Threat Database Trojans Trojan.Kryptik.FTSJ

Trojan.Kryptik.FTSJ

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 26,929
Threat Level: 80 % (High)
Infected Computers: 1
First Seen: April 1, 2026
Last Seen: April 22, 2026
OS(es) Affected: Windows

The detection of Trojan.Kryptik.FTSJ on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security of your computer, allowing unauthorized access to your personal data and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it from your system to prevent any potential damage.

What Is Trojan.Kryptik.FTSJ?

Trojan.Kryptik.FTSJ is a type of Trojan horse malware that can infect your computer through various means, such as opening malicious email attachments, clicking on suspicious links, or downloading infected software. Once installed, it can hide itself from the system and user, making it difficult to detect. The name Trojan.Kryptik.FTSJ suggests that it may have characteristics related to data encryption or stealthy operations, but without specific details, it's crucial to approach removal with a broad and thorough strategy.

How Trojan.Kryptik.FTSJ Operates

Trojan.Kryptik.FTSJ, like other Trojans, operates by exploiting vulnerabilities in the system or deceiving users into installing it. After installation, it can perform a variety of malicious activities, including but not limited to, stealing personal data, installing additional malware, or providing backdoor access to the attackers. The exact operation mechanism can vary, but the primary goal is to compromise the security and integrity of the infected computer.

Symptoms of Infection

Symptoms of a Trojan.Kryptik.FTSJ infection can be subtle and may include unusual system behavior, such as slow performance, frequent crashes, or unexpected pop-ups. You might also notice that your browser settings have changed, or you're being redirected to unwanted websites. In some cases, there may be no noticeable symptoms at all, making regular system checks and malware scans crucial for early detection.

How to Remove Trojan.Kryptik.FTSJ

  1. Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the Trojan and any associated malware.
  3. Uninstall any recently installed programs that you don't recognize or that were installed around the time the malware was detected.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all traces of the malware have been removed.

Conclusion

Removing Trojan.Kryptik.FTSJ requires a systematic approach to ensure that all components of the malware are eliminated from your system. By following the steps outlined above and maintaining good computer hygiene, such as regularly updating your operating system and software, using strong antivirus protection, and being cautious with emails and downloads, you can significantly reduce the risk of future infections. Remember, prevention and early detection are key to protecting your personal data and the integrity of your computer system.

Analysis Report

General information

Family Name: Trojan.Kryptik.FTSJ
Signature status: No Signature

Known Samples

MD5: 784f8f781b2dd98e31a93707652b8573
SHA1: 251f5dc838ba4362278001ab442755dabaf21930
SHA256: BD9B4DAF2DB07FECAA54D596F26FCF79ED4624E9372D0279DC5F0BC3BF95F7F8
File Size: 7.03 MB, 7030784 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 has TLS information
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • File is not packed
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Company Name Realtek Semiconductor
File Description Update Service
File Version 20.4.6936.30
Legal Copyright Copyright 2023 Realtek Semiconductor
Product Name Update Service

File Traits

  • x64

Block Information

Total Blocks: 1,323
Potentially Malicious Blocks: 365
Whitelisted Blocks: 483
Unknown Blocks: 475

Visual Map

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? x ? x x ? x x ? ? ? ? 0 ? x x ? x x 0 ? 0 ? x ? x ? ? x ? ? ? ? ? ? ? x ? ? x x x ? x ? ? ? ? ? ? ? x x x 0 x ? ? ? 0 ? ? ? x x x x x ? ? ? x x ? ? x ? 0 ? ? ? ? x x ? x ? ? ? x ? x ? ? x ? ? x ? 0 ? ? 0 ? 0 x ? ? 0 x ? x 0 x ? ? ? ? ? ? x ? ? ? ? x x x ? 0 ? ? ? x x 0 0 ? x ? ? x 0 ? ? ? x x ? ? ? ? ? ? x ? x x x ? ? x x ? 0 x ? ? ? ? x ? ? x ? x ? 0 ? ? ? ? ? 0 x x ? ? x ? x ? 0 x x x ? 0 ? ? x ? x 0 ? ? ? ? x x x ? x x x ? x ? ? ? x x ? x x ? ? ? ? x x ? ? ? ? 0 ? ? x x x 0 ? ? ? ? ? ? x x 0 x ? ? ? x ? x 0 x ? ? ? ? ? x ? x ? ? ? ? ? ? ? x ? ? ? ? x x x 0 x 0 0 ? x x x ? ? ? ? 0 ? ? x x ? 0 ? x ? ? ? x ? x ? ? ? 0 ? x x x x 0 x x 0 ? x ? x x ? x x x ? ? 0 x ? x ? ? ? ? ? x ? ? x x ? ? ? x ? ? ? x x x ? x 0 ? ? x x ? ? x ? x x 0 ? 0 ? ? ? ? x x 0 ? x x ? x x x 0 ? x x 0 x x ? ? ? x 0 x ? 0 x x ? x ? ? ? 0 ? ? ? ? ? 0 0 0 0 x ? x ? ? ? ? ? x x x x x ? ? x ? ? ? ? x x x x ? ? x ? ? ? 0 x x x x ? x x ? ? ? ? ? ? x ? ? ? ? ? ? x x ? x ? x ? x x ? ? x ? ? ? ? x ? ? x x ? ? ? ? x ? ? ? x ? x ? ? ? ? ? 0 ? ? ? ? ? x ? x 0 x 0 0 ? ? ? ? x x x 0 ? ? x ? ? ? 0 x 0 x x ? ? ? ? ? x ? x x ? x ? ? ? ? ? x x ? ? x x ? ? ? ? ? ? x x ? ? x ? 0 ? x ? ? x ? ? x x x x ? ? x x ? ? ? ? x ? ? 0 ? ? 0 ? ? ? x ? 0 ? x x ? ? x ? x x 0 x x ? x ? ? ? x x x ? ? ? 0 ? x ? x x x x x ? ? ? 0 x ? x ? x ? ? 0 0 x x ? x x x 0 x ? ? ? ? ? x ? ? x ? x x ? x ? x x ? x ? 0 ? x x ? ? ? x ? ? ? 0 ? 0 ? 0 x ? x x x x ? ? ? x ? ? ? x x ? ? ? 0 x ? x x 0 ? 0 0 x ? ? ? ? ? x ? ? ? x x ? x ? ? x x ? ? ? 0 x x x 0 x x ? ? ? ? ? ? 0 x ? x 0 x ? x ? ? ? ? ? ? x ? ? 0 ? ? ? x ? ? x ? ? x x x x ? x ? ? ? ? x x ? x ? ? 0 ? 0 0 ? x x ? ? ? x ? x x 0 ? 0 ? 0 0 x x ? x ? ? x ? x x ? x ? ? ? x x 0 ? x x ? 0 x 0 x x x x ? ? x x x ? 0 x ? x ? ? ? x ? ? x ? 0 x x x ? x ? x 0 0 ? x x ? 0 ? ? ? ? 0 ? ? ? x ? x x x x 0 0 x x x x 0 x x ? x x 0 x x 0 0 x 0 0 x x x x 0 x x x x x x x x 0 x x x x x x 0 x x x 0 0 x x x x 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 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 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 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 2 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
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  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • 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!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!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerName
  • GetUserName
Anti Debug
  • IsDebuggerPresent

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