Threat Database Trojans Trojan.MSIL.Krypt.CATFA

Trojan.MSIL.Krypt.CATFA

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: September 4, 2023
Last Seen: October 22, 2025
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.CATFA on your system indicates a potential security threat that requires immediate attention. This Trojan-type threat can compromise your computer's security and put your personal data at risk. It is essential to understand the nature of this threat and take steps to remove it to prevent further damage.

What Is Trojan.MSIL.Krypt.CATFA?

Trojan.MSIL.Krypt.CATFA is a type of malware that can infect your computer without your knowledge or consent. The name suggests that it is a Trojan-type threat, which means it can disguise itself as a legitimate program or file to gain access to your system. Once inside, it can cause a range of problems, from stealing sensitive information to disrupting your computer's performance.

How Trojan.MSIL.Krypt.CATFA Operates

Trojan.MSIL.Krypt.CATFA, like other Trojans, can operate in various ways. It may be designed to remain hidden, avoiding detection by security software, while it carries out its malicious activities. It can also create backdoors, allowing remote access to your computer, or download additional malware to further compromise your system. The exact methods used by Trojan.MSIL.Krypt.CATFA can vary, but its primary goal is to exploit your computer for malicious purposes.

Symptoms of Infection

Identifying a Trojan.MSIL.Krypt.CATFA infection can be challenging, as it may not always display obvious symptoms. However, you might notice some signs that indicate your computer is infected, such as slowed performance, frequent crashes, or unfamiliar programs running in the background. You might also experience issues with your internet connection or find that your personal files have been accessed or modified without your permission. If you suspect that your computer is infected, it is crucial to take immediate action to remove the threat.

How to Remove Trojan.MSIL.Krypt.CATFA

  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 computer. This will help identify and remove all components of the Trojan.MSIL.Krypt.CATFA malware.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time you noticed the infection. Be cautious and only remove programs that you are sure are not essential to your system's operation.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings that the malware might have altered.
  5. Reboot your computer and perform another scan with your anti-malware tool to ensure that all traces of the malware have been removed.

Conclusion

Removing Trojan.MSIL.Krypt.CATFA from your computer requires careful and immediate action. By following the steps outlined above, you can help ensure the removal of this malicious threat and protect your personal data and computer's integrity. It is also essential to maintain good security practices, such as regularly updating your operating system and security software, using strong passwords, and being cautious when opening emails or downloading files from the internet. By staying vigilant and proactive, you can significantly reduce the risk of future malware infections and keep your computer and data safe.

Analysis Report

General information

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

Known Samples

MD5: ff5dabb738494e0faa24bcc392483a2e
SHA1: c1b07ee7493d6e3cf64163b6bddb43c78e5c837e
SHA256: F9A718AD404EBD48558B199128C27600C202D6424F6483FF57D8E2246EA180DB
File Size: 1.12 MB, 1124352 bytes
MD5: f277a3ccb02947ed09a2c9c6ce821d7c
SHA1: 5631e119ec00be1927ff54698ce4fb949a5526e8
SHA256: C6C05CA4AF99AE5E6D2C251D60ACEC3324F3ECABC79E4E8FF6292816FB85A7E6
File Size: 723.46 KB, 723456 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 console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
Show More
  • 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 AetherTemp
File Description AetherTemp
File Version 1.0.0.0
Internal Name AetherTemp.dll
Original Filename AetherTemp.dll
Product Name AetherTemp
Product Version 1.0.0

File Traits

  • .NET
  • dll
  • x86

Block Information

Total Blocks: 970
Potentially Malicious Blocks: 434
Whitelisted Blocks: 4
Unknown Blocks: 532

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • 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!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • UNKNOWN
  • win32u.dll!NtGdiBitBlt
  • win32u.dll!NtGdiCreateBitmap
  • win32u.dll!NtGdiCreateCompatibleDC
  • win32u.dll!NtGdiCreateDIBitmapInternal
  • win32u.dll!NtGdiCreateSolidBrush
  • win32u.dll!NtGdiDeleteObjectApp
  • win32u.dll!NtGdiExtGetObjectW
  • win32u.dll!NtGdiGetDCforBitmap
  • win32u.dll!NtGdiGetDCObject
  • win32u.dll!NtGdiGetDeviceCaps
  • win32u.dll!NtGdiRestoreDC
  • win32u.dll!NtGdiSaveDC
  • win32u.dll!NtGdiSelectBitmap
  • win32u.dll!NtGdiSetDIBitsToDeviceInternal
  • win32u.dll!NtUserBuildHwndList
  • win32u.dll!NtUserCallTwoParam
  • win32u.dll!NtUserCreateEmptyCursorObject
  • win32u.dll!NtUserCreateWindowEx
  • win32u.dll!NtUserDestroyWindow
  • win32u.dll!NtUserFindExistingCursorIcon
  • win32u.dll!NtUserGetAncestor
  • win32u.dll!NtUserGetClassInfoEx
  • win32u.dll!NtUserGetClassName
  • win32u.dll!NtUserGetDC
  • win32u.dll!NtUserGetGUIThreadInfo
  • win32u.dll!NtUserGetIconInfo
  • win32u.dll!NtUserGetIconSize
  • win32u.dll!NtUserGetImeInfoEx
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetObjectInformation
  • win32u.dll!NtUserGetProcessWindowStation
  • win32u.dll!NtUserGetProp
  • win32u.dll!NtUserGetThreadDesktop
  • win32u.dll!NtUserGetThreadState
  • win32u.dll!NtUserGetWindowCompositionAttribute
  • win32u.dll!NtUserIsNonClientDpiScalingEnabled
  • win32u.dll!NtUserIsTopLevelWindow
  • win32u.dll!NtUserMessageCall
  • win32u.dll!NtUserRegisterClassExWOW
  • win32u.dll!NtUserRegisterWindowMessage
  • win32u.dll!NtUserReleaseDC
  • win32u.dll!NtUserRemoveProp
  • win32u.dll!NtUserSelectPalette
  • win32u.dll!NtUserSetCursorIconData
  • win32u.dll!NtUserSetWindowFNID
  • win32u.dll!NtUserSetWindowLongPtr
  • win32u.dll!NtUserSetWindowPos
  • win32u.dll!NtUserUpdateInputContext

Related Posts

Trending

Most Viewed

Loading...