Trojan.ShellcodeRunner.BJ
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: | 1,981 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 1,231 |
| First Seen: | March 12, 2025 |
| Last Seen: | July 20, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.ShellcodeRunner.BJ on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operation, symptoms, and most importantly, steps to remove it from your system.
Table of Contents
What Is Trojan.ShellcodeRunner.BJ?
Trojan.ShellcodeRunner.BJ is identified as a Trojan-type threat. Trojans are malicious programs that can allow unauthorized access to a computer, stealing sensitive information, or they can be used to download and install additional malware. The name suggests it might be involved in running shellcode, which is a piece of code that an attacker can use to exploit a vulnerability in software. However, without specific details, it's crucial to approach this threat with general guidance on how to handle Trojan infections.
How Trojan.ShellcodeRunner.BJ Operates
Trojan-type malware, like Trojan.ShellcodeRunner.BJ, typically operates by disguising itself as legitimate software. Once installed on a system, it can create backdoors for remote access, allowing attackers to control the infected computer. This can lead to a range of malicious activities, including data theft, installation of additional malware, or using the computer as part of a botnet for distributed denial-of-service (DDoS) attacks. The exact operation can vary, but the primary goal is usually to compromise the security and integrity of the infected system.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior, such as unexpected pop-ups, slow performance, or frequent crashes. Additionally, you might notice that your browser settings have changed without your input, or you're being redirected to unwanted websites. In some cases, the presence of a Trojan might not be noticeable at all, making regular system scans crucial for detection.
How to Remove Trojan.ShellcodeRunner.BJ
- Boot into Safe Mode with Networking: This will limit the malware's ability to run and make it easier to remove. To do this, restart your computer and press the key to access your boot menu (this varies by computer but is often F8, F12, or Del). Select Safe Mode with Networking.
- Run a Full Scan with a Reputable Tool: Use an anti-malware tool like SpyHunter to perform a full system scan. This can help identify and remove the Trojan as well as any other malware that might be present.
- Uninstall Suspicious Programs: Go through your installed programs and remove anything that you don't recognize or that was installed around the time your system became infected.
- Reset Your Browser Settings: If your browser has been affected, resetting it to its default settings can remove unwanted changes. This option is usually found in the browser's settings or preferences menu for Chrome, Firefox, and Edge.
- Reboot and Re-scan: After taking the above steps, reboot your computer and run another full scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
Removing Trojan.ShellcodeRunner.BJ requires a systematic approach to ensure that your system is thoroughly cleaned and protected against future infections. 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 malware infections. Remember, prevention and vigilance are key to protecting your digital assets and personal information in today's online environment.
Analysis Report
General information
| Family Name: | Trojan.ShellcodeRunner.BJ |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
ef144018e0b5f282af359b2cdd9c05f9
SHA1:
acd8e5865b8eb20da5e47c6263c2344574e9a102
SHA256:
AA48AF7F5E0C481F32A8A8593AB5199E2E2279EFB226E22505C75D71302DCE5B
File Size:
1.83 MB, 1833984 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- 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)
- 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)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
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 |
|---|---|
| Assembly Version | 1.0.0.0 |
| Company Name | OPPOQcomPatchTool |
| File Description | OPPOQcomPatchTool |
| File Version | 1.0.0.0 |
| Internal Name | OPPOQcomPatchTool.dll |
| Original Filename | OPPOQcomPatchTool.dll |
| Product Name | OPPOQcomPatchTool |
| Product Version | 1.0.0+build20250724140932Z |
File Traits
- HighEntropy
- VirtualAllocExNuma
- 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: | 6,536 |
|---|---|
| Potentially Malicious Blocks: | 242 |
| Whitelisted Blocks: | 6,140 |
| Unknown Blocks: | 154 |
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.- ShellcodeRunner.BJ
