Threat Database Trojans Trojan.MSIL.DarkVigil.A

Trojan.MSIL.DarkVigil.A

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 20,667
Threat Level: 80 % (High)
Infected Computers: 2
First Seen: April 13, 2026
Last Seen: May 21, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.DarkVigil.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 mechanisms, symptoms of infection, and most importantly, a step-by-step guide on how to remove it from your computer.

What Is Trojan.MSIL.DarkVigil.A?

Trojan.MSIL.DarkVigil.A is identified as a Trojan-type threat. Trojans are malicious programs that can cause harm to your computer system by allowing unauthorized access, stealing data, or disrupting system operations. The name Trojan.MSIL.DarkVigil.A itself suggests it is a type of malware designed to infiltrate your system without your knowledge or consent.

How Trojan.MSIL.DarkVigil.A Operates

Trojan.MSIL.DarkVigil.A, like other Trojans, operates by disguising itself as legitimate software. Once installed on your system, it can perform a variety of malicious activities. These can include data theft, where it steals sensitive information such as passwords, credit card numbers, or personal data. It may also allow hackers to access your system remotely, enabling them to control your computer, spread malware, or use your system for malicious activities like spamming or launching attacks on other computers.

Symptoms of Infection

Identifying a Trojan infection can be challenging because these malware types are designed to operate stealthily. However, there are several symptoms that might indicate your system is infected with Trojan.MSIL.DarkVigil.A or similar malware. These include unexpected changes to your system settings, unfamiliar programs or icons, slow system performance, frequent crashes, or unusual network activity. If you notice any of these symptoms, it's crucial to take immediate action to secure your system and protect your data.

How to Remove Trojan.MSIL.DarkVigil.A

  1. Boot into Safe Mode with Networking: This will allow you to use the internet to download removal tools while limiting the malware's ability to operate. To do this, restart your computer and press the key to access the boot menu (this key varies by manufacturer but is often F12, F2, or Del). Select the option to boot into Safe Mode with Networking.
  2. Perform a Full Scan with a Reputable Tool: Utilize a reputable anti-malware tool, such as SpyHunter, to scan your system for the Trojan.MSIL.DarkVigil.A and other potential threats. Ensure your anti-malware software is updated before running the scan to maximize its effectiveness.
  3. Uninstall Suspicious Programs: Go through your list of installed programs and uninstall any that you don't recognize or that were installed around the time you suspect the infection occurred.
  4. Reset Your Browsers: Malware often infects web browsers, changing settings or installing harmful extensions. Resetting browsers like Chrome, Firefox, or Edge to their default settings can help remove these changes. Be aware that this will remove all extensions, bookmarks, and settings, so you may want to export your bookmarks first.
  5. Reboot and Re-scan: After completing the above steps, reboot your computer to ensure all changes take effect. Then, perform another full scan with your anti-malware tool to confirm that Trojan.MSIL.DarkVigil.A has been successfully removed.

Conclusion

Removing Trojan.MSIL.DarkVigil.A from your system requires careful and systematic steps to ensure the malware is completely eradicated. By following the guidance provided, you can help protect your system and data from this and similar threats. Remember, prevention is key; keeping your operating system, software, and security tools up to date, along with practicing safe computing habits, can significantly reduce the risk of future infections.

Analysis Report

General information

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

Known Samples

MD5: 314a342c9ae003046f77673ee2a79cbb
SHA1: 993fe5970f6d5abc6e3978f329120deed907b274
SHA256: 3BF9C65D7485768633F34C43F937842FC2925AEC1E8BB391438E832ED2DA3FA7
File Size: 526.85 KB, 526848 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 0.0.0.0
File Version 0.0.0.0
Internal Name Client.TcpDmtp.dll
Original Filename Client.TcpDmtp.dll
Product Version 0.0.0.0

File Traits

  • .NET
  • Agile.net
  • dll
  • Fody
  • HighEntropy
  • x86

Block Information

Total Blocks: 21
Potentially Malicious Blocks: 5
Whitelisted Blocks: 15
Unknown Blocks: 1

Visual Map

0 0 0 0 x x 0 ? x x x 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!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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