Threat Database Trojans Trojan.MSIL.Dropper.TMA

Trojan.MSIL.Dropper.TMA

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 17,011
Threat Level: 80 % (High)
Infected Computers: 5
First Seen: May 29, 2025
Last Seen: May 28, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Dropper.TMA on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate your computer and cause harm, making it essential to understand its nature and take steps to remove it. In this report, we will provide an overview of Trojan.MSIL.Dropper.TMA, its operating methods, symptoms of infection, and a step-by-step guide on how to remove it from your system.

What Is Trojan.MSIL.Dropper.TMA?

Trojan.MSIL.Dropper.TMA is a type of Trojan horse malware that can compromise the security of your computer. The name suggests it is a dropper, which means it is designed to install additional malicious software on your system. Trojans are known for their ability to disguise themselves as legitimate programs, making them difficult to detect. They can be used for various malicious purposes, including data theft, spyware, and ransomware attacks.

How Trojan.MSIL.Dropper.TMA Operates

Once Trojan.MSIL.Dropper.TMA infects your computer, it can operate in various ways. It may start by creating a backdoor that allows remote access to your system, enabling hackers to control your computer and steal sensitive information. It can also drop additional malware, which can lead to further system compromise. The malware may communicate with its command and control servers to receive instructions or send stolen data. Understanding how this malware operates is crucial for effective removal and prevention of future infections.

Symptoms of Infection

Identifying the symptoms of a Trojan.MSIL.Dropper.TMA infection can be challenging, as it often disguises itself as a legitimate program. However, some common indicators of infection include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs running in the background. You might also notice changes in your browser settings or the appearance of unwanted toolbars and extensions. If you suspect that your system is infected, it is essential to take immediate action to prevent further damage.

How to Remove Trojan.MSIL.Dropper.TMA

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access. This will make it easier to download and install removal 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 increase 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 of the suspected infection. Be cautious and only remove programs that you are certain are malicious or unnecessary.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings. This can help remove any malicious extensions or settings changes made by the malware.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that the malware has been completely removed. It is also a good idea to scan your system regularly to prevent future infections.

Conclusion

Removing Trojan.MSIL.Dropper.TMA from your system requires careful steps and the use of reputable anti-malware tools. It is crucial to stay vigilant and take preventive measures to avoid future infections. Keeping your operating system, software, and security tools up to date can significantly reduce the risk of malware infections. Additionally, being cautious when opening email attachments, downloading software, and clicking on links can help protect your system from threats like Trojan.MSIL.Dropper.TMA. By following the removal steps outlined in this report and maintaining good security practices, you can help ensure the security and integrity of your computer system.

Analysis Report

General information

Family Name: Trojan.MSIL.Dropper.TMA
Signature status: No Signature

Known Samples

MD5: 78e029ccbba0e952932b06f19045bebc
SHA1: 9df07e1538f090770356b2e8589670cdca23d9bc
SHA256: 5C0A5F7FA75DF1FB3283F95CF54A588BCCC49C1CA951F9F745A68784930C6B99
File Size: 604.67 KB, 604672 bytes
MD5: e3432b8ee4afcc6a6d70f12d50413aa2
SHA1: 9b08c6dced102b02db266d753425f66d4bc47443
SHA256: DB8E4671059B513986AC6DD744891613CF2B92A5400A5339C622005E5CDC6848
File Size: 604.67 KB, 604672 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 resources
  • 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
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • .NET
  • No Version Info
  • x86

Block Information

Total Blocks: 43
Potentially Malicious Blocks: 42
Whitelisted Blocks: 1
Unknown Blocks: 0

Visual Map

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

Similar Families

  • MSIL.Dropper.BTN
  • MSIL.Dropper.TMA

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • 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!NtDeviceIoControlFile
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  • 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!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!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation

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