Trojan.Kryptik.NFB
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Popularity Rank: | 5,902 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 24 |
| First Seen: | May 5, 2026 |
| Last Seen: | June 24, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Kryptik.NFB on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software designed to infiltrate and potentially harm your computer. Understanding what this threat is, how it operates, and the symptoms it may cause is crucial for effective removal and prevention of future infections.
Table of Contents
What Is Trojan.Kryptik.NFB?
Trojan.Kryptik.NFB is identified as a Trojan-type threat, which means it is a malicious program that disguises itself as legitimate software. Trojans are known for their ability to grant unauthorized access to a computer, allowing attackers to steal sensitive information, install additional malware, or disrupt system operation. The specific characteristics and behaviors of Trojan.Kryptik.NFB can vary, but its primary goal is to compromise the security and integrity of the infected system.
How Trojan.Kryptik.NFB Operates
Trojan.Kryptik.NFB, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means, such as downloading and executing malicious files from the internet, opening infected email attachments, or exploiting vulnerabilities in software. Once installed, the Trojan can communicate with its command and control servers to receive instructions, which might include stealing personal data, logging keystrokes, or using the infected computer as part of a botnet for malicious activities.
Symptoms of Infection
The symptoms of a Trojan.Kryptik.NFB infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior, such as slow performance, frequent crashes, or the appearance of unwanted programs or toolbars in your web browser. You might also notice that your antivirus software is disabled or that you are unable to access certain system settings or files. In some cases, the infection might not exhibit noticeable symptoms, making it difficult to detect without the aid of security software.
How to Remove Trojan.Kryptik.NFB
- Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all components of the Trojan.
- Uninstall any suspicious programs that were installed around the time the infection was detected. Be cautious and only remove programs you are certain are malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
- After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that all remnants of the Trojan have been removed.
Conclusion
The removal of Trojan.Kryptik.NFB requires careful and thorough steps to ensure that all components of the malware are eliminated from your system. It is also crucial to adopt preventive measures to avoid future infections, including keeping your operating system and software up to date, using strong antivirus protection, and being cautious when downloading files or clicking on links from unknown sources. By understanding the nature of Trojan.Kryptik.NFB and taking the necessary steps for its removal and prevention, you can protect your computer and personal data from malicious activities.
Analysis Report
General information
| Family Name: | Trojan.Kryptik.NFB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
46da940e98ef7f2ce405b395298c96ea
SHA1:
e79f6c0ddc80f1482bf70e6f7008b325bcff5207
SHA256:
CFE356354ED69BDE944E48C8DCEA8E78387E8D7A7A8831848B63E8681AB05396
File Size:
110.08 KB, 110080 bytes
|
|
MD5:
a009aabcac463818f35abbd2857c08cc
SHA1:
739e2ec73afcb9a6b7032df7d844272652d399a4
SHA256:
1E1530865FF92F8063F83D325773807B2CB16F92CF5041C45909D76EC3D80AB7
File Size:
104.96 KB, 104960 bytes
|
|
MD5:
8004eb4b83e82ef781129fd034d5ec9d
SHA1:
c0c89e906abf45dc9484796dbc941814b631d5d1
SHA256:
FA20750BE2A6B6EDB800B07FB3BAC69E182DEEA95F204D0E3CAF4F8ABE39A0F8
File Size:
104.45 KB, 104448 bytes
|
|
MD5:
b3e78e973df9f3383e27726656896f18
SHA1:
415e7b02511072d82765e8c01bc9d602dfc8654a
SHA256:
F656731409DF123BC9EDF67B5667BAE6D88275A086F463835A11FFF436287826
File Size:
110.08 KB, 110080 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have resources
- File doesn't have security information
- File has exports table
- File is 64-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
Show More
- 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
- 2+ executable sections
- dll
- fptable
- x64
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 398 |
|---|---|
| Potentially Malicious Blocks: | 0 |
| Whitelisted Blocks: | 397 |
| Unknown Blocks: | 1 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Filecoder.XU
- Kryptik.BDU
- Kryptik.BFSB
- Spy.Keylogger.XE
- Trojan.Agent.Gen.CYH
Show More
- Trojan.Kryptik.Gen.FEN
- Trojan.ShellcodeRunner.Gen.PY
- XWorm.I
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | �m �v1�1HO @V� �P� �m� �$�� B1_ ��� | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | �m �� �v����(�*�"1�1HO @V� H[u_�zb"hc�w k�qw�n{b��P� ����� ��� ������ ��m� Ù� �V ����$�8წ�� �=�S) � B1_ T�Vw��`� ��%������ �AE��"��D��&��$���L A *�" | RegNtPreCreateKey |
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Syscall Use |
Show More
|
