Trojan.Injector.NB
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.
| Threat Level: | 80 % (High) |
| Infected Computers: | 71 |
| First Seen: | October 19, 2021 |
| Last Seen: | March 20, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Injector.NB on your system indicates a potential security threat that requires immediate attention. This type of threat is categorized as a Trojan, which is a broad term for malicious software that can cause harm to your computer or steal sensitive information. In this report, we will provide an overview of what Trojan.Injector.NB is, how it operates, the symptoms of infection, and most importantly, the steps to remove it from your system.
Table of Contents
What Is Trojan.Injector.NB?
Trojan.Injector.NB is a type of malware that can infiltrate your system without your knowledge or consent. The name itself suggests that it is a Trojan-type threat, which means it can disguise itself as legitimate software or attach itself to legitimate programs to gain access to your system. Trojan.Injector.NB can be used by attackers to gain unauthorized access to your computer, steal sensitive information, or disrupt your system's operation.
How Trojan.Injector.NB Operates
Once Trojan.Injector.NB infects your system, it can operate in various ways, depending on its intended purpose. It may create backdoors for remote access, allowing attackers to control your system or steal sensitive information. It can also modify system settings, disable security software, or install additional malware. The exact operation of Trojan.Injector.NB can vary, but its primary goal is to compromise your system's security and exploit its resources for malicious activities.
Symptoms of Infection
The symptoms of a Trojan.Injector.NB infection can be subtle or overt, depending on the malware's behavior. Common symptoms include slow system performance, frequent crashes, or unexpected changes to system settings. You may also notice unfamiliar programs or icons on your desktop, or receive unexpected pop-ups or alerts. In some cases, Trojan.Injector.NB may not exhibit any noticeable symptoms, making it difficult to detect without proper security software.
How to Remove Trojan.Injector.NB
To remove Trojan.Injector.NB from your system, follow these steps:
- Boot your system in Safe Mode with Networking to prevent the malware from loading.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of Trojan.Injector.NB.
- Uninstall any suspicious programs or applications that may be related to the malware.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your system and perform another full scan to ensure that all remnants of Trojan.Injector.NB have been removed.
By following these steps, you can effectively remove Trojan.Injector.NB from your system and prevent further damage.
Conclusion
The detection of Trojan.Injector.NB on your system is a serious issue that requires prompt attention. By understanding what this threat is, how it operates, and the symptoms of infection, you can take the necessary steps to remove it and protect your system from future attacks. Remember to always use reputable security software, keep your operating system and software up to date, and practice safe computing habits to minimize the risk of infection. If you are unsure about any aspect of the removal process, consider seeking guidance from a qualified security professional to ensure the complete removal of Trojan.Injector.NB and the protection of your sensitive information.
Analysis Report
General information
| Family Name: | Trojan.Injector.NB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
8247c6f1717f7da8b0e4c614bc140c19
SHA1:
640b4c8e5004a4b56ba588655eaf57731a759848
SHA256:
4C04B6F99316F5FECC5C1D2C133B75E3611C14965E5C575F60E3AB3A2D0D3A42
File Size:
417.28 KB, 417280 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have security 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)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- HighEntropy
- No Version Info
- 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: | 392 |
|---|---|
| Potentially Malicious Blocks: | 6 |
| Whitelisted Blocks: | 386 |
| Unknown Blocks: | 0 |
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.- Agent.KLGB
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 |
|---|---|
| Process Shell Execute |
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| Process Manipulation Evasion |
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| Other Suspicious |
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| Process Terminate |
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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\system32\ftp.exe (NULL)
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C:\WINDOWS\system32\diskperf.exe (NULL)
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