Threat Database Trojans Trojan.MSIL.Krypt.FAB

Trojan.MSIL.Krypt.FAB

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: July 20, 2023
Last Seen: February 2, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.FAB on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operating mechanisms, symptoms of infection, and steps to remove it from your system.

What Is Trojan.MSIL.Krypt.FAB?

Trojan.MSIL.Krypt.FAB is identified as a Trojan-type threat, which means it is a type of malware that disguises itself as a legitimate program to gain unauthorized access to a computer system. The name suggests it may be related to MSIL (Microsoft Intermediate Language), which is a component of the.NET Framework, but without specific details, it's crucial to understand the general behavior of such threats to effectively mitigate them.

How Trojan.MSIL.Krypt.FAB Operates

Trojan-type malware, including Trojan.MSIL.Krypt.FAB, typically operates by deceiving users into installing it on their systems. Once installed, it can perform a variety of malicious actions, such as stealing sensitive information, downloading additional malware, or providing unauthorized access to the infected system. These threats often exploit vulnerabilities in software or use social engineering tactics to trick users into executing them.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely but may include unusual system behavior, such as unexpected pop-ups, slow system performance, or unfamiliar programs running in the background. In some cases, the infection may not exhibit noticeable symptoms, making it difficult for users to detect without the aid of security software.

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

How to Remove Trojan.MSIL.Krypt.FAB

  1. Boot your system into Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the malware.
  3. Uninstall any suspicious programs that were installed around the time the malware was detected.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. Reboot your system and perform another scan with your anti-malware tool to ensure all components of the malware have been removed.

Conclusion

Removing Trojan.MSIL.Krypt.FAB from your system requires careful and thorough steps to ensure all components of the malware are eliminated. It's also crucial to adopt preventive measures, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious when opening email attachments or downloading software from the internet. By understanding how Trojan-type malware operates and taking proactive steps to secure your system, you can significantly reduce the risk of future infections.

Analysis Report

General information

Family Name: Trojan.MSIL.Krypt.FAB
Signature status: No Signature

Known Samples

MD5: 4cc7b0b002f77d78d4ceea9e63853437
SHA1: 1cb339aa744f294cb0c83218a8a66e720ad3c4c5
SHA256: 2BE8BD0D487D478CC2C7E40A29C66CCC9D0E8A581BBA2A2EECCFB01C1ED20D1F
File Size: 570.88 KB, 570880 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)

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
File Description CMNNPM
File Version 1.0.0.0
Internal Name mgml.exe
Legal Copyright Copyright © 2017
Original Filename mgml.exe
Product Name CMNNPM
Product Version 1.0.0.0

File Traits

  • .NET
  • HighEntropy
  • x86

Block Information

Total Blocks: 44
Potentially Malicious Blocks: 23
Whitelisted Blocks: 21
Unknown Blocks: 0

Visual Map

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

Similar Families

  • MSIL.Krypt.FAB

Windows API Usage

Category API
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation

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