Trojan.Agent.XXS
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: | 19 |
| First Seen: | July 29, 2025 |
| Last Seen: | April 11, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.XXS 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. It's crucial to approach this situation with a clear understanding of the risks and the necessary actions to mitigate them.
Table of Contents
What Is Trojan.Agent.XXS?
Trojan.Agent.XXS is identified as a Trojan-type threat. Trojans are malicious programs that can cause harm to your computer system by allowing unauthorized access, stealing data, or disrupting system operations. The name "Trojan.Agent.XXS" itself does not specify a known malware family but indicates it's a type of Trojan agent, suggesting its capability to perform a variety of malicious actions depending on its design and the intentions of its creators.
How Trojan.Agent.XXS Operates
Trojan agents like Trojan.Agent.XXS typically operate by infiltrating a system through deceptive means, such as disguising themselves as legitimate software or attachments in emails. Once inside, they can create backdoors for remote access, allowing attackers to control the infected system, steal sensitive information, or use the system as part of a larger network for malicious activities. The specific operations of Trojan.Agent.XXS can vary, but the general goal is to compromise system security and exploit system resources for malicious purposes.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. However, common indicators include unusual system behavior such as slow performance, frequent crashes, or unexpected changes to system settings. You might also notice unfamiliar programs or toolbars in your browser, or receive warnings from your security software. In some cases, the infection might not display noticeable symptoms, making regular system scans crucial for early detection.
How to Remove Trojan.Agent.XXS
- Enter Safe Mode with Networking: This will limit the malware's ability to interfere with the removal process. Restart your computer and enter Safe Mode. This can usually be done by pressing a specific key (such as F8) during startup, though this may vary depending on your system.
- Perform a Full Scan with a Reputable Tool: Use an anti-malware tool, such as SpyHunter, that is capable of detecting and removing Trojans. Ensure the tool is updated with the latest definitions before running the scan.
- Uninstall Suspicious Programs: Go through your installed programs and remove any that you do not recognize or that were installed around the time the infection was detected.
- Reset Your Browser Settings: Malware often affects browser settings. Resetting Chrome, Firefox, Edge, or any other affected browser to its default settings can help remove unwanted changes and potentially malicious extensions.
- Reboot and Re-scan: After completing the above steps, restart your computer and perform another full scan to ensure that the threat has been completely removed. This step is crucial as some malware can regenerate if all parts are not eliminated.
Conclusion
Removing Trojan.Agent.XXS requires careful and systematic steps to ensure that all components of the malware are eliminated from your system. It's essential to stay vigilant and maintain good security practices to prevent future infections, including keeping your operating system and software up to date, using strong antivirus protection, and being cautious with emails and downloads from the internet. By following the guidance provided and staying informed, you can protect your system from the threats posed by Trojan.Agent.XXS and other malware.
Analysis Report
General information
| Family Name: | Trojan.Agent.XXS |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
4344778a82decc907fafbf171345b683
SHA1:
3e84568f1885d86e38ba05ab376c008dea3c9d87
SHA256:
E2E345672B6C6A7BEA395ABC529ECBBEF41218D6C3A120BAE826DB4BF2DC8634
File Size:
990.37 KB, 990368 bytes
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MD5:
e121f9fafdde7b5aa1fdf14e7c0e67f6
SHA1:
6af956154b695aec15f47b167be4a31159215f2d
SHA256:
C42DF6DFFC67D5402D6C2998CC0E9DB43343B1429499190E93A5AD9F173EBDFE
File Size:
231.94 KB, 231936 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)
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 |
|---|---|---|
| MyTestCertificate | MyTestCertificate | Self Signed |
File Traits
- dll
- 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: | 1,390 |
|---|---|
| Potentially Malicious Blocks: | 56 |
| Whitelisted Blocks: | 1,250 |
| Unknown Blocks: | 84 |
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.- Redline.FB
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
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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\3e84568f1885d86e38ba05ab376c008dea3c9d87_0000990368.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\6af956154b695aec15f47b167be4a31159215f2d_0000231936.,LiQMAxHB
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