Threat Database Trojans Trojan.MSIL.Agent.GJ

Trojan.MSIL.Agent.GJ

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 4
First Seen: October 15, 2022
Last Seen: March 7, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Agent.GJ 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 characteristics, and the steps you can take to remove it from your system.

What Is Trojan.MSIL.Agent.GJ?

Trojan.MSIL.Agent.GJ is a type of malware that can compromise the security and integrity of your system. The name "Trojan" refers to a broad category of malware that disguises itself as legitimate software, allowing it to bypass security measures and gain unauthorized access to a system. The "MSIL" part of the name suggests that this malware is written in Microsoft Intermediate Language, which is a platform-agnostic language used by the.NET Framework. The "Agent.GJ" part is a specific identifier for this threat, but without more context, it does not provide detailed information about its capabilities or origins.

How Trojan.MSIL.Agent.GJ Operates

Malware like Trojan.MSIL.Agent.GJ typically operates by exploiting vulnerabilities in software or manipulating 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 unauthorized access to the system. The exact operations of Trojan.MSIL.Agent.GJ can vary, but its primary goal is to compromise the system's security for malicious purposes.

Symptoms of Infection

The symptoms of a Trojan.MSIL.Agent.GJ infection can be subtle and may not always be immediately apparent. Common indicators of a malware infection include unexpected changes in system behavior, such as slow performance, frequent crashes, or the appearance of unwanted programs or toolbars. Additionally, you might notice that your browser settings have been altered, or you are being redirected to unwanted websites. In some cases, the malware may operate silently, making it difficult to detect without the aid of security software.

How to Remove Trojan.MSIL.Agent.GJ

  1. Boot your system into Safe Mode with Networking. This will help prevent the malware from loading and make it easier to remove.
  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 uninstall programs that you are certain are not needed.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings that the malware may have installed.
  5. After completing the above steps, reboot your system and perform another full scan with your anti-malware tool to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.MSIL.Agent.GJ requires a methodical approach to ensure that all components of the malware are eliminated from your system. By following the steps outlined in this report and maintaining vigilance through regular system scans and updates, you can significantly reduce the risk of future malware infections. Remember, prevention is key, and using reputable security software, avoiding suspicious downloads, and keeping your operating system and software up to date are crucial steps in protecting your system from threats like Trojan.MSIL.Agent.GJ.

Analysis Report

General information

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

Known Samples

MD5: e366e868694f99accebf8426a46c5e05
SHA1: 85ec8e5f2173eabc13ac08d4d7062695c13e8ffa
SHA256: 8AFA055E38E5528B15C195D158B8F34042457373A1A54154F2BDCE73FCA6F27E
File Size: 5.12 KB, 5120 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 either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • 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 0.0.0.0
Company Name Microsoft Corporation
File Description Antimalware service executable
File Version 0.0.0.0
Internal Name defender.exe
Legal Copyright Copyright © 2017
Original Filename defender.exe
Product Name Antimalware service executable
Product Version 0.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 3
Potentially Malicious Blocks: 2
Whitelisted Blocks: 0
Unknown Blocks: 1

Visual Map

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

Similar Families

  • MSIL.Agent.GJ

Windows API Usage

Category API
Syscall Use
  • 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!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
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  • 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!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!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!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserObjectInformation

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