Threat Database Trojans Trojan.MSIL.Agent.MT

Trojan.MSIL.Agent.MT

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 27,291
Threat Level: 80 % (High)
Infected Computers: 1
First Seen: June 4, 2026
Last Seen: June 22, 2026
OS(es) Affected: Windows

Trojan.MSIL.Agent.MT is a generic detection name used by security software to identify a specific type of malicious software targeting the Windows operating system. Based on initial analysis, the threat is a Windows PE executable file that lacks a valid digital signature. The absence of a signature indicates that the file has not been authenticated by a recognized developer, which is a common characteristic of unauthorized or malicious applications. This removal report outlines the fundamental nature of the threat, its operational behavior, and the recommended steps for complete remediation.

What Is Trojan.MSIL.Agent.MT?

The detection name Trojan.MSIL.Agent.MT refers to a trojan horse program compiled using MSIL (Microsoft Intermediate Language). Threats of this nature are typically designed to execute unauthorized actions on an affected system while remaining hidden from the user. Because the file is a Windows PE executable, it is designed to run natively on Windows environments. The lack of a digital signature is a critical factor in its identification as a suspicious object, as legitimate software distributors generally use signatures to verify the integrity and origin of their files. Without this cryptographic assurance, the executable operates outside the bounds of standard trusted software protocols.

How Trojan.MSIL.Agent.MT Operates

As a trojan, Trojan.MSIL.Agent.MT relies on deceptive methods to infiltrate a system rather than exploiting software vulnerabilities directly. Once the unverified PE executable is launched, it may attempt to establish persistence by modifying system configurations or creating new entries that allow it to run automatically during system startup. Trojans of this classification often operate by connecting to remote servers to receive commands, download additional malicious payloads, or transmit sensitive information gathered from the compromised machine. Because the file lacks a signature, it bypasses standard trust checks and can execute its routines silently in the background without triggering standard operating system warnings.

Symptoms of Infection

Identifying a Trojan.MSIL.Agent.MT infection can be challenging, as trojans are designed to operate stealthily. However, users may notice several general symptoms indicating that a system has been compromised:

  • Unexpected degradation in system performance or frequent system freezes.
  • Unexplained network activity, particularly when no user-initiated internet tasks are running.
  • Presence of unfamiliar files or programs that appear without user consent.
  • System security tools being disabled or failing to update properly.
  • Unexpected changes to system settings or browser configurations.

How to Remove Trojan.MSIL.Agent.MT

To effectively eliminate Trojan.MSIL.Agent.MT from an affected system, users should follow a structured removal process to ensure all associated components are eradicated.

  1. Boot the computer into Safe Mode with Networking to prevent the trojan from loading its primary processes and to maintain internet access for remediation tools.
  2. Run a full system scan with a reputable anti-malware tool such as SpyHunter to detect and quarantine the malicious PE executable and any associated threats.
  3. Access the system's control panel and uninstall any recently added suspicious or unfamiliar programs that may be related to the infection.
  4. Reset the settings on all installed web browsers, including Chrome, Firefox, and Edge, to undo any unauthorized modifications made by the trojan.
  5. Reboot the computer normally and perform a final re-scan with the anti-malware tool to confirm that the threat has been completely removed and no residual components remain.

Conclusion

The presence of Trojan.MSIL.Agent.MT represents a significant security risk due to its nature as an unsigned Windows PE executable capable of executing unauthorized commands. Because trojans often operate silently and may download further malicious payloads, prompt and thorough removal is essential. By adhering to the remediation steps outlined above and maintaining a reliable anti-malware solution, users can effectively mitigate the risks associated with this threat and restore the security of their system.

Analysis Report

General information

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

Known Samples

MD5: a5cfeb988573bddc5b03edd54bc34d09
SHA1: 77d54f18ecbf801d4763500cacf25f246ca3373f
SHA256: 46D586AF11B534E46923027A2217BDF1C8618481E5C495C2F37EE92C74D9FBC0
File Size: 4.15 MB, 4154880 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 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)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
File Description RDAoficialST
File Version 1.0.0.0
Internal Name RDAoficialST.exe
Legal Copyright Copyright © 2026
Original Filename RDAoficialST.exe
Product Name RDAoficialST
Product Version 1.0.0.0

File Traits

  • .NET
  • HighEntropy
  • x86

Block Information

Total Blocks: 19
Potentially Malicious Blocks: 11
Whitelisted Blocks: 8
Unknown Blocks: 0

Visual Map

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

Similar Families

  • MSIL.Agent.MT

Windows API Usage

Category API
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation

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