Trojan.Ousaban.J
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.
| Threat Level: | 80 % (High) |
| Infected Computers: | 2 |
| First Seen: | December 2, 2023 |
| Last Seen: | November 6, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Ousaban.J 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 operational mechanisms, symptoms of infection, and most importantly, guidance on how to remove it from your system.
Table of Contents
What Is Trojan.Ousaban.J?
Trojan.Ousaban.J is identified as a Trojan-type threat. Trojans are malicious programs that can compromise the security of a computer by allowing unauthorized access to the system. They can be used to steal sensitive information, install additional malware, or disrupt system operation. The name Trojan.Ousaban.J itself does not directly imply a specific malware family but indicates it is a type of Trojan horse malware.
How Trojan.Ousaban.J Operates
Trojan.Ousaban.J, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means such as downloading and executing malicious files, clicking on links or attachments in spam emails, or exploiting vulnerabilities in software. Once installed, it can create backdoors for remote access, allowing attackers to control the infected system, steal data, or use the system for malicious activities like spreading spam or launching attacks on other systems.
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 the appearance of unwanted programs or toolbars. You might also notice that your system is connecting to the internet without your input, or you're seeing unexpected changes in your system settings. In some cases, the infection might not display obvious symptoms, making it difficult to detect without proper security software.
How to Remove Trojan.Ousaban.J
- Boot into Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to perform the removal process.
- Perform a Full Scan with a Reputable Tool: Utilize a well-regarded anti-malware tool, such as SpyHunter, to scan your system thoroughly. These tools are designed to detect and remove malware, including Trojans like Trojan.Ousaban.J.
- 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 Browsers: If your browsers (like Chrome, Firefox, or Edge) have been affected, reset them to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
- Reboot and Re-scan: After taking the above steps, reboot your system and perform another full scan with your anti-malware tool to ensure that the threat has been completely removed.
Conclusion
Removing Trojan.Ousaban.J requires careful and systematic steps to ensure that the malware is completely eradicated from your system. It's crucial to remain vigilant and keep your security software updated to protect against future threats. Regular system backups, avoiding suspicious downloads, and being cautious with emails and links can also help prevent similar infections in the future. By following the guidance provided, you should be able to remove Trojan.Ousaban.J and restore the security and integrity of your system.
Analysis Report
General information
| Family Name: | Trojan.Ousaban.J |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
05a6b7e3a11e8386696060c3add144a9
SHA1:
a9e076c4337c17439942408035149fa0c978a1ef
SHA256:
7B29C0D1793185A171520539C1DBA87F74B31D47B25C45569AF957B51D1E4055
File Size:
3.84 MB, 3841024 bytes
|
|
MD5:
4721e78f4adddc0c92ab4866b1d93884
SHA1:
55da2b6c5d36db338f67e5717dfea311160e779d
SHA256:
E1AC453D267847D209E450956B40484C1A596DBE9B828951436B50326DC33F9E
File Size:
4.37 MB, 4372992 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have security information
- File has exports table
- 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)
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 | vcruntime140_1_app |
| File Version | 1.0.0.0 |
| Product Name | vcruntime140_1_app |
| Product Version | 1.0.0.0 |
| Program I D | com.embarcadero.vcruntime140_1_app |
File Traits
- dll
- HighEntropy
- VirtualQueryEx
- 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: | 16,889 |
|---|---|
| Potentially Malicious Blocks: | 7 |
| Whitelisted Blocks: | 16,881 |
| Unknown Blocks: | 1 |
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.OUA
- ConvertAd.BD
- Delf.R
- Delf.RC
- Ousaban.J
Show More
- Ousaban.U
- Rugmi.BA
- Rugmi.SA
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 |
|---|---|
| c:\users\user\downloads\55da2b6c5d36db338f67e5717dfea311160e779d_0004372992 | Synchronize,Write Attributes |
| c:\users\user\downloads\a9e076c4337c17439942408035149fa0c978a1ef_0003841024 | Synchronize,Write Attributes |
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 |
Show More
|
