Threat Database Trojans Trojan.MSIL.Krypt.KFI

Trojan.MSIL.Krypt.KFI

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 19,191
Threat Level: 80 % (High)
Infected Computers: 4
First Seen: January 23, 2024
Last Seen: April 22, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.KFI on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operational mechanisms, symptoms of infection, and most importantly, steps to remove it from your system. It's crucial to approach this situation with a clear understanding of the risks and the necessary actions to mitigate them.

What Is Trojan.MSIL.Krypt.KFI?

Trojan.MSIL.Krypt.KFI is identified as a Trojan-type threat. Trojans are malicious programs that can cause significant harm to computer systems. They are often disguised as legitimate software but are designed to allow unauthorized access to the victim's system, thereby enabling the attacker to steal sensitive information, disrupt operations, or use the infected system for further malicious activities. The name Trojan.MSIL.Krypt.KFI itself suggests it may involve encryption or cryptographic techniques, possibly for malicious purposes such as ransomware or to hide its communications and activities from security software.

How Trojan.MSIL.Krypt.KFI Operates

Trojans like Trojan.MSIL.Krypt.KFI typically operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can create backdoors, allowing remote access to the system. They might also engage in data theft, keylogging, or could be used as part of a larger botnet for distributed denial-of-service (DDoS) attacks. The specifics of how Trojan.MSIL.Krypt.KFI operates can vary, but the end goal is usually to compromise the security and integrity of the infected system for financial gain or to cause disruption.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior such as slow performance, frequent crashes, or the appearance of unwanted programs and pop-ups. Sometimes, Trojans can operate without noticeable symptoms, making them difficult to detect without proper security software. If you suspect your system is infected with Trojan.MSIL.Krypt.KFI, it's essential to take immediate action to minimize potential damage.

How to Remove Trojan.MSIL.Krypt.KFI

  1. Enter Safe Mode with Networking to prevent the malware from loading and to give you a cleaner environment to work in.
  2. Conduct a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all associated files and registry entries.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time the infection was detected.
  4. Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot your system and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

Removing Trojan.MSIL.Krypt.KFI from your system requires careful and immediate action. By following the steps outlined above and maintaining vigilance in your computing practices, you can protect your system and data from this and similar threats. Regularly updating your operating system and security software, being cautious with email attachments and downloads, and using strong, unique passwords can significantly reduce the risk of future infections. Remember, the key to dealing with malware is prompt action and preventative measures to safeguard your digital environment.

Analysis Report

General information

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

Known Samples

MD5: 7f947eb5d9040245dd6f5b3b2251f785
SHA1: 755bdd6a500e0f41337f198f99780bafd70d6560
SHA256: A8322F3E06351DCF931B120AE023F17CCF2CF2ED6ADE36F0F1A3022A94A7B6A9
File Size: 93.70 KB, 93696 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 1.0.0.0
Company Name Niceware International, LLC
File Description LicenseActivator
File Version 1.0.0.0
Internal Name la.exe
Legal Copyright Copyright © Niceware International, LLC 2008
Original Filename la.exe
Product Name LicenseActivator
Product Version 1.0.0.0

File Traits

  • .NET
  • x86

Block Information

Total Blocks: 459
Potentially Malicious Blocks: 5
Whitelisted Blocks: 107
Unknown Blocks: 347

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
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  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
Encryption Used
  • CryptAcquireContext

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