Threat Database Trojans Trojan.Nekark.D

Trojan.Nekark.D

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 14,904
Threat Level: 80 % (High)
Infected Computers: 27
First Seen: November 8, 2024
Last Seen: July 17, 2026
OS(es) Affected: Windows

The detection of Trojan.Nekark.D 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 step-by-step guidance on how to remove it from your system.

What Is Trojan.Nekark.D?

Trojan.Nekark.D is a type of malicious software, commonly referred to as a Trojan, which is designed to infiltrate and compromise a computer system. Unlike viruses, Trojans do not replicate themselves but can cause significant harm by stealing sensitive information, installing additional malware, or providing unauthorized access to the infected system. The name "Trojan.Nekark.D" suggests it is a variant of a broader category of threats, but without specific details, it's crucial to focus on the general characteristics of Trojans and how they operate.

How Trojan.Nekark.D Operates

Trojan.Nekark.D, like other Trojans, typically operates by disguising itself as legitimate software or hiding within other programs. Once installed on a system, it can execute a variety of malicious actions, including but not limited to, data theft, spyware activities, or acting as a backdoor for other malware. The specific operations of Trojan.Nekark.D can vary, but the general approach involves exploiting system vulnerabilities or user trust to gain unauthorized access and control.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unusual system behavior, such as slow performance, frequent crashes, or pop-ups and unfamiliar programs appearing on the system. Additionally, users might notice that their personal files have been altered or that there are unauthorized changes to their system settings. Since Trojans can be designed to remain stealthy, some infections might only be discovered through the use of anti-malware software.

How to Remove Trojan.Nekark.D

  1. Enter Safe Mode with Networking: This will limit the malware's ability to run and interfere with the removal process. Restart your computer and press the key to enter safe mode (this key varies by computer but is often F8).
  2. Conduct a Full Scan: Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This will help identify and remove the Trojan and any associated malware.
  3. Uninstall Suspicious Programs: Go through your installed programs and uninstall anything that looks suspicious or unfamiliar. Be cautious, as some legitimate programs might be named similarly to malware.
  4. Reset Your Browsers: Malware often affects web browsers, so resetting them can help remove any malicious extensions or settings. This can typically be done through the browser's settings menu for Chrome, Firefox, and Edge.
  5. Reboot and Re-scan: After completing the above steps, reboot your system and run another full scan with your anti-malware software to ensure that all traces of the Trojan have been removed.

Conclusion

Removing Trojan.Nekark.D from your system requires careful and methodical steps to ensure that all components of the malware are eliminated. By following the guidance provided, you can effectively remove the threat and protect your system from future infections. It's also essential to maintain good cybersecurity practices, including keeping your operating system and software up to date, using strong antivirus software, and being cautious when opening email attachments or downloading files from the internet. Preventing infections is always more effective than trying to remove them after the fact.

Analysis Report

General information

Family Name: Trojan.Nekark.D
Signature status: No Signature

Known Samples

MD5: 59141faff7bdb2ef591fd777254d33ff
SHA1: 57f0c0bd1ab0b8ba0bd2d9a2e10ae4dc02264d95
SHA256: CBC1AE9A756A82987359AB44B5C81046B0E5CF095076C84C04403A367B192504
File Size: 2.05 KB, 2048 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 resources
  • File doesn't have security information
  • File is 64-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is Native application (NOT .NET application)
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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)

File Traits

  • No Version Info
  • x64

Block Information

Total Blocks: 1
Potentially Malicious Blocks: 1
Whitelisted Blocks: 0
Unknown Blocks: 0

Visual Map

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

Similar Families

  • Nekark.D

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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