Threat Database Trojans Trojan.MSIL.Filecoder.GB

Trojan.MSIL.Filecoder.GB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 22,326
Threat Level: 80 % (High)
Infected Computers: 290
First Seen: October 4, 2021
Last Seen: April 29, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Filecoder.GB indicates a potential threat to your computer's security and integrity. This detection name suggests a type of malicious software that could be causing harm to your system. It is essential to understand the nature of this threat and take immediate action to remove it and prevent further damage.

What Is Trojan.MSIL.Filecoder.GB?

Trojan.MSIL.Filecoder.GB appears to be a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate. The term "Trojan" refers to the method of infection, where the malware is often embedded within or disguised as a harmless program. The ".MSIL" part of the name may indicate that the malware is written in Microsoft Intermediate Language, which is a programming language used by the .NET Framework. The ".Filecoder" part suggests that the malware might have capabilities related to file encryption or modification, which is a common trait among certain types of malware. The ".GB" suffix could imply a specific variant or geographical association, but without more information, it's difficult to determine its exact significance.

How Trojan.MSIL.Filecoder.GB Operates

Malware like Trojan.MSIL.Filecoder.GB typically operates by exploiting vulnerabilities in software or human behavior to gain unauthorized access to a computer system. Once inside, it can perform a variety of malicious actions, including but not limited to, stealing sensitive information, modifying files, installing additional malware, or even using the infected computer as part of a larger network of compromised machines. The exact operational details of Trojan.MSIL.Filecoder.GB are not specified, but it's crucial to address the infection promptly to mitigate potential damage.

Symptoms of Infection

Symptoms of a Trojan.MSIL.Filecoder.GB infection can vary widely, depending on the malware's specific goals and how it is designed to operate. Common indicators of a malware infection include unexpected changes to files, slow system performance, appearance of unusual programs or icons, unexpected network activity, or receiving ransom demands. However, some malware is designed to operate stealthily, making it difficult to detect without the aid of security software.

How to Remove Trojan.MSIL.Filecoder.GB

  1. Boot your computer 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 you noticed the infection. Be cautious and only remove programs you are certain are malicious or unnecessary.
  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 might have altered.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that the malware has been completely removed. Repeat this process until no more threats are detected.

Conclusion

Removing Trojan.MSIL.Filecoder.GB requires careful and systematic steps to ensure the malware is completely eradicated from your system. It's also crucial to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus software, avoiding suspicious downloads, and being cautious with email attachments and links. By understanding the nature of the threat and taking proactive steps, you can protect your computer and sensitive information from harm.

Analysis Report

General information

Family Name: Trojan.MSIL.Filecoder.GB
Signature status: No Signature

Known Samples

MD5: ea1c72c3a99be3f0e496bcac72cff8c7
SHA1: d0669dffe8c83bb6df01442f19b33429fb20bb2e
SHA256: C4137D48B0E80CEBFEE5FA0042EA972A0E41CCFD193A15282CF72A04063BD0DD
File Size: 58.88 KB, 58880 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • 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 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 1.0.0.0
File Description GRI
File Version 1.0.0.0
Internal Name GRI.exe
Legal Copyright Copyright © 2023
Original Filename GRI.exe
Product Name GRI
Product Version 1.0.0.0

File Traits

  • .NET
  • x64

Block Information

Total Blocks: 95
Potentially Malicious Blocks: 4
Whitelisted Blocks: 41
Unknown Blocks: 50

Visual Map

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? ? ? ? ? ? ? ? x ? ? 0 ? 0 0 0 0 0 0 0 0 ? 0 x 0 0 0 0 x ? ? ? ? ? ? ? ? ? ? ? ? 0 x ? ? ? 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!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
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  • ntdll.dll!NtDeviceIoControlFile
  • 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!NtOpenSection
  • 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!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider

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