Threat Database Trojans Trojan.MSIL.Immirat.A

Trojan.MSIL.Immirat.A

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 25,396
Threat Level: 80 % (High)
Infected Computers: 5
First Seen: May 2, 2025
Last Seen: May 30, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Immirat.A on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operational methods, symptoms of infection, and most importantly, steps to remove it from your system. It is crucial to approach this situation with caution and follow the recommended removal procedures to ensure your system's security and integrity.

What Is Trojan.MSIL.Immirat.A?

Trojan.MSIL.Immirat.A is identified as a Trojan-type threat. Trojans are malicious programs that disguise themselves as legitimate software to gain unauthorized access to a computer system. They can be used to spy on users, steal sensitive information, disrupt system operation, or provide a backdoor for other malicious activities. The name Trojan.MSIL.Immirat.A itself does not directly indicate a specific malware family but suggests it is a type of Trojan written in MSIL (Microsoft Intermediate Language), which can be executed by the .NET Common Language Runtime (CLR). This implies that the malware is designed to operate within the .NET framework, potentially making it compatible with a wide range of Windows systems.

How Trojan.MSIL.Immirat.A Operates

The operational methods of Trojan.MSIL.Immirat.A, like many Trojans, likely involve exploiting system vulnerabilities or social engineering tactics to infect a computer. Once inside, it may attempt to communicate with its command and control servers to receive instructions, which could range from data theft to installing additional malware. Trojans can also create backdoors, allowing remote access to the infected system. The specifics of how Trojan.MSIL.Immirat.A operates can vary, but the end goal is typically to compromise system security and user privacy for malicious purposes.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unexpected system crashes, slow performance, unfamiliar programs or icons, and unexpected network activity. Users may also notice pop-ups, changed homepage settings, or other signs of adware and spyware activity. Since Trojans can be designed to remain stealthy, some infections may not exhibit noticeable symptoms until significant damage has been done.

How to Remove Trojan.MSIL.Immirat.A

  1. Enter Safe Mode with Networking: Restart your computer and enter Safe Mode. This will limit the malware's ability to interfere with the removal process. Ensure you have an internet connection to download necessary tools.
  2. Full Scan with a Reputable Tool: Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove Trojan.MSIL.Immirat.A and any related malware.
  3. Uninstall Suspicious Programs: Go through your installed programs and remove any that are unfamiliar or were installed around the time of the suspected infection.
  4. Reset Browsers: Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot and Re-scan: After completing the above steps, restart your computer and perform another full scan with your anti-malware tool to ensure all traces of the malware have been removed.

Conclusion

The removal of Trojan.MSIL.Immirat.A requires careful and immediate action to prevent further damage to your system and protect your personal data. By following the steps outlined in this report and maintaining vigilance in your online activities, you can significantly reduce the risk of future infections. Regularly updating your operating system, using reputable antivirus software, and being cautious with emails and downloads are key practices in preventing malware infections. If you are unsure about any part of the removal process, consider seeking help from a professional to ensure your system is thoroughly cleaned and secured.

Analysis Report

General information

Family Name: Trojan.MSIL.Immirat.A
Signature status: No Signature

Known Samples

MD5: 4a662bdf24a1fa682dc640dbc9d2098d
SHA1: d3d3cb90a8b7caf72125ed216354a6b553646f0d
SHA256: 5D0C9652F0C76D889E4F89F491A0458253D1BD0513BD2A6B24D0A1D58CDC0C2A
File Size: 42.50 KB, 42496 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • 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 not packed
  • 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 1.0.0.0
Company Name (주)더존비즈온
File Description Duzon.dCloud.SecureChannel
File Version 1.0.0.0
Internal Name Duzon.dCloud.SecureChannel.dll
Legal Copyright Copyright © 2014
Original Filename Duzon.dCloud.SecureChannel.dll
Product Name Duzon.dCloud.SecureChannel
Product Version 1.0.0.0

File Traits

  • .NET
  • dll
  • x86

Block Information

Total Blocks: 125
Potentially Malicious Blocks: 14
Whitelisted Blocks: 59
Unknown Blocks: 52

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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