Trojan.Shell.B
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: | 7,854 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 3,594 |
| First Seen: | December 12, 2012 |
| Last Seen: | July 7, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Shell.B on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security of your computer, allowing unauthorized access and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and protect your system.
Table of Contents
What Is Trojan.Shell.B?
Trojan.Shell.B is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs or files to gain unauthorized access to a computer system. Once installed, it can perform a variety of harmful actions, including data theft, spyware activities, and the installation of additional malware. The name "Trojan.Shell.B" suggests it may involve shell access or command execution capabilities, but without specific details, it's crucial to approach removal with a comprehensive strategy.
How Trojan.Shell.B Operates
Trojan horses like Trojan.Shell.B typically operate by deceiving users into installing them, often through phishing emails, infected software downloads, or exploited vulnerabilities in operating systems or applications. Once installed, they can create backdoors for remote access, allowing attackers to control the infected system, steal sensitive information, or use the system for malicious activities such as spamming or distributing malware. The exact mechanisms can vary widely, making a thorough removal process critical.
Symptoms of Infection
Symptoms of a Trojan.Shell.B infection can be subtle and may include slow system performance, frequent crashes, unfamiliar programs or icons, unexpected changes in system settings, or increased network activity without apparent cause. Sometimes, infections may not exhibit noticeable symptoms, making regular system monitoring and antivirus scans essential for early detection.
How to Remove Trojan.Shell.B
- Boot into Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to work in. The process to boot into Safe Mode varies depending on your operating system version.
- Conduct a Full Scan with a Reputable Tool: Use an anti-malware tool such as SpyHunter to scan your system thoroughly. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the malware.
- 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 Browser: If you use Chrome, Firefox, or Edge, consider resetting it to its default settings. This can help remove any malicious extensions or settings changes made by the malware.
- 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 malware has been completely removed.
Conclusion
Removing Trojan.Shell.B requires careful and thorough action to ensure that all components of the malware are eliminated from your system. By following the steps outlined above and maintaining vigilance through regular system checks and updates, you can protect your computer from this and other malware threats. Remember, prevention is key, so always be cautious when opening emails, downloading software, and clicking on links from unknown sources.
Analysis Report
General information
| Family Name: | Trojan.Shell.B |
|---|---|
| Signature status: | Self Signed |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
ac140722928217ac776dba3304e0761d
SHA1:
6a03b31024e8f660252a541446b3380355690d00
SHA256:
058C14C99972C417544E9D4A889451411D8A5FF7D4744F8E89B0C60641ADC28B
File Size:
3.30 MB, 3299480 bytes
|
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MD5:
8375b61c0f0364d6c229f2c8a12cc6bd
SHA1:
46c539cb446efd66a32245fc76ee0cf28a42dc7e
SHA256:
4129894A0EFA50FFD543CB345496E7ECE78234F74417647F71FCDFB24B0124B6
File Size:
3.30 MB, 3299480 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 resources
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- File is Native application (NOT .NET application)
- File is not packed
Show More
- 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 |
|---|---|---|
| Agilo Research Private Limited | Sectigo Public Code Signing CA E36 | Self Signed |
File Traits
- golang
- No Version Info
- 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: | 477 |
|---|---|
| Potentially Malicious Blocks: | 0 |
| Whitelisted Blocks: | 477 |
| 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.- Shell.B
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 |
|---|---|
| Encryption Used |
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