Threat Database Trojans Trojan.MSIL.Krypt.GFN

Trojan.MSIL.Krypt.GFN

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 12
First Seen: July 4, 2024
Last Seen: December 19, 2025
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.GFN 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 its presence can lead to a range of problems, from data theft to system crashes. In this report, we will provide an overview of what Trojan.MSIL.Krypt.GFN is, how it operates, the symptoms of infection, and most importantly, the steps you can take to remove it from your system.

What Is Trojan.MSIL.Krypt.GFN?

Trojan.MSIL.Krypt.GFN is a type of Trojan horse malware. Trojan horses are malicious programs that disguise themselves as legitimate software, allowing them to bypass security mechanisms and gain unauthorized access to a computer system. The name Trojan.MSIL.Krypt.GFN suggests that it is written in MSIL (Microsoft Intermediate Language) and may have encryption or obfuscation capabilities, but without specific details, it's essential to focus on general guidance for removal and prevention.

How Trojan.MSIL.Krypt.GFN Operates

Trojan malware, including Trojan.MSIL.Krypt.GFN, typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can perform a variety of malicious actions, such as stealing sensitive information, installing additional malware, or providing unauthorized access to the infected computer. The specific operations of Trojan.MSIL.Krypt.GFN can vary, but the goal is often to compromise the security and privacy of the user.

Symptoms of Infection

The symptoms of a Trojan.MSIL.Krypt.GFN infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior, such as unexpected crashes, slow performance, or unfamiliar programs and icons. You might also notice increased network activity, even when you're not using the internet, or find that your antivirus software is disabled. If you suspect that your computer is infected, it's crucial to take action promptly to minimize potential damage.

How to Remove Trojan.MSIL.Krypt.GFN

  1. Enter Safe Mode with Networking to prevent the malware from loading and to allow for a clean environment to perform removal steps.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove Trojan.MSIL.Krypt.GFN and any other malicious software that may be present.
  3. Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time you noticed the infection.
  4. Reset your web browsers (e.g., Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings that the Trojan may have altered.
  5. Reboot your computer and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

Removing Trojan.MSIL.Krypt.GFN from your system requires careful and immediate action. By following the steps outlined above and maintaining good computer hygiene, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious with emails and downloads, you can protect your computer from future infections. Remember, prevention and vigilance are key to securing your digital environment and safeguarding your personal data.

Analysis Report

General information

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

Known Samples

MD5: 420022aadc635ebe04334f8aef4558a7
SHA1: e0a2533641967139b04334c038b6492a78cc2a9e
SHA256: 513A56E1D1301BC1226BF02803DE0A67721352476E7FB75BBB148F010B117A50
File Size: 1.91 MB, 1906176 bytes
MD5: deb186ee027cf0b16cec477569c647cd
SHA1: a8bfb9a8b4b7608053a85c7c954f85cd5c902da1
SHA256: FB5D56C86A77F1927CE55C8CD03815AAA67453348EE518F7E14C060A68122B2A
File Size: 2.31 MB, 2309632 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 relocations information
  • File doesn't have security information
  • File is .NET application
  • File is 32-bit executable
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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  • 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
  • PMOtfrq
  • REmmteifixk
File Version 1.0.0.0
Internal Name
  • PMOtfrq.exe
  • REmmteifixk.exe
Legal Copyright
  • Copyright © 2018
  • Copyright © 2019
Original Filename
  • PMOtfrq.exe
  • REmmteifixk.exe
Product Name
  • PMOtfrq
  • REmmteifixk
Product Version 1.0.0.0

File Traits

  • .NET
  • GenKrypt
  • HighEntropy
  • ntdll
  • x64
  • x86

Block Information

Total Blocks: 67
Potentially Malicious Blocks: 12
Whitelisted Blocks: 19
Unknown Blocks: 36

Visual Map

? x ? x x ? ? ? ? ? ? ? ? 0 0 0 0 x ? x ? ? x ? 0 0 0 0 0 0 ? ? ? x x ? 0 ? ? ? ? ? ? 0 0 x 0 x 0 ? 0 x 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
Other Suspicious
  • AdjustTokenPrivileges
Encryption Used
  • BCryptOpenAlgorithmProvider
  • CryptAcquireContext
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ReadProcessMemory
  • VirtualAllocEx
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtCancelTimer2
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
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  • ntdll.dll!NtCompareSigningLevels
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtGetCachedSigningLevel
  • ntdll.dll!NtGetContextThread
  • ntdll.dll!NtGetWriteWatch
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • 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!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!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResetWriteWatch
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtSuspendThread
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtUnsubscribeWnfStateChange
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
Process Shell Execute
  • CreateProcess

Shell Command Execution

c:\users\user\downloads\a8bfb9a8b4b7608053a85c7c954f85cd5c902da1_0002309632

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