Threat Database Trojans Trojan.MSIL.Coinminer.XB

Trojan.MSIL.Coinminer.XB

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: January 6, 2026
Last Seen: February 7, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Coinminer.XB indicates that your system has been compromised by a malicious threat. This type of malware is designed to operate stealthily, making it challenging to detect and remove without proper guidance. In this report, we will provide an overview of the threat, its operational methods, symptoms of infection, and a step-by-step guide on how to remove it from your system.

What Is Trojan.MSIL.Coinminer.XB?

Trojan.MSIL.Coinminer.XB is a type of Trojan horse malware that is designed to infect and compromise a computer system. The name suggests that it may be related to cryptocurrency mining, but its actual functionality and purpose can vary. Trojan horses are known for their ability to disguise themselves as legitimate programs, making them difficult to detect. They can be used for a variety of malicious purposes, including data theft, system compromise, and resource exploitation.

How Trojan.MSIL.Coinminer.XB Operates

Trojan.MSIL.Coinminer.XB, like other Trojans, operates by exploiting vulnerabilities in a system or by tricking users into installing it. Once installed, it can communicate with its command and control servers to receive instructions and transmit stolen data. It may also download and install additional malware or create backdoors for remote access. The malware can remain dormant for extended periods, making it challenging to detect and remove.

The operational methods of Trojan.MSIL.Coinminer.XB can include using system resources for cryptocurrency mining, stealing sensitive information such as login credentials or personal data, and compromising system security to allow additional malware infections. Its ability to adapt and evolve makes it a significant threat to computer security.

Symptoms of Infection

Symptoms of a Trojan.MSIL.Coinminer.XB infection can be subtle and may not always be immediately apparent. Common indicators of infection include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs running in the background. You may also notice increased CPU usage, even when the system is idle, or unexpected network activity. Additionally, you might encounter pop-ups, ads, or other unwanted content while browsing the internet.

  • Unexplained changes to system settings or files
  • New, unfamiliar icons or programs on the desktop or in the system tray
  • Increased fan activity or heat generation due to high CPU usage
  • Difficulty updating or installing legitimate software

How to Remove Trojan.MSIL.Coinminer.XB

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a more effective removal process.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This will help identify and remove all components of the Trojan.MSIL.Coinminer.XB malware.
  3. Uninstall any suspicious programs that were installed around the time of the infection. Be cautious and only remove programs that you are certain are malicious or unnecessary.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings that the malware may have installed.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.

Conclusion

Removing Trojan.MSIL.Coinminer.XB from your system requires careful and thorough action. By following the steps outlined above and maintaining good computer hygiene practices, such as regularly updating your operating system and software, using strong, unique passwords, and being cautious when opening email attachments or downloading files from the internet, you can significantly reduce the risk of future infections. Remember, prevention and vigilance are key to protecting your digital assets and personal information in today's evolving cybersecurity landscape.

Analysis Report

General information

Family Name: Trojan.MSIL.Coinminer.XB
Signature status: No Signature

Known Samples

MD5: b5161d11466e29f9716e53fcf8c4bd28
SHA1: a7f7592479cb5b83b5b244017c76867b7589aeea
SHA256: A41FA462FA42EDD9157F3B93F92482664667525A260F0C697EDBC7F0AC5AF680
File Size: 9.22 KB, 9216 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 min_inst
File Version 1.0.0.0
Internal Name min_inst.exe
Legal Copyright Copyright © 2022
Original Filename min_inst.exe
Product Name min_inst
Product Version 1.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 6
Potentially Malicious Blocks: 6
Whitelisted Blocks: 0
Unknown Blocks: 0

Visual Map

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

Windows API Usage

Category API
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider

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