Trojan.Lumma.S
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: | 24,832 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 3 |
| First Seen: | October 15, 2024 |
| Last Seen: | May 14, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Lumma.S 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 operating mechanisms, symptoms of infection, and most importantly, steps to remove it from your system.
Table of Contents
What Is Trojan.Lumma.S?
Trojan.Lumma.S is identified as a Trojan-type threat, which is a broad category of malware designed to deceive users into installing it on their systems. Unlike viruses or worms, Trojans do not replicate themselves but can cause significant harm by stealing data, installing additional malware, or providing unauthorized access to your system. The name "Trojan.Lumma.S" itself does not directly indicate a specific malware family but suggests it is a variant within the broader Trojan category.
How Trojan.Lumma.S Operates
Trojans like Trojan.Lumma.S typically operate by disguising themselves as useful or harmless applications. Once installed, they can perform a variety of malicious actions. These can include data theft (such as login credentials, personal information, or financial data), installation of additional malware, modification of system settings, or even allowing remote access to the infected system. The exact operation of Trojan.Lumma.S would depend on its specific design and the intentions of its creators, but the general behavior of Trojans involves exploiting the system for malicious purposes without the user's knowledge or consent.
Symptoms of Infection
Symptoms of a Trojan infection can vary widely but often include noticeable system slowdowns, frequent crashes, or unusual network activity. You might also observe unfamiliar programs or toolbars in your browser, unexpected changes in system settings, or pop-ups and other unwanted advertisements. In some cases, the infection might not display overt symptoms, making it difficult to detect without proper scanning tools. It's crucial to be vigilant and monitor your system's behavior regularly to identify any potential threats early on.
How to Remove Trojan.Lumma.S
- Enter Safe Mode with Networking: This will help prevent the malware from loading and interfering with the removal process. Restart your computer, and as it boots up, press the key that opens the boot menu (this varies by manufacturer but is often F8, F12, or Del). Select Safe Mode with Networking to proceed.
- Conduct a Full Scan: Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. Ensure your antivirus and anti-malware definitions are up to date before scanning to maximize the chances of detecting and removing the threat.
- Uninstall Suspicious Programs: Go through your installed programs and uninstall any that you do not recognize or that were installed around the time the infection was detected.
- Reset Your Browser: If your browser has been affected, reset it to its default settings. This can usually be done through the browser's settings menu (e.g., Chrome, Firefox, Edge) and will remove any unwanted extensions or changes made by the malware.
- Reboot and Re-scan: After completing the above steps, reboot your system to ensure all changes take effect. Then, perform another scan with your anti-malware tool to confirm that the threat has been successfully removed.
Conclusion
Removing Trojan.Lumma.S from your system requires careful and methodical steps to ensure the malware is completely eradicated. It's essential to stay informed and take proactive measures to protect your system from future threats, including keeping your software up to date, using strong antivirus and anti-malware protection, and being cautious when downloading and installing applications. By following the guidance provided and maintaining good cybersecurity practices, you can significantly reduce the risk of infection and keep your system secure.
Analysis Report
General information
| Family Name: | Trojan.Lumma.S |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
4d4186dbf091849c180033f6b517c391
SHA1:
4a6c1629a50b4853f698e9efbaa8425ac2cc5909
SHA256:
51DA49AC8D03960E2118236AE1ED090A0EC5DB2AD7FE7A8D41275663695647BD
File Size:
5.21 MB, 5209600 bytes
|
|
MD5:
c9748b4cde017766f9de21b791d80304
SHA1:
2f3ae16a3651941d90724e15f105f3ab0d4ebf6c
SHA256:
7ED1C3313959FFC07EA003BE92D26D0BCB90F8F24BBB567FDCB9D4C7DBF59517
File Size:
5.19 MB, 5190144 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 resources
- File doesn't have security information
- File is 64-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
Show More
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- golang
- No Version Info
- 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: | 11,491 |
|---|---|
| Potentially Malicious Blocks: | 6 |
| Whitelisted Blocks: | 11,474 |
| Unknown Blocks: | 11 |
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.GDUB
- Agent.IOX
- Agent.ODN
- Brute.PVB
- Rozena.OFB
Show More
- ShellcodeRunner.TV
- Stowaway.A
- Trojan.Downloader.Gen.QF
- Trojan.Downloader.Gen.QM
- Trojan.ShellcodeRunner.Gen.JA
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
|
| Network Winsock2 |
|