Trojan.Lumma.AP
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: | 49 |
| First Seen: | April 8, 2025 |
| Last Seen: | September 7, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Lumma.AP 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, guidance on how to remove it from your system. It's crucial to approach this situation with a clear understanding of the risks and the steps necessary to mitigate them.
Table of Contents
What Is Trojan.Lumma.AP?
Trojan.Lumma.AP 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, Trojans do not replicate themselves but can cause significant harm by allowing unauthorized access to the victim's system. This can lead to data theft, installation of additional malware, and exploitation of system vulnerabilities. The name "Trojan.Lumma.AP" itself does not specify a known malware family but indicates it's a type of Trojan horse malware.
How Trojan.Lumma.AP Operates
Trojan.Lumma.AP, like other Trojans, operates by disguising itself as legitimate software. Once installed, it can open a backdoor on the infected system, allowing attackers to access it remotely. This access can be used for a variety of malicious activities, including stealing sensitive information, installing additional malware, or using the system as part of a botnet for distributed denial-of-service (DDoS) attacks or spamming. The operational specifics of Trojan.Lumma.AP, such as its propagation methods and the exact nature of its payload, can vary and are typically designed to evade detection by traditional security measures.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unusual system behavior, such as unexpected pop-ups, slow system performance, and unfamiliar programs or icons. Additionally, if your system is being used for malicious activities, you might notice increased network activity even when you're not using the internet. It's also possible for a system infected with a Trojan to not display any noticeable symptoms at all, making regular system scans crucial for detection.
- Unexplained changes to system settings or files
- Appearance of unfamiliar or suspicious programs
- Increased network activity without apparent cause
- System crashes or instability
How to Remove Trojan.Lumma.AP
- Boot into Safe Mode with Networking: This will limit the malware's ability to interfere with the removal process. To do this, restart your computer and press the key to access your boot menu (this key varies by manufacturer but is often F8, F12, or Del).
- Perform a Full Scan with a Reputable Tool: Use an anti-malware tool such as SpyHunter to scan your system for malware. Ensure the tool is updated to the latest version to improve detection capabilities.
- Uninstall Suspicious Programs: Go through your installed programs and uninstall any that you don't recognize or that were installed around the time your system became infected.
- Reset Your Browsers: Malware often affects web browsers, so resetting them can help remove malicious extensions or settings. This can usually be done through the browser's settings menu for Chrome, Firefox, and Edge.
- Reboot and Re-scan: After completing the above steps, restart your system and perform another full scan to ensure no remnants of the malware remain.
Conclusion
Removing Trojan.Lumma.AP from your system requires careful and methodical steps to ensure all components of the malware are eliminated. It's essential to stay vigilant and regularly scan your system for malware to prevent future infections. Maintaining up-to-date antivirus software, being cautious with email attachments and downloads, and avoiding suspicious links can significantly reduce the risk of infection. By following the removal steps outlined and adopting safe computing practices, you can protect your system and data from threats like Trojan.Lumma.AP.
Analysis Report
General information
| Family Name: | Trojan.Lumma.AP |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
69f03c7487ee5feadf16fc75dd4c52ad
SHA1:
a126801cf4955911bf69416c5a170fae8dd44392
File Size:
1.38 MB, 1380392 bytes
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MD5:
9c15be32b362a305a016d0ca04846e1e
SHA1:
51816e197883fe0a409ad7960f43cfa897acb93f
SHA256:
940B084C27FA17A44F3DB52D47B22174F291310B4795C116ADAFFF435749FF18
File Size:
1.28 MB, 1276416 bytes
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MD5:
7249d7f74abc73e68e29eae933bc0921
SHA1:
7834d6265e71519e821cac5cc01c6efaae7ad124
SHA256:
CC8A223B9967A9FFADA7BFBFEE927C0089F7C07D5829029CDC36D61478E53F07
File Size:
997.89 KB, 997888 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 exports table
- File doesn't have resources
- File doesn't have security information
- File has TLS 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)
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- 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)
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 | Microsoft Corporation |
| File Description | Microsoft Windows Media Player Setup Utility |
| File Version | 12.0.19041.1 (WinBuild.160101.0800) |
| Internal Name | unregmp2.exe |
| Legal Copyright | © Microsoft Corporation. All rights reserved. |
| Original Filename | unregmp2.exe |
| Product Name | Microsoft® Windows® Operating System |
| Product Version | 12.0.19041.1 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| NVIDIA Corporation | DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 | Hash Mismatch |
File Traits
- 2+ executable sections
- HighEntropy
- Installer Version
- 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: | 2,153 |
|---|---|
| Potentially Malicious Blocks: | 273 |
| Whitelisted Blocks: | 1,323 |
| Unknown Blocks: | 557 |
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.- Lumma.AP
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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