Threat Database Trojans Trojan.MSIL.Krypt.MAH

Trojan.MSIL.Krypt.MAH

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 44
First Seen: February 24, 2023
Last Seen: February 9, 2026
OS(es) Affected: Windows

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

What Is Trojan.MSIL.Krypt.MAH?

Trojan.MSIL.Krypt.MAH is a type of malware that can compromise the security and integrity of your computer system. The name suggests it is a Trojan-type threat, which typically disguises itself as legitimate software to gain unauthorized access to a computer. Trojans can be used to steal sensitive information, install additional malware, or provide unauthorized access to the infected system.

How Trojan.MSIL.Krypt.MAH Operates

Like other Trojans, Trojan.MSIL.Krypt.MAH is designed to operate stealthily, attempting to evade detection by security software. It may exploit vulnerabilities in software or use social engineering tactics to trick users into installing it. Once installed, it can communicate with its command and control servers to receive instructions, which could include downloading additional malware, stealing data, or using the infected computer for malicious activities such as spamming or participating in botnet attacks.

Symptoms of Infection

Symptoms of a Trojan.MSIL.Krypt.MAH infection can vary, but common indicators include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs running in the background. You might also notice changes in your web browser settings, unexpected pop-ups, or redirects to suspicious websites. In some cases, the infection might not display any noticeable symptoms, making it difficult to detect without proper security scans.

How to Remove Trojan.MSIL.Krypt.MAH

  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 update security software.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the Trojan.
  3. Manually uninstall any suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only uninstall programs you are certain are not needed.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
  5. After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that the Trojan and any associated malware have been removed.

Conclusion

Removing Trojan.MSIL.Krypt.MAH requires a careful and systematic approach to ensure that all components of the malware are eliminated from your system. It's crucial to stay vigilant and keep your security software up to date to protect against future threats. Regularly backing up important data and being cautious when opening email attachments or downloading software from the internet can also help prevent malware infections. If you are unsure about any part of the removal process, consider seeking help from a professional to ensure your system is thoroughly cleaned and protected.

Analysis Report

General information

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

Known Samples

MD5: 570c37b7f343112d667fd52046351dda
SHA1: 09294bab52cf3a11c1d4cb3689c28e1bd5a9c6f7
SHA256: 37DD9161D7E1BA65D22A0CEDB715BE0F03C75C8F99024B41EE7FC19FDD388A7E
File Size: 131.58 KB, 131584 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)

File Icons

Windows PE Version Information

Name Value
Assembly Version 6.0.0.0
Comments Black Box
File Description uninstall
File Version 1.0.0.0
Internal Name uninstall.exe
Legal Copyright Copyright © 2013
Legal Trademarks Black Box
Original Filename uninstall.exe
Product Name uninstall
Product Version 1.0.0.0

File Traits

  • .NET
  • Confuser
  • HighEntropy
  • Installer Version
  • ntdll
  • RijndaelManaged
  • x86

Block Information

Total Blocks: 74
Potentially Malicious Blocks: 2
Whitelisted Blocks: 47
Unknown Blocks: 25

Visual Map

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

Windows API Usage

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

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