Threat Database Trojans Trojan.MSIL.DLLInject.D

Trojan.MSIL.DLLInject.D

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 18,259
Threat Level: 80 % (High)
Infected Computers: 151
First Seen: June 4, 2021
Last Seen: July 31, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.DLLInject.D on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate your computer and perform malicious activities without your knowledge or consent. It is essential to understand the nature of this threat and take prompt action to remove it and prevent further damage.

What Is Trojan.MSIL.DLLInject.D?

Trojan.MSIL.DLLInject.D is a type of Trojan horse malware that infects computers by disguising itself as a legitimate program or file. Once installed, it can allow unauthorized access to your system, steal sensitive information, and disrupt your computer's functionality. The name Trojan.MSIL.DLLInject.D suggests that it is a Trojan-type malware that uses DLL injection techniques to infect systems, but the specifics of its operation and goals can vary.

How Trojan.MSIL.DLLInject.D Operates

Trojan.MSIL.DLLInject.D, like other Trojans, operates by exploiting vulnerabilities in software or tricking users into installing it. Once inside, it can create backdoors for remote access, modify system settings, and install additional malware. It may also engage in activities such as data theft, including login credentials, personal data, and financial information. The malware's ability to inject DLLs (Dynamic Link Libraries) into running processes allows it to hide its presence and evade detection by traditional security software.

Symptoms of Infection

Symptoms of a Trojan.MSIL.DLLInject.D infection can vary but may include unusual system behavior, such as slow performance, frequent crashes, and unfamiliar programs or icons appearing on your desktop. You might also notice changes in your browser settings, unexpected pop-ups, or redirects to suspicious websites. In some cases, the infection may not display obvious symptoms, making it difficult to detect without proper scanning tools.

How to Remove Trojan.MSIL.DLLInject.D

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a clean environment to perform removal steps.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help detect and remove Trojan.MSIL.DLLInject.D and any associated malware.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time the malware was detected.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. Reboot your computer and perform another scan with your anti-malware tool to ensure that all components of the malware have been removed.

Conclusion

Removing Trojan.MSIL.DLLInject.D from your system is crucial to prevent further damage and protect your personal data. By following the steps outlined above and maintaining vigilance with regular system scans and updates, you can help secure your computer against this and other types of malware. It's also important to practice safe computing habits, such as avoiding suspicious downloads and emails, to reduce the risk of future infections. Remember, staying informed and proactive is key to protecting your digital security in today's evolving threat landscape.

Analysis Report

General information

Family Name: Trojan.MSIL.DLLInject.D
Signature status: No Signature

Known Samples

MD5: 620e62ab9f5e254a7119446ec0d316a5
SHA1: 9d2088fa6ffa349590cb95ae78d39340bbd4dc1b
SHA256: 89E6CCA79DBE8D9FBCD8BE04528EFF51683A28A73482F14A588D7DCA681D1928
File Size: 3.78 MB, 3776000 bytes
MD5: 335bca89a885eb2a19159b3f04d8231a
SHA1: 1d39d23b227774e3fe8fac9c42496a59ea741535
SHA256: 6A827F66ED0CB279E433CF32A9477CEC846E7F1012ABCC1047D649E91873DA64
File Size: 3.16 MB, 3156238 bytes
MD5: abb121201036b588db3963cfb02e9926
SHA1: 4264438cb34cc26514c301cd337e085a71fe823a
SHA256: 519E2786C005F935DE9D723285E68D3425DE59ED12DB2917BAD53538909F6471
File Size: 4.65 MB, 4651520 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 Native application (NOT .NET application)
  • 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
  • 1.1.0.0
  • 1.0.0.0
Comments Official FL-Connect installer for runtime setup and deployment
Company Name FL-Connect
File Description
  • FL-Connect Installer
  • Moonlit
File Version
  • 1.1.0.0
  • 1.00
  • 1.0.0.0
Internal Name
  • fl-connect-setup.exe
  • Moonlit.exe
  • TJprojMain
Legal Copyright
  • Copyright © 2025
  • Copyright © 2025 FL-Connect
Legal Trademarks FL-Connect
Original Filename
  • fl-connect-setup.exe
  • Moonlit.exe
  • TJprojMain.exe
Product Name
  • FL-Connect Installer
  • Moonlit
  • Project1
Product Version
  • 1.1.0.0
  • 1.00
  • 1.0.0.0

File Traits

  • .NET
  • HighEntropy
  • Installer Manifest
  • Installer Version
  • WriteProcessMemory
  • x64
  • x86

Block Information

Total Blocks: 1,237
Potentially Malicious Blocks: 9
Whitelisted Blocks: 863
Unknown Blocks: 365

Visual Map

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

Similar Families

  • MSIL.Krypt.BABF

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
Show More
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • 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!NtOpenSemaphore
  • 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!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • 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!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Other Suspicious
  • SetWindowsHookEx
Anti Debug
  • IsDebuggerPresent