Threat Database Trojans Trojan.Kryptik.DDFB

Trojan.Kryptik.DDFB

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1
First Seen: August 11, 2025
Last Seen: August 17, 2025
OS(es) Affected: Windows

The detection of Trojan.Kryptik.DDFB on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operating methods, symptoms of infection, and steps to remove it from your system.

What Is Trojan.Kryptik.DDFB?

Trojan.Kryptik.DDFB is a type of malware that can compromise the security and integrity of your computer system. The term "Trojan" refers to a class of malware that disguises itself as legitimate software, allowing it to bypass security measures and gain unauthorized access to a system. Once inside, it can perform a variety of malicious activities, depending on its design and the intentions of its creators.

How Trojan.Kryptik.DDFB Operates

Malware like Trojan.Kryptik.DDFB typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can communicate with its command and control servers to receive instructions, download additional malware, or upload sensitive information from the infected system. It may also attempt to evade detection by using various techniques such as code obfuscation, anti-debugging, and rootkit functionalities.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely but may include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs appearing on the system. You might also notice increased network activity, even when you're not using the internet, or find that your security software is disabled. In some cases, the infection might not display obvious symptoms, making it difficult to detect without proper scanning tools.

How to Remove Trojan.Kryptik.DDFB

  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. Download and run a full scan with a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the malware.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time the malware 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 changes made by the malware.
  5. After completing the above steps, reboot your computer and run another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.

Conclusion

Removing Trojan.Kryptik.DDFB from your system requires careful and methodical steps to ensure that all components of the malware are eliminated. It's also crucial to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus software, avoiding suspicious downloads, and being cautious with email attachments and links. By understanding how malware operates and taking the right steps to protect your system, you can significantly reduce the risk of infection and maintain a secure computing environment.

Analysis Report

General information

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

Known Samples

MD5: 0a1c5a2fdb3e0aab6c775fa8daed703b
SHA1: 16bdfc214ed79814b0434b635385b5dd88cfe70d
SHA256: 97FECD13AFB32CDBB7A954E40909E654E69E472A6A984195D476A59219C49C22
File Size: 87.04 KB, 87040 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have security information
  • File has exports table
  • 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)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • dll
  • x86

Block Information

Total Blocks: 52
Potentially Malicious Blocks: 50
Whitelisted Blocks: 2
Unknown Blocks: 0

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 x x x x 1
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Kryptik.DDFB

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtProtectVirtualMemory
Show More
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\16bdfc214ed79814b0434b635385b5dd88cfe70d_0000087040.,LiQMAxHB

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