Trojan.ShellcodeRunner.TA
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: | 24,482 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 4 |
| First Seen: | June 20, 2024 |
| Last Seen: | June 28, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.ShellcodeRunner.TA indicates that a potentially malicious program has been identified on your system. This detection name suggests a type of Trojan horse malware, which is a broad category of threats that can perform a wide range of malicious activities. To understand the implications of this detection and how to proceed with removal, it's essential to delve into what this threat is, how it operates, and the symptoms it may cause.
Table of Contents
What Is Trojan.ShellcodeRunner.TA?
Trojan.ShellcodeRunner.TA, as indicated by its name, is likely associated with a Trojan-type threat. Trojans are malicious programs that disguise themselves as legitimate software to gain unauthorized access to a computer system. They can be used to spy on users, steal data, disrupt system operation, or provide a backdoor for other malicious programs. The term "ShellcodeRunner" implies that this malware might be designed to execute shellcode, which is a small piece of code used as the payload in exploits. Shellcode is typically used to download and install additional malware or to create a backdoor on the compromised system.
How Trojan.ShellcodeRunner.TA Operates
While specific details about how Trojan.ShellcodeRunner.TA operates are not available, Trojans generally rely on social engineering tactics or exploits to infect systems. They might be distributed through email attachments, infected software downloads, or vulnerabilities in operating systems or applications. Once installed, a Trojan can perform various malicious activities, depending on its design. This can include data theft, keylogging, or using the infected computer as a botnet node. The lack of specific indicators for this threat means that its exact operation and goals are not well-defined, necessitating a cautious and comprehensive approach to removal.
Symptoms of Infection
Infections with Trojan.ShellcodeRunner.TA or similar malware can manifest in various ways, though some infections may not display obvious symptoms immediately. Common signs of a Trojan infection include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs running in the background. Users might also notice unexpected changes to their system settings or find that their personal data has been compromised. In some cases, the presence of a Trojan might only be suspected after a thorough security scan.
How to Remove Trojan.ShellcodeRunner.TA
- Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove all components of the Trojan.
- Manually uninstall any suspicious programs that were installed around the time of the suspected infection. Be cautious and only remove programs you are certain are malicious or unnecessary.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings that the Trojan might have altered.
- After completing the above steps, reboot your computer and perform another scan with your anti-malware tool to ensure that all traces of the malware have been removed.
Conclusion
The removal of Trojan.ShellcodeRunner.TA requires careful attention to detail and a systematic approach to ensure that all components of the malware are eliminated. Given the potential for Trojans to cause significant harm, including data theft and system compromise, it's crucial to act promptly upon detection. By following the steps outlined and maintaining vigilance through regular system scans and safe computing practices, you can protect your system from similar threats in the future and maintain a secure computing environment.
Analysis Report
General information
| Family Name: | Trojan.ShellcodeRunner.TA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
5e76cd77af25b92673c444c70cb36b40
SHA1:
61f0b3ca8c4de7f483f91e06b44ec98e4a3ec0ed
SHA256:
D8B2656B2BA07BD0D3E5B5496306AAC107CD61A5974EC889F15DE93D25DCD528
File Size:
2.59 MB, 2590909 bytes
|
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MD5:
3979dc3d28c8b13574b5b973b1fea9ac
SHA1:
93c87fc9d4b703f7b0d6f2bf7398d29c10cdcb5b
SHA256:
1420DD0509D727A8FBFAFF71A11D648E94FE540C9C9BBEA5011F45CA9CF6EAE3
File Size:
4.86 MB, 4856816 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 relocations information
- File doesn't have security information
- File has exports table
- File has TLS information
- File is 32-bit executable
- File is 64-bit executable
- File is either console or GUI application
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- 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)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
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 |
|---|---|
| File Description | Клиент для подключения к рабочему столу |
| File Version | 2.4.3 |
| Internal Name | VDIClient.exe |
| Legal Copyright | Copyright (C) 2024 |
| Original Filename | VDIClient.exe |
| Product Name | VDIClient |
| Product Version | 2.4.3 |
| Special Build | SpecialBuild |
File Traits
- big overlay
- HighEntropy
- 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: | 7,174 |
|---|---|
| Potentially Malicious Blocks: | 240 |
| Whitelisted Blocks: | 6,809 |
| Unknown Blocks: | 125 |
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.- CobaltStrike.ES
- Stealer.IFDB
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| \device\namedpipe | Generic Read,Write Attributes |
| \device\namedpipe | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nsk4a06.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete |
| c:\users\user\appdata\local\temp\nsp4a26.tmp\nsexec.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nsp4a26.tmp\system.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\utils\portchecker.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\utils\portchecker\app.go | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\utils\portchecker\go.mod | Generic Write,Read Attributes |
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 㜸ऌ⚍ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | ຫ⚍ǜ | RegNtPreCreateKey |
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 |
|---|---|
| Anti Debug |
|
| User Data Access |
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| Process Shell Execute |
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| Syscall Use |
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75 additional items are not displayed above. |
| Process Terminate |
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| Network Winsock2 |
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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.
TaskKill /F /T /IM VDIClient.exe
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TaskKill /F /T /IM mstsc.exe
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