Trojan.ShellcodeRunner.Gen.AJ
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: | 2 |
| First Seen: | November 20, 2025 |
| Last Seen: | January 27, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.ShellcodeRunner.Gen.AJ on your system indicates a potential security threat. This detection name suggests a type of malicious software, but without more specific information, it's essential to understand the general characteristics of such threats and how to address them. Trojans are a broad category of malware that can perform a wide range of malicious activities, from data theft to allowing unauthorized access to your computer.
Table of Contents
What Is Trojan.ShellcodeRunner.Gen.AJ?
Trojan.ShellcodeRunner.Gen.AJ, as a detected threat, falls under the Trojan category, which is known for its versatility in malicious operations. Trojans can be designed to perform various tasks, including but not limited to, stealing sensitive information, installing additional malware, or providing backdoor access to attackers. The ".Gen" part of the name often indicates a generic detection, meaning the specific malware might not be identified by its exact name or version but is recognized as belonging to a particular category of threats.
How Trojan.ShellcodeRunner.Gen.AJ Operates
The operation of Trojan.ShellcodeRunner.Gen.AJ, like other Trojans, typically involves exploiting vulnerabilities in software or tricking users into executing the malware. Once installed, it can run in the background, hidden from the user, and perform its intended malicious functions. This could involve communicating with command and control servers to receive instructions or send stolen data. The exact operation can vary widely depending on the specific goals of the malware authors.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common signs include unexpected changes to computer settings, slow performance, frequent crashes, or the appearance of unwanted programs or toolbars in your web browser. Additionally, you might notice unusual network activity, such as increased data usage or unfamiliar programs accessing the internet. However, some Trojans are designed to operate stealthily, making them difficult to detect without proper security software.
How to Remove Trojan.ShellcodeRunner.Gen.AJ
- Enter Safe Mode with Networking: This will help prevent the malware from loading and make it easier to remove. The process to enter Safe Mode varies depending on your operating system version.
- Perform a Full Scan: Use a reputable anti-malware tool, such as SpyHunter, to scan your computer for malware. Ensure your antivirus software is updated with the latest definitions before scanning.
- Uninstall Suspicious Programs: Check your installed programs for anything that looks suspicious or unfamiliar and uninstall it. Be cautious, as some malware may disguise itself as legitimate software.
- Reset Your Browser: If your web browser has been affected, resetting it to its default settings can help remove unwanted changes. This can be done for Chrome, Firefox, Edge, and other browsers through their respective settings menus.
- Reboot and Re-scan: After taking the above steps, reboot your computer and perform another full scan with your anti-malware software to ensure all threats have been removed.
Conclusion
Removing Trojan.ShellcodeRunner.Gen.AJ requires careful steps to ensure your computer is thoroughly cleaned and protected. 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 antivirus software, and being cautious when opening email attachments or downloading files from the internet. By understanding the nature of Trojan threats and how to address them, you can better protect your digital security and privacy.
Analysis Report
General information
| Family Name: | Trojan.ShellcodeRunner.Gen.AJ |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
01e9dc029b0635d81fcad8c191a8cbe3
SHA1:
da8ad4ade7907a6d56599a6beb2d9730bb2b484f
SHA256:
0DDFC8AF540E215DC7F864D9A9FEF1FFDA0C128590BBECFB6DBA8856481E5A5A
File Size:
121.86 KB, 121856 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 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)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- dll
- HighEntropy
- 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: | 644 |
|---|---|
| Potentially Malicious Blocks: | 17 |
| Whitelisted Blocks: | 627 |
| 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.KGD
- Agent.TJZ
- Emotet.RECN
- TinyNuke.AA
- Trojan.Agent.Gen.ABJ
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- Trojan.ShellcodeRunner.Gen.AJ
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\da8ad4ade7907a6d56599a6beb2d9730bb2b484f_0000121856.,LiQMAxHB
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