Threat Database Trojans Trojan.MSIL.Agent.AG

Trojan.MSIL.Agent.AG

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 119
First Seen: November 16, 2021
Last Seen: February 9, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Agent.AG on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software, commonly known as a Trojan, which can compromise the security and integrity of your computer. 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.Agent.AG?

Trojan.MSIL.Agent.AG is a type of malware that can infiltrate your system without your knowledge or consent. The term "Trojan" refers to a broad category of malicious software that can disguise itself as legitimate programs or files, allowing it to evade detection and gain unauthorized access to your computer. The ".MSIL" part of the name suggests that this malware is written in Microsoft Intermediate Language, which is a platform-agnostic intermediate representation of the .NET Common Intermediate Language.

How Trojan.MSIL.Agent.AG Operates

Once installed, Trojan.MSIL.Agent.AG can operate in various ways, depending on its intended purpose. It may attempt to connect to remote servers to receive instructions or transmit stolen data. This malware can also create backdoors, allowing unauthorized access to your system, or install additional malicious software. Furthermore, it may modify system settings, registry entries, or files to maintain its presence and evade detection.

Symptoms of Infection

The symptoms of a Trojan.MSIL.Agent.AG infection can vary, but common indicators include unusual system behavior, such as slow performance, frequent crashes, or unexpected pop-ups. You may also notice unfamiliar programs or icons on your desktop, or receive alerts from your security software. In some cases, the malware may not exhibit any noticeable symptoms, making it challenging to detect without the aid of security tools.

  • Unexplained changes to system settings or files
  • Increased network activity or unusual traffic
  • Appearance of suspicious programs or tools
  • System crashes or instability

How to Remove Trojan.MSIL.Agent.AG

  1. Boot your computer 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 all instances of 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 add-ons.
  5. Reboot your computer and perform another full scan to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.MSIL.Agent.AG from your system requires careful attention to detail and a thorough approach. By following the steps outlined above, you can help ensure the complete removal of this malicious software and prevent further damage to your computer. It is essential to remain vigilant and take proactive measures to protect your system from future threats, including keeping your operating system and security software up to date, avoiding suspicious downloads, and being cautious when clicking on links or opening email attachments.

Analysis Report

General information

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

Known Samples

MD5: e608fb6e14a699106e9cf1d1f5e4ae91
SHA1: 835630b7128e29052db9b3784cf9d6ca5a8b1206
SHA256: DB44FEAC5462370D1B3B7050806509684ACF3E2FD804C1B2817867C44441DE25
File Size: 87.04 KB, 87040 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 HVNC
File Version 1.0.0.0
Internal Name HVNC.dll
Legal Copyright Copyright © 2023
Original Filename HVNC.dll
Product Name HVNC
Product Version 1.0.0.0

File Traits

  • .NET
  • dll
  • x86

Block Information

Total Blocks: 28
Potentially Malicious Blocks: 7
Whitelisted Blocks: 20
Unknown Blocks: 1

Visual Map

0 0 0 0 0 0 0 0 0 0 0 0 ? x x x x x x x 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!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
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  • ntdll.dll!NtMapViewOfSection
  • 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!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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