PUP.MSIL.DllInject.GDK

The detection of PUP.MSIL.DllInject.GDK on your system indicates the presence of a potentially unwanted program (PUP) that may be causing issues with your computer's performance and security. It's essential to understand the nature of this threat and take immediate action to remove it and prevent further damage.

What Is PUP.MSIL.DllInject.GDK?

PUP.MSIL.DllInject.GDK is a type of malware that is designed to inject malicious code into legitimate system processes, allowing it to evade detection and persist on the infected system. The "PUP" designation indicates that this malware is considered a potentially unwanted program, which means it may not be as overtly malicious as other types of malware, but it can still cause significant problems. The "MSIL" part of the name suggests that the malware is written in Microsoft Intermediate Language, which is a programming language used by the.NET framework.

How PUP.MSIL.DllInject.GDK Operates

PUP.MSIL.DllInject.GDK operates by injecting malicious code into system processes, which allows it to gain control over certain aspects of the system. This can enable the malware to collect sensitive information, display unwanted advertisements, or even install additional malware. The malware may also use various techniques to evade detection, such as code obfuscation or anti-debugging measures. Once installed, PUP.MSIL.DllInject.GDK can be challenging to remove, as it may have already embedded itself deeply into the system.

Symptoms of Infection

Systems infected with PUP.MSIL.DllInject.GDK may exhibit a range of symptoms, including slow system performance, unwanted pop-ups or advertisements, and suspicious system behavior. In some cases, the malware may also cause system crashes or freezes, or even lead to the installation of additional malware. If you suspect that your system has been infected with PUP.MSIL.DllInject.GDK, it's crucial to take immediate action to remove the malware and prevent further damage.

  • Slow system performance
  • Unwanted pop-ups or advertisements
  • Suspicious system behavior
  • System crashes or freezes
  • Installation of additional malware

How to Remove PUP.MSIL.DllInject.GDK

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove the malware.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings.
  5. Reboot your system and perform another full scan to ensure that the malware has been completely removed.

Conclusion

Removing PUP.MSIL.DllInject.GDK from your system requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above and using reputable anti-malware tools, you can help ensure that your system is completely clean and free of malware. Remember to always be cautious when downloading software or clicking on links from unknown sources, as these can often be vectors for malware infection. By staying vigilant and taking proactive steps to protect your system, you can help prevent future malware infections and keep your computer running smoothly and securely.

Analysis Report

General information

Family Name: PUP.MSIL.DllInject.GDK
Signature status: No Signature

Known Samples

MD5: 7d5ce0fd1089214c143273795ebf4239
SHA1: b10fa45376b926fb5755ffab54c9d52ca8e13d4e
SHA256: F6ED4FD5F76B27D39AEB056BDAA9605D1EBF5D73A9DDBF0DFF37E3A77503B3EC
File Size: 11.78 KB, 11776 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have relocations information
  • File doesn't have security information
  • File is .NET application
  • File is 64-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
File Description Loader
File Version 1.0.0.0
Internal Name Loader.exe
Legal Copyright Copyright © 2025
Original Filename Loader.exe
Product Name Loader
Product Version 1.0.0.0

File Traits

  • .NET
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 12
Potentially Malicious Blocks: 1
Whitelisted Blocks: 8
Unknown Blocks: 3

Visual Map

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

Registry Modifications

Key::Value Data API Name
HKLM\software\microsoft\tracing\rasapi32::enablefiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::enableautofiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::enableconsoletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::filetracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::consoletracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::maxfilesize  RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::filedirectory %windir%\tracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::enablefiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::enableautofiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::enableconsoletracing RegNtPreCreateKey
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HKLM\software\microsoft\tracing\rasmancs::filetracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::consoletracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::maxfilesize  RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::filedirectory %windir%\tracing RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcCreatePortSection
  • ntdll.dll!NtAlpcCreateSectionView
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcDeleteSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcQueryInformationMessage
  • ntdll.dll!NtAlpcSendWaitReceivePort
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  • ntdll.dll!NtAlpcSetInformation
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtCreateTimer
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDelayExecution
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtGetCompleteWnfStateSubscription
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • 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!NtOpenThread
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtPowerInformation
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryEvent
  • 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!NtQueryWnfStateData
  • ntdll.dll!NtQueueApcThread
  • ntdll.dll!NtQueueApcThreadEx2
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRemoveIoCompletion
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationObject
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSetTimerEx
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtUnsubscribeWnfStateChange
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory

5 additional items are not displayed above.

User Data Access
  • GetComputerName
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Network Info Queried
  • GetAdaptersAddresses
  • GetNetworkParams
Other Suspicious
  • AdjustTokenPrivileges
Network Winsock2
  • WSASend
  • WSASocket
  • WSAStartup
  • WSAttemptAutodialName
Network Winsock
  • bind
  • closesocket
  • freeaddrinfo
  • getaddrinfo
  • setsockopt
Network Winhttp
  • WinHttpOpen

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