Trojan.ShellcodeRunner.YA
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: | 14,769 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 39 |
| First Seen: | April 17, 2024 |
| Last Seen: | June 8, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.ShellcodeRunner.YA on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with essential information about the nature of this threat, its operational characteristics, symptoms of infection, and most importantly, steps to remove it from your computer.
Table of Contents
What Is Trojan.ShellcodeRunner.YA?
Trojan.ShellcodeRunner.YA is identified as a Trojan-type threat. Trojans are malicious programs that can allow unauthorized access to a computer, leading to various forms of cyber attacks, including data theft, spyware installation, and further malware distribution. The name suggests it might be involved in running shellcode, which is a small piece of code used as the payload in the exploitation of a software vulnerability. It's crucial to understand that Trojans can be highly versatile and may not always be easily detectable, making them particularly dangerous.
How Trojan.ShellcodeRunner.YA Operates
While specific details about Trojan.ShellcodeRunner.YA's operation are not available, Trojans generally operate by disguising themselves as legitimate software. Once installed, they can create backdoors, allowing remote access to the infected computer. This access can be used for a variety of malicious purposes, including stealing sensitive information, installing additional malware, or using the infected computer as part of a botnet for distributed denial-of-service (DDoS) attacks or spamming. The ability to run shellcode implies it could exploit vulnerabilities in software to execute malicious code, potentially leading to a range of harmful activities.
Symptoms of Infection
Symptoms of a Trojan infection can vary widely depending on the specific goals of the malware. Common indicators include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs and icons. You might also notice increased network activity, even when you're not using the internet, or receive notifications about applications trying to access the internet without your knowledge. Sometimes, Trojans may not exhibit obvious symptoms, making them difficult to detect without proper security software.
How to Remove Trojan.ShellcodeRunner.YA
- Enter Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to work in. The process to enter Safe Mode varies depending on your operating system version.
- Perform a Full Scan with a Reputable Tool: Use a well-regarded anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the Trojan and any other malware that might be present.
- Uninstall Suspicious Programs: Go through your installed programs and remove any that you don't recognize or that were installed around the time you suspect the infection occurred.
- Reset Your Web Browsers: Trojans can sometimes install malicious extensions or alter browser settings. Resetting browsers like Chrome, Firefox, or Edge to their default settings can help remove these changes.
- Reboot and Re-scan: After taking these steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
Removing Trojan.ShellcodeRunner.YA requires careful and immediate action to prevent further damage to your system and protect your personal data. By following the steps outlined above and maintaining good security practices, such as regularly updating your software and being cautious with emails and downloads, you can significantly reduce the risk of future infections. Remember, the key to dealing with malware is vigilance and prompt action.
Analysis Report
General information
| Family Name: | Trojan.ShellcodeRunner.YA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
771b5d296a27175fc37aad43b6976a94
SHA1:
657247313cec67db9476e96d7e35e8d8cbca485f
SHA256:
5D452B9F9B866A41F8931B26E4DAEE570625F99207244560AE4D5549779B7E22
File Size:
1.71 MB, 1711634 bytes
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MD5:
6206ec11cd3d7eb84f3ea840b5ff3814
SHA1:
f7c04c96eec236bf803f5ff482a259713515cf8f
SHA256:
4DE296C98BB3D554122F4B366F17A0E14119D3EC48348AD839D748888DAF0C66
File Size:
2.55 MB, 2549080 bytes
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MD5:
6ce3b0925eea2437e62ea93c35830a98
SHA1:
f6e737f04c523d7f2779a919d154b52e2fd5a079
SHA256:
7E2C42D3737D33974978EC7A838A81C7372CAFE6515E15452BCB3CC70560CBB2
File Size:
3.30 MB, 3297944 bytes
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MD5:
1a4eddbe37f9458feb2d0ffe0817a084
SHA1:
8e6972d9848e12fc79361d55392f95f269c07ddf
SHA256:
0A3DAB7F6AD5F1E03EB1029FFDA5D6BBBBF38EE228631FC4B7CCCADDA77697C0
File Size:
1.98 MB, 1980760 bytes
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MD5:
61677f2db268d706597c7fe499089474
SHA1:
17c0a4dcd6a046e7936461d424a01228533a2367
SHA256:
C6BAE1F06E7EDC1E89621FF12AD9F55182F9D957FB11D2DB7672C313D307927A
File Size:
10.00 MB, 9997312 bytes
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MD5:
5732035f2d098b01805ba041e0b8e1ff
SHA1:
511e5c49dee85895ee11f492549d4cafd71083e2
SHA256:
690E800B3BF16102E2285DA6CA831221D141DD818763ECA3CEAE9DDAE009F893
File Size:
130.32 KB, 130323 bytes
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MD5:
b0638a2c1ef0391dd98b85d3ed046fbe
SHA1:
e3588c702aed97b0a5ec9f5cc91114124c110b75
SHA256:
493229EA3495043838127F428BDCCD493CF50E9E8BA6528516F2D0942EC4CD89
File Size:
926.21 KB, 926208 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 relocations information
- 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 console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
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- File is either console or GUI application
- 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 |
|---|---|
| Company Name |
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| File Description |
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| File Version |
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| Internal Name |
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| Legal Copyright | Copyright © 2001-2016 Python Software Foundation. Copyright © 2000 BeOpen.com. Copyright © 1995-2001 CNRI. Copyright © 1991-1995 SMC. |
| Original Filename |
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| Product Name |
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| Product Version |
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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 |
|---|---|---|
| Python Software Foundation | Microsoft Identity Verification Root Certificate Authority 2020 | Hash Mismatch |
| Python Software Foundation | StartCom Class 3 Object CA | Hash Mismatch |
File Traits
- big overlay
- dll
- HighEntropy
- No Version Info
- WriteProcessMemory
- 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: | 7,449 |
|---|---|
| Potentially Malicious Blocks: | 426 |
| Whitelisted Blocks: | 7,003 |
| Unknown Blocks: | 20 |
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.JC
- BadJoke.UC
- Pinkslipbot.A
- ShellcodeRunner.YA
- Small.N
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- Spy.Agent.GF
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 Shell Execute |
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| Anti Debug |
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| Process Manipulation Evasion |
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| Other Suspicious |
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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\f7c04c96eec236bf803f5ff482a259713515cf8f_0002549080.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\f6e737f04c523d7f2779a919d154b52e2fd5a079_0003297944.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\8e6972d9848e12fc79361d55392f95f269c07ddf_0001980760.,LiQMAxHB
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