Threat Database Trojans Trojan.Kryptik.BJA

Trojan.Kryptik.BJA

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 25,388
Threat Level: 80 % (High)
Infected Computers: 13
First Seen: April 25, 2025
Last Seen: April 20, 2026
OS(es) Affected: Windows

The detection of Trojan.Kryptik.BJA 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, guidance on how to remove it from your system. It's crucial to approach this situation with a clear understanding of the threat landscape and the necessary steps to mitigate it.

What Is Trojan.Kryptik.BJA?

Trojan.Kryptik.BJA is identified as a Trojan-type threat. Trojans are malicious programs that can allow unauthorized access to a computer, stealing sensitive information or installing additional malware. They often disguise themselves as legitimate software, making them difficult to detect without proper security tools. The name Trojan.Kryptik.BJA itself suggests it's part of a broader category of Trojans, but specific details about its origins, behavior, and impact can vary.

How Trojan.Kryptik.BJA Operates

Like other Trojans, Trojan.Kryptik.BJA is designed to infiltrate a system without being detected, often through exploiting vulnerabilities in software or by deceiving users into installing it voluntarily. Once inside, it can perform a variety of malicious actions, including but not limited to, data theft, installation of additional malware, and providing backdoor access to attackers. The exact operational mechanisms can depend on the specific goals of the malware authors and the capabilities built into the Trojan.

Symptoms of Infection

Symptoms of a Trojan.Kryptik.BJA infection can be subtle and may not always be immediately noticeable. Common indicators include unexpected system crashes, slower than usual computer performance, unfamiliar programs or toolbars, and unusual network activity. Sometimes, the presence of a Trojan might only be suspected after a significant amount of data has been compromised or when other malware infections are discovered. Being vigilant about system performance and monitoring for any unusual activity is crucial for early detection.

How to Remove Trojan.Kryptik.BJA

  1. Boot your computer in Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process and allow you to download necessary tools.
  2. Conduct a full scan of your system using a reputable anti-malware tool such as SpyHunter. Ensure the tool is updated to the latest version to increase the chances of detecting and removing Trojan.Kryptik.BJA.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time the infection was detected. Be cautious and only remove programs you are certain are not necessary for your system's operation.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings that the Trojan may have installed.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that the threat has been completely removed. Repeat this process until no more threats are detected.

Conclusion

Removing Trojan.Kryptik.BJA from your system requires careful and methodical steps to ensure that all components of the malware are eliminated. It's also a reminder of the importance of preventive measures, including keeping your operating system and software up to date, being cautious with email attachments and downloads, and regularly scanning your system for malware. By taking these steps, you can protect your system from future infections and maintain a secure computing environment.

Analysis Report

General information

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

Known Samples

MD5: 3efb1d81d31f2cb5047eef8ed534ccc9
SHA1: 2b276854a0fae185a44ad3c91481b638d17a5534
SHA256: E61D4E3835FF36A1EB6FBB20D672055C6E379964F21DE4BB5F00B6868AF24892
File Size: 472.58 KB, 472576 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File has TLS information
  • File is 32-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
  • 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

File Traits

  • No Version Info
  • x86

Block Information

Total Blocks: 2,304
Potentially Malicious Blocks: 730
Whitelisted Blocks: 1,479
Unknown Blocks: 95

Visual Map

0 0 0 0 0 0 0 ? x x x ? ? ? 0 ? ? x x x 0 ? ? x 0 ? x x x 0 x 0 0 ? 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 x 0 x 0 0 0 0 0 0 0 0 0 0 0 x x x 0 ? 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 x x 0 0 0 0 x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x x 0 0 0 0 0 x 0 0 0 0 0 0 0 0 x ? 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 x x 0 0 0 0 0 0 0 x 0 0 0 0 x x 0 0 0 ? ? ? ? ? 0 0 ? 0 0 0 x 0 x 0 0 x 0 ? 0 0 0 ? x 0 0 0 0 x 0 0 0 ? x x x x x x x x 0 0 0 x x x ? 0 0 0 0 0 0 ? ? ? ? ? x ? ? ? ? ? 0 ? ? 0 0 x 0 ? ? ? 0 0 0 0 0 0 x 0 0 0 x 0 0 0 0 0 0 0 x 0 0 0 0 x 0 0 x 0 0 0 0 x x 0 0 x x x x 0 x x x x 0 0 0 0 x 0 0 0 0 0 0 x x x x 0 0 ? 0 0 0 ? 0 0 0 0 0 0 0 0 x 0 0 x x 0 0 0 x 0 x 0 0 x x 0 0 x x 0 0 0 x x x x x x x 0 x ? x x x x x x x ? x x ? x 0 x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 x 0 x x 0 x x 0 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 x ? x x x 0 0 0 0 0 x 0 0 0 x x x 0 x x 0 0 0 0 x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 x x 0 x 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 x 0 0 x x 0 x x x 0 x 0 0 x 0 0 0 x 0 x x x ? 0 x x 0 x x x x x 0 0 1 0 1 0 x 0 ? x x x x x x x x x x x x x x x x x x x ? x 0 x 0 0 0 0 0 0 x 0 0 x 0 0 x x x x ? ? 0 0 x 0 0 x x x x x x x x 0 0 x x 0 0 0 0 0 x ? ? 0 x x 0 0 0 0 0 0 0 0 1 0 0 x x x x x 0 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 0 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 x 0 0 0 ? x x x x 0 ? x x x 0 0 ? 0 0 0 ? ? 0 0 x 0 0 ? ? ? ? x x ? 0 0 0 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 x x x 0 ? ? 0 ? x ? x x 0 x 0 x x x ? 0 0 0 0 ? 0 x 0 0 0 0 0 0 0 0 0 0 x 0 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 0 ? ? ? ? x x x x x x x x ? x 0 ? x 0 0 ? 0 0 x 0 0 x ? ? x 0 0 0 x x 0 x x 0 x x x x x 0 0 0 x x x 0 0 x x 0 0 x 0 x x x 0 0 x 0 x x x x x x x x x x 0 x x x x x x 0 x 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 0 x x x x x x x x x x x x x x x x 0 0 x x x x x 0 x x x x x x x x x 0 x x x x x x x 0 x x x x x x x 0 x x x 0 x x 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 x x x 0 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 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 x x x x 0 x x x x x x 0 0 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 0 x x x 0 x 0 0 x x 0 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 0 0 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 x x x x x x x 0 0 x x x 0 x x 0 x x x x 0 0 0 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 x 0 x x x x x x 0 x x x x x x x x x x x x x 0 x 0 x 0 x 0 0 x x x x x x x x 0 0 x 0 0 0 0 0 x 0 x x x 0 0 x x x x 0 x 0 0 x 0 0 0 0 x x 0 x x 0 x x 0 x 0 0 x x x 0 x 0 x x x 0 0 x x 0 x x 0 x x x x x 0 0 0 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 0 x 0 0 0 0 0 0 0 x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 2 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0
... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Kryptik.BJA

Registry Modifications

Key::Value Data API Name
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 尐꫖ǜ RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
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  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • 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!NtOpenMutant
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • 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!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Anti Debug
  • IsDebuggerPresent
User Data Access
  • GetComputerNameEx
  • GetUserName
  • GetUserObjectInformation
Network Winsock2
  • WSAStartup
Network Winsock
  • getaddrinfo
  • socket

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