Threat Database Trojans Trojan.MSIL.Agent.XDC

Trojan.MSIL.Agent.XDC

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: February 15, 2025
Last Seen: January 27, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Agent.XDC 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 operation, symptoms, and most importantly, steps to remove it from your computer. It's crucial to address this issue promptly to prevent any further damage or unauthorized access to your personal data.

What Is Trojan.MSIL.Agent.XDC?

Trojan.MSIL.Agent.XDC is identified as a Trojan-type threat, which means it is a malicious program designed to gain unauthorized access to a computer system. The name itself suggests it is written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic intermediate representation of the.NET Framework and.NET Core. Trojans are known for their ability to disguise themselves as legitimate software, making them difficult to detect without proper security tools.

How Trojan.MSIL.Agent.XDC Operates

Like other Trojans, Trojan.MSIL.Agent.XDC operates by exploiting vulnerabilities in the system or deceiving users into installing it. Once installed, it can perform a variety of malicious actions, including but not limited to, stealing sensitive information, installing additional malware, or providing backdoor access to the attackers. The specific operations of Trojan.MSIL.Agent.XDC can vary, but its primary goal is to compromise the security and integrity of the infected system.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unusual system behavior, such as unexpected crashes, slow performance, or unfamiliar programs and icons. Additionally, you might notice increased network activity, unauthorized changes to system settings, or the presence of unwanted toolbars and extensions in your web browsers. It's essential to be vigilant and monitor your system's behavior regularly to catch any potential threats early.

How to Remove Trojan.MSIL.Agent.XDC

  1. Boot your computer in Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process and allow you to download necessary tools.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system. This will help identify and remove all components of the Trojan.
  3. Uninstall suspicious programs that you do not recognize or no longer need. Be cautious during this process, as some legitimate programs might be mistakenly uninstalled.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings. This will remove any malicious extensions or changes made by the Trojan.
  5. After completing the above steps, reboot your computer and perform another scan with your anti-malware tool to ensure that all threats have been removed.

Conclusion

Removing Trojan.MSIL.Agent.XDC requires careful and systematic steps to ensure that all components of the malware are eliminated from your system. It's also crucial to adopt preventive measures, such as keeping your operating system and software up-to-date, using strong antivirus programs, and being cautious when opening email attachments or downloading software from the internet. By following the guidance provided in this report and maintaining good cybersecurity practices, you can protect your system from similar threats in the future and safeguard your personal data.

Analysis Report

General information

Family Name: Trojan.MSIL.Agent.XDC
Signature status: No Signature

Known Samples

MD5: 7f70ef7f7396fbab1bd770fe738a9177
SHA1: ec0544fcd5122fb4933f56eb9b1d06abaa3fa1d5
SHA256: 5F66C208BDE28E760E4B19B2DEECAE8DEA9CCEAB8F4D214ABC5389FEF0E2B792
File Size: 48.64 KB, 48640 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 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 Once.VideoAnalyser.Helpers
File Version 1.0.0.0
Internal Name Once.VideoAnalyser.Helpers.dll
Legal Copyright Copyright © 2019
Original Filename Once.VideoAnalyser.Helpers.dll
Product Name Once.VideoAnalyser.Helpers
Product Version 1.0.0.0

File Traits

  • .NET
  • dll
  • x86

Block Information

Total Blocks: 115
Potentially Malicious Blocks: 29
Whitelisted Blocks: 48
Unknown Blocks: 38

Visual Map

? ? ? ? ? ? ? ? 0 ? ? ? 0 0 0 x x 0 x x x x x x x x x x x x 0 x x x 0 x x x 0 x x x 0 x 0 x 0 0 ? ? ? 0 0 0 0 0 ? 0 0 0 0 0 0 x x ? ? 0 0 0 0 0 0 0 ? x ? 0 0 ? 0 x ? ? ? ? 0 ? 0 0 ? ? ? ? ? ? ? ? ? 0 ? 0 0 0 0 0 0 0 0 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
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  • 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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