Threat Database Trojans Trojan.MSIL.Krypt.MBEYC

Trojan.MSIL.Krypt.MBEYC

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 3
First Seen: September 10, 2025
Last Seen: December 31, 2025
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.MBEYC 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 if left unchecked, can lead to serious consequences, including data theft, system crashes, and unauthorized access to your personal information.

What Is Trojan.MSIL.Krypt.MBEYC?

Trojan.MSIL.Krypt.MBEYC is a type of Trojan horse malware that can infect your computer through various means, including malicious downloads, infected software, or exploited vulnerabilities. The name "Trojan.MSIL.Krypt.MBEYC" suggests that it is a malicious program written in MSIL (Microsoft Intermediate Language) and may have encryption capabilities. However, without more specific information, it's difficult to determine the exact nature and behavior of this threat.

How Trojan.MSIL.Krypt.MBEYC Operates

Trojan horses like Trojan.MSIL.Krypt.MBEYC typically operate by disguising themselves as legitimate programs or files, allowing them to bypass security measures and gain access to your system. Once inside, they can perform a variety of malicious activities, such as stealing sensitive information, installing additional malware, or providing unauthorized access to your computer. These threats can also modify system settings, create backdoors, and disrupt system performance.

Symptoms of Infection

Identifying a Trojan.MSIL.Krypt.MBEYC infection can be challenging, as it may not always exhibit obvious symptoms. However, some common signs of infection include slow system performance, unexpected pop-ups or ads, unfamiliar programs or icons, and unusual network activity. You may also notice that your browser settings have been changed, or that your computer is crashing or freezing frequently. If you suspect that your system has been compromised, it's essential to take immediate action to remove the threat.

How to Remove Trojan.MSIL.Krypt.MBEYC

  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 and detect any malicious files or programs.
  3. Uninstall any suspicious programs or applications that you don't recognize or that were installed without your knowledge.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your computer and run another scan with your anti-malware tool to ensure that the threat has been completely removed.

Conclusion

Removing Trojan.MSIL.Krypt.MBEYC from your system requires a combination of technical knowledge and the right tools. By following the steps outlined above and using a reputable anti-malware program, you can help protect your computer and personal data from this and other types of malware. It's also essential to practice good security habits, such as regularly updating your operating system and software, using strong passwords, and being cautious when downloading files or clicking on links from unknown sources. Remember, prevention is key, and staying informed about the latest threats and security best practices can help you stay safe online.

Analysis Report

General information

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

Known Samples

MD5: 7a93a3d60cbabf2e643b794a6bb2e15c
SHA1: acef71d58c0eb9d7f931e15773c1cc8807917379
SHA256: 7690EEF0493D90B07C1989A73746304EEE0095019098D2D83EC0E68A2DC6C4BA
File Size: 1.01 MB, 1011200 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have relocations information
  • File doesn't have security information
  • File is .NET application
  • File is 64-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 1.0.0.0
Company Name University Student Project
File Description ReactionTime Tester
File Version 1.0.0.0
Internal Name bXSFGr.exe
Legal Copyright Copyright © 2025
Original Filename bXSFGr.exe
Product Name ReactionTime Tester
Product Version 1.0.0.0

File Traits

  • .NET
  • HighEntropy
  • x64

Block Information

Total Blocks: 58
Potentially Malicious Blocks: 6
Whitelisted Blocks: 33
Unknown Blocks: 19

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
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  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent

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