Trojan.Injector.GUB
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: | 8 |
| First Seen: | September 8, 2025 |
| Last Seen: | February 22, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Injector.GUB on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operational mechanisms, symptoms of infection, and most importantly, a step-by-step guide on how to remove it from your system.
Table of Contents
What Is Trojan.Injector.GUB?
Trojan.Injector.GUB is identified as a Trojan-type threat, which means it is a type of malware that disguises itself as legitimate software but actually allows unauthorized access to your system. Trojans are known for their ability to open a backdoor on your computer, giving hackers the ability to access, modify, or even control your system remotely. The name "Injector" suggests that this malware might have the capability to inject malicious code into other processes or applications on your computer, further complicating its detection and removal.
How Trojan.Injector.GUB Operates
While specific details about Trojan.Injector.GUB's operational mechanisms are not available, Trojans typically operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can perform a variety of malicious activities, including data theft, installation of additional malware, or even recruitment of the infected computer into a botnet for distributed denial-of-service (DDoS) attacks or spamming. The "Injector" part of its name implies it could be particularly adept at evading detection by integrating its malicious code into legitimate processes, making it harder for traditional antivirus software to detect without advanced behavioral analysis capabilities.
Symptoms of Infection
Symptoms of a Trojan infection can vary widely but often include slowed system performance, frequent crashes, or unusual behavior from applications. You might also notice unfamiliar programs or toolbars in your browser, changes to your homepage, or an increase in pop-up advertisements. In some cases, the infection might not display any noticeable symptoms at all, making it difficult for users to detect without the aid of security software.
How to Remove Trojan.Injector.GUB
- Boot into Safe Mode with Networking: This will limit the malware's ability to interfere with the removal process. Restart your computer, and as it boots up, press the F8 key repeatedly until you see the Advanced Boot Options menu. Select Safe Mode with Networking and press Enter.
- Perform a Full Scan with a Reputable Tool: Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. Ensure the tool is updated with the latest definitions before starting the scan.
- Uninstall Suspicious Programs: Go through your installed programs and uninstall anything that looks suspicious or unfamiliar. Be cautious and only remove programs you are sure are not needed.
- Reset Your Browser Settings: Reset your browser settings to their default values. For Chrome, Firefox, and Edge, this can usually be done from the browser's settings or options menu. Look for an option like "Reset browser settings" or "Refresh Firefox."
- Reboot and Re-scan: After completing the above steps, reboot your computer in normal mode and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
Removing Trojan.Injector.GUB requires careful and thorough steps to ensure your system is completely cleaned of the malware. 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, unique passwords, and being cautious with email attachments and downloads from the internet. By understanding the nature of Trojan-type threats and taking proactive steps in securing your system, you can significantly reduce the risk of falling victim to such malware in the future.
Analysis Report
General information
| Family Name: | Trojan.Injector.GUB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
227838b7c931fdae937fe1cfddad7dc7
SHA1:
039b31313a872a82772a76f9c27861674c00cc29
SHA256:
33BADDF42DED79A60E51B13CE8DD74F3301A25269E529BDAC0CA2D33D4644C21
File Size:
1.73 MB, 1732608 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have resources
- File doesn't have security information
- File has exports table
- File has TLS 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
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- 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
- HighEntropy
- ntdll
- 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: | 2,233 |
|---|---|
| Potentially Malicious Blocks: | 464 |
| Whitelisted Blocks: | 1,769 |
| 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.- Injector.GUB
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\039b31313a872a82772a76f9c27861674c00cc29_0001732608.,LiQMAxHB
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