Trojan.Agent.NJB
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: | 24,841 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 3 |
| First Seen: | October 17, 2024 |
| Last Seen: | May 12, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.NJB on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, and it's essential to understand its nature and take steps to remove it. In this report, we will provide an overview of Trojan.Agent.NJB, its operating methods, symptoms of infection, and a step-by-step guide on how to remove it from your system.
Table of Contents
What Is Trojan.Agent.NJB?
Trojan.Agent.NJB is a type of Trojan horse malware that can enter your system through various means, such as downloading infected software, opening malicious email attachments, or visiting compromised websites. Once inside, it can perform a range of malicious activities, including data theft, system compromise, and disruption of normal computer functions. The "Trojan" part of its name suggests that it masquerades as legitimate software, making it difficult to detect without proper security tools.
How Trojan.Agent.NJB Operates
Trojan.Agent.NJB operates by exploiting vulnerabilities in your system's security to gain unauthorized access. It can create backdoors, allowing remote access to your computer, and may also install additional malware or viruses. This type of malware can be particularly dangerous because it can lead to identity theft, financial loss, and compromised personal data. Its ability to operate stealthily makes it challenging to detect without the aid of anti-malware software.
Symptoms of Infection
Symptoms of a Trojan.Agent.NJB infection can vary but may include slow system performance, frequent crashes, and unusual behavior such as unfamiliar programs running in the background. You might also notice changes in your browser settings or the presence of unwanted toolbars and extensions. In some cases, the malware may not exhibit obvious symptoms, making regular system scans crucial for detection.
- Unexplained changes in system settings or browser configurations
- Appearance of unfamiliar programs or icons
- Increased pop-up advertisements or spam
- System slowdowns or frequent freezes
How to Remove Trojan.Agent.NJB
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access to download removal tools.
- Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full system scan to detect and remove all instances of Trojan.Agent.NJB and other malware.
- Uninstall any suspicious programs that were installed around the time the malware was detected. Be cautious and only remove programs you are certain are malicious or unnecessary.
- Reset your web browsers (Google Chrome, Mozilla Firefox, Microsoft Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot your computer and perform another full system scan with your anti-malware tool to ensure all threats have been removed.
Conclusion
Removing Trojan.Agent.NJB requires a systematic approach to ensure all components of the malware are eliminated from your system. By following the steps outlined above and maintaining vigilance through regular system scans and updates, you can protect your computer from future infections. Remember, prevention is key, so always be cautious when downloading software, opening email attachments, and visiting websites. Keeping your operating system, browser, and security software up to date is also crucial in preventing malware infections.
Analysis Report
General information
| Family Name: | Trojan.Agent.NJB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
259f5b1f62f13c4d2a1cec633a9388df
SHA1:
3a94c84c43c37fa311c3d7c31abb27eb0fad7f62
SHA256:
9B66CE672D87FC4F8E14156DD8954029AB1934E68861438A8848F3D466D760A6
File Size:
217.09 KB, 217088 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- 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)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Company Name | Handysoft Corp. |
| File Description | Common Utility |
| File Version | 6, 7, 7, 0114 |
| Internal Name | HsUtil |
| Legal Copyright | Copyright (C) Handysoft Corp. 1999-2003 |
| Original Filename | HsUtil.DLL |
| Product Name | Handysoft BizFlow Groupware |
| Product Version | 6, 7, 7, 0114 |
File Traits
- dll
- x86
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: | 362 |
|---|---|
| Potentially Malicious Blocks: | 9 |
| Whitelisted Blocks: | 198 |
| Unknown Blocks: | 155 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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 |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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| Anti Debug |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\3a94c84c43c37fa311c3d7c31abb27eb0fad7f62_0000217088.,LiQMAxHB
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