Threat Database Trojans Trojan.MSIL.Mardom.LF

Trojan.MSIL.Mardom.LF

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 12,532
Threat Level: 80 % (High)
Infected Computers: 61
First Seen: January 22, 2025
Last Seen: July 18, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Mardom.LF on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, and it's essential to understand its nature and take steps to remove it.

What Is Trojan.MSIL.Mardom.LF?

Trojan.MSIL.Mardom.LF is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. The name "Trojan" refers to the way this malware operates, by deceiving users into installing it on their systems. The "MSIL" part of the name suggests that it is written in Microsoft Intermediate Language, which is a platform-agnostic language used by the .NET Framework. This type of malware can be used for various malicious purposes, including data theft, system compromise, and unauthorized access.

How Trojan.MSIL.Mardom.LF Operates

Trojan.MSIL.Mardom.LF, like other Trojans, operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can create backdoors, allowing remote access to the compromised system. This can lead to a range of malicious activities, including the theft of sensitive information, installation of additional malware, or use of the system for spamming, phishing, or other cybercrimes. The exact mechanisms of operation can vary, but the end goal is typically to compromise system security and user privacy.

Symptoms of Infection

Identifying a Trojan infection can be challenging because these malware types are designed to operate stealthily. However, some common symptoms may indicate the presence of Trojan.MSIL.Mardom.LF or similar malware. These include unexpected system crashes, slow performance, unusual network activity, and the appearance of unfamiliar programs or icons. Additionally, users might notice that their personal files have been accessed or modified without their consent, or that their antivirus software has been disabled. It's crucial to monitor system behavior closely and investigate any suspicious activity promptly.

How to Remove Trojan.MSIL.Mardom.LF

  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. Download and run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the malware. Ensure the tool is updated with the latest definitions to improve detection rates.
  3. Uninstall any suspicious programs that were installed around the time the malware was detected. Be cautious and only remove programs that you are certain are malicious or unnecessary.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings that the malware might have altered.
  5. Reboot your computer and run another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed. This step is crucial to confirm the removal and to check for any other potential threats.

Conclusion

The removal of Trojan.MSIL.Mardom.LF requires careful and immediate action to prevent further damage to your system and to protect your personal data. By understanding how this malware operates and following the steps outlined above, you can effectively remove the threat and secure your computer. 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. Always be cautious when downloading software, opening email attachments, or clicking on links from unknown sources, as these are common vectors for malware distribution.

Analysis Report

General information

Family Name: Trojan.MSIL.Mardom.LF
Signature status: No Signature

Known Samples

MD5: 98b781c5c01e8c6137885766ae25318f
SHA1: a583efc0c129fe88f735fe1555a97016a54899be
SHA256: 1BDC40D3EBD169D331DBB44E468170A681DC4D4F1953776B29550F2BECAB0665
File Size: 573.44 KB, 573440 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 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 0.0.0.0
File Version 0.0.0.0
Internal Name lm.exe
Original Filename lm.exe
Product Version 0.0.0.0

File Traits

  • .NET
  • HighEntropy
  • x86

Block Information

Total Blocks: 16
Potentially Malicious Blocks: 11
Whitelisted Blocks: 5
Unknown Blocks: 0

Visual Map

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

Similar Families

  • MSIL.Agent.EMG

Files Modified

File Attributes
\device\namedpipe\gmdasllogger Generic Write,Read Attributes

Windows API Usage

Category API
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Other Suspicious
  • AdjustTokenPrivileges
Process Manipulation Evasion
  • NtUnmapViewOfSection

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