Threat Database Trojans Trojan.MSIL.Runner.D

Trojan.MSIL.Runner.D

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 2,208
Threat Level: 80 % (High)
Infected Computers: 359
First Seen: January 12, 2026
Last Seen: July 20, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Runner.D on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software, but without more specific information, it's crucial to understand the general nature of such threats and how to address them. Trojans are a class of malware that can cause significant harm by allowing unauthorized access to your computer, stealing data, or installing additional malicious software.

What Is Trojan.MSIL.Runner.D?

Trojan.MSIL.Runner.D, as indicated by its name, is likely a form of Trojan horse malware. Trojans are malicious programs that disguise themselves as legitimate software but actually allow an attacker to access your computer system, often without your knowledge. The ".MSIL" part of the name might refer to the Microsoft Intermediate Language, suggesting that the malware is designed to operate on Windows systems by utilizing the .NET framework. However, the specifics of how it operates and its exact capabilities can vary widely.

How Trojan.MSIL.Runner.D Operates

Generally, Trojans like Trojan.MSIL.Runner.D can operate in various ways, depending on their design. They might be distributed through email attachments, downloaded from malicious websites, or installed through exploited vulnerabilities in software. Once installed, a Trojan can create a backdoor on your computer, allowing hackers to access your system remotely. This access can be used to steal sensitive information, install more malware, or use your computer as part of a botnet for malicious activities.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. However, common signs include unusual computer behavior such as slow performance, frequent crashes, or unfamiliar programs and icons. You might also notice unexpected network activity, changes to your system settings, or the presence of unwanted toolbars and extensions in your web browser. In some cases, the infection might not display any noticeable symptoms at all, making regular system scans crucial for detection.

How to Remove Trojan.MSIL.Runner.D

  1. Boot your computer into Safe Mode with Networking. This will help prevent the malware from loading and give you a cleaner environment to work in.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the malware.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only remove programs you are sure are not needed.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings. This can help remove any malicious extensions or settings changes made by the malware.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.MSIL.Runner.D requires careful and methodical steps to ensure that all components of the malware are eliminated from your system. It's also essential to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious when opening email attachments or downloading software from the internet. By understanding the nature of Trojan threats and taking proactive steps, you can significantly reduce the risk of infection and protect your digital security.

Analysis Report

General information

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

Known Samples

MD5: 95304ff6e1c3052999b9a63ad6a8cefc
SHA1: e41aac8732a9c9219c28d2924ac967bdc1cce251
SHA256: 78DD5100D39C03E01F0C1112F15831B1A17DD325B360E8CA0129673EB4223D78
File Size: 33.28 KB, 33280 bytes
MD5: fa6771ebe3f3c3a5204690e7d7a1f49f
SHA1: c22f89920819173bd8baa6fb4190a9bbb6714a0f
SHA256: 95FF627B233B164D3C7A26354A722476D11F6A2C50A25955BEC073CBFFE231AA
File Size: 33.28 KB, 33280 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 64-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • 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)

Windows PE Version Information

Name Value
Assembly Version
  • 5.8.3.0
  • 5.7.0.0
Comments Manages BCU's pre-defined rules and scripts.
Company Name Marcin Szeniak
File Description ScriptHelper
File Version
  • 5.8.3.0
  • 5.7.0.0
Internal Name ScriptHelper.dll
Legal Copyright Copyright © 2023
Original Filename ScriptHelper.dll
Product Name ScriptHelper
Product Version
  • 5.8.3.0
  • 5.7.0.0

File Traits

  • .NET
  • x64

Block Information

Total Blocks: 56
Potentially Malicious Blocks: 27
Whitelisted Blocks: 29
Unknown Blocks: 0

Visual Map

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

Similar Families

  • MSIL.FakeHack.AQ
  • MSIL.FakeHack.PK
  • MSIL.FakeHack.PL

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
Show More
  • 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!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!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • 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!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation

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