Threat Database Trojans Trojan.MSIL.WMITask.A

Trojan.MSIL.WMITask.A

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 26,452
Threat Level: 80 % (High)
Infected Computers: 1
First Seen: November 17, 2025
Last Seen: May 8, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.WMITask.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 operation, symptoms, and most importantly, the steps to remove it from your system.

What Is Trojan.MSIL.WMITask.A?

Trojan.MSIL.WMITask.A is identified as a Trojan-type threat, which is a broad category of malware designed to deceive users about its true intent. Trojans can be used for a variety of malicious purposes, including data theft, espionage, and the unauthorized control of a system. The name itself does not directly imply a specific malware family but indicates it's written in MSIL (Microsoft Intermediate Language), often used by .NET Framework applications, and suggests a relation to WMI (Windows Management Instrumentation) tasks, which could imply it interacts with system management functions.

How Trojan.MSIL.WMITask.A Operates

While specific details about Trojan.MSIL.WMITask.A's operation are not available, Trojans generally operate by disguising themselves as legitimate software. Once installed on a system, they can create backdoors for remote access, allowing attackers to steal sensitive information, install additional malware, or use the infected system for malicious activities. The use of WMI tasks could enable the malware to monitor system events, processes, or even to propagate within the system or network.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely but may include unusual system behavior such as slow performance, frequent crashes, or the appearance of unwanted programs or files. Users might also notice unauthorized changes to their system settings or unusual network activity. In some cases, the infection might not display any noticeable symptoms, making it difficult for users to detect without the aid of security software.

  • Unexplained changes to system settings or files
  • Appearance of unfamiliar programs or icons
  • Increased network activity without a known cause
  • System crashes or instability

How to Remove Trojan.MSIL.WMITask.A

  1. Boot your system into Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process while still allowing you to download necessary tools.
  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 threat.
  3. Uninstall any suspicious programs that were installed around the time of 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 changes made by the malware.
  5. Reboot your system and perform another full scan with your anti-malware tool to ensure all components of the malware have been removed.

Conclusion

Removing Trojan.MSIL.WMITask.A requires careful and systematic steps to ensure the malware is completely eradicated from your system. It's also crucial to adopt preventive measures to avoid future infections, including keeping your operating system and software up to date, using strong antivirus software, and being cautious when opening email attachments or downloading files from the internet. By following the removal steps outlined in this report and maintaining good cybersecurity practices, you can protect your system and data from similar threats in the future.

Analysis Report

General information

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

Known Samples

MD5: 45286d52c3ff4830badfd1a54e59d874
SHA1: 0c2b772b10be596a7541337c1786b8e3f968444e
SHA256: 7314E1BD03173E23B0AAC93EB7A36BC84492E3139B3B048668A29BA029BFB480
File Size: 5.12 KB, 5120 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • 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)
  • 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 TaskScheduler
File Version 1.0.0.0
Internal Name TaskScheduler.dll
Legal Copyright Copyright © 2025
Original Filename TaskScheduler.dll
Product Name TaskScheduler
Product Version 1.0.0.0

File Traits

  • .NET
  • dll
  • x86

Block Information

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

Visual Map

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

Similar Families

  • MSIL.WMITask.A

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
Show More
  • 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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