28a
SHA1: afd5449dd517f2de381afeff64c2ab7760f33696
SHA256: 511D457543D9B74DC6C806D1F5D5230AE8FED66D63DBCFF7624BB70B3A11600C
File Size: 526.10 KB, 526104 bytes
MD5: 4a4bf145df5e7e7cfa629bcdbd7654c7
SHA1: fcfb36803f96517e0aae83274053422e3922ea37
SHA256: FE6EE10E553B6079693207B0865FBE228028D7B84FCC6D0DBC90AE786CAE6CCE
File Size: 429.57 KB, 429568 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 is .NET application
  • File is 32-bit executable
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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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)

File Icons

Windows PE Version Information

Name Value
Assembly Version
  • 135.0.7049.85
  • 9.68.25.24
  • 6.2.19041.5794
  • 1.0.0.0
Comments %NameExe%
Company Name
  • Google LLC
  • Microsoft Corporation
  • Valve Corporation
File Description
  • Dropper
  • Google Chrome
  • Microsoft Windows Search Protocol Host
  • Steam
  • Usermode Font Driver Host
File Version
  • 135.0.7049.85
  • 9.68.25.24
  • 6.2.19041.5794
  • 1.0.0.0
Internal Name
  • chrome_exe
  • Dropper.exe
  • fontdrvhost.exe
  • Microsoft Windows Search Protocol Host
  • steam.exe
Legal Copyright
  • Copyright (C) 2021 Valve Corporation
  • Copyright 2025 Google LLC. All rights reserved.
  • Copyright © 2024
  • © Microsoft Corporation. All rights reserved.
Original Filename
  • chrome_exe
  • Dropper.exe
  • fontdrvhost.exe
  • Microsoft Windows Search Protocol Host
  • steam.exe
Product Name
  • Dropper
  • Google Chrome
  • Microsoft Windows Search Protocol Host
  • Microsoft® Windows® Operating System
  • Steam
Product Version
  • 135.0.7049.85
  • 9.68.25.24
  • 6.2.19041.5794
  • 1.0.0.0

Digital Signatures

Signer Root Status
Mozilla Corporation DigiCert Assured ID Root CA Hash Mismatch
Google LLC DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 Hash Mismatch

File Traits

  • .NET
  • HighEntropy
  • x64
  • x86

Block Information

Total Blocks: 291
Potentially Malicious Blocks: 119
Whitelisted Blocks: 3
Unknown Blocks: 169

Visual Map

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

Similar Families

  • MSIL.Krypt.ZXR

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
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  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent

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