Threat Database Trojans Trojan.MSIL.Krypt.YDJD

Trojan.MSIL.Krypt.YDJD

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 16,287
Threat Level: 80 % (High)
Infected Computers: 8
First Seen: May 7, 2022
Last Seen: January 2, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.MSIL.Krypt.YDJD
Signature status: No Signature

Known Samples

MD5: 67f61cab1e9df474a62e580c472ad583
SHA1: 84d18870bc6c1375fa45824f0be75f159d5424d5
SHA256: 72A149EB52D18D9159FB75DB0857FC412DA3794E25E4344628934AC2F234B35A
File Size: 408.06 KB, 408064 bytes
MD5: 47db685b0de64f6dfffcec07fc67ffe4
SHA1: 57f26e0133e8d05c9d4aeac1eb90076be55e1e2d
SHA256: AAFE02207A7FC61BF3931971901839847E654C0088E0A4C42BD3FB9CC6C5ECD7
File Size: 4.16 MB, 4163584 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 is .NET application
  • File is 32-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is not packed
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  • 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
  • 1.1.3.0
  • 1.0.0.0
Comments StikxX
Company Name
  • Kubota Corp.
  • StikxX
File Description
  • DataMonitor
  • MW3 Mega Unlocker
File Version
  • 1.1.3.0
  • 1.0.0.0
Internal Name
  • DataMonitor.dll
  • MW3 Mega Unlocker.exe
Legal Copyright
  • Copyright (C) Kubota Corp. 2011
  • Copyright © 2011
Original Filename
  • DataMonitor.dll
  • MW3 Mega Unlocker.exe
Product Name
  • Diagmaster 03
  • StikxX
Product Version
  • 1.1.3.0
  • 1.0.0.0

File Traits

  • .NET
  • dll
  • HighEntropy
  • NewLateBinding
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 1,097
Potentially Malicious Blocks: 319
Whitelisted Blocks: 613
Unknown Blocks: 165

Visual Map

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

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.0.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.1.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.2.regtrans-ms Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\windows\appcompat\programs\amcache.hve Read Data,Read Control,Write Data
c:\windows\appcompat\programs\amcache.hve Write Attributes

Registry Modifications

Key::Value Data API Name
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 RegNtPreCreateKey
HKLM\system\software\microsoft\tip\aggregateresults::data RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAdjustPrivilegesToken
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
Show More
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDelayExecution
  • ntdll.dll!NtDeleteValueKey
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtFsControlFile
  • ntdll.dll!NtLoadKeyEx
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenDirectoryObject
  • 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!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThread
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • 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!NtQuerySymbolicLinkObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtTraceEvent
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ReadProcessMemory
Process Shell Execute
  • CreateProcess
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\84d18870bc6c1375fa45824f0be75f159d5424d5_0000408064.,LiQMAxHB
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 872

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