Trojan.ShellcodeRunner.GUA
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: | 8,110 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 17 |
| First Seen: | February 19, 2026 |
| Last Seen: | June 13, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.ShellcodeRunner.GUA indicates that your system has been compromised by a potentially malicious program. This type of threat is generally categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can cause significant harm to your system and data, making it essential to understand the nature of this threat and take immediate action to remove it.
Table of Contents
What Is Trojan.ShellcodeRunner.GUA?
Trojan.ShellcodeRunner.GUA is a type of malware that may allow an attacker to execute arbitrary code on the infected system. The term "ShellcodeRunner" suggests that it is designed to run shellcode, which is a small piece of code used as the payload in exploits. This type of malware can be particularly dangerous, as it can be used to install additional malware, steal sensitive information, or provide unauthorized access to the system.
How Trojan.ShellcodeRunner.GUA Operates
Malware like Trojan.ShellcodeRunner.GUA typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can communicate with its command and control servers to receive instructions or upload stolen data. The exact operation of Trojan.ShellcodeRunner.GUA may vary, but its primary goal is to maintain a covert presence on the infected system, allowing the attacker to carry out malicious activities without being detected.
Symptoms of Infection
Systems infected with Trojan.ShellcodeRunner.GUA may exhibit a range of symptoms, including but not limited to, unusual network activity, slower system performance, and unexpected changes to system settings. In some cases, the infection may not display any noticeable symptoms, making it difficult to detect without the use of antivirus software. It is crucial to be vigilant and monitor your system for any signs of suspicious activity.
- Unexplained changes to system files or registry entries
- Increased network activity, potentially indicating data theft or communication with command and control servers
- System crashes or instability
- Appearance of unwanted programs or toolbars
How to Remove Trojan.ShellcodeRunner.GUA
- Boot your system into Safe Mode with Networking to prevent the malware from loading and to allow for internet access for updates and scans.
- Perform a full scan of your system using a reputable antivirus tool, such as SpyHunter, to detect and remove all traces of the malware.
- Uninstall any suspicious programs that were installed around the time of the infection. Be cautious and only remove programs that you are certain are malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings that the malware may have altered.
- Reboot your system and perform another full scan to ensure that all malware components have been removed. This step is crucial to verify the effectiveness of the removal process.
Conclusion
Removing Trojan.ShellcodeRunner.GUA requires a systematic approach to ensure that all components of the malware are eliminated. It is also essential to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when opening email attachments or downloading software from the internet. By understanding the nature of this threat and taking the necessary steps to remove it, you can protect your system and data from potential harm.
Analysis Report
General information
| Family Name: | Trojan.ShellcodeRunner.GUA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
8b0bf9f8d08195a80f40378f1b3bab83
SHA1:
068c8472d503d31710151e638806e9d246466e5e
SHA256:
B86C5634E278417114D5FFDD514E8E20E3F9005C6C2F4FFFF9DB28CFF225F646
File Size:
797.10 KB, 797096 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- 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
- IMAGE_FILE_DLL is not set inside PE header (Executable)
Show More
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- big overlay
- fptable
- 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: | 511 |
|---|---|
| Potentially Malicious Blocks: | 18 |
| Whitelisted Blocks: | 493 |
| 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.MPD
- Crack.VB
- Kryptik.BUE
- Lazy.LHA
- Trojan.Agent.Gen.CKS
Show More
- Trojan.Kryptik.Gen.DQY
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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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\system32\svchost.exe (NULL)
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