Trojan.MSIL.Rubeus.C
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: | 12 |
| First Seen: | March 18, 2022 |
| Last Seen: | January 21, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Rubeus.C 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 methods, symptoms of infection, and most importantly, steps to remove it from your system. It's crucial to address this issue promptly to prevent further damage or unauthorized access to your personal data.
Table of Contents
What Is Trojan.MSIL.Rubeus.C?
Trojan.MSIL.Rubeus.C is identified as a Trojan-type threat, which typically means it is malicious software designed to provide unauthorized access to a user's system. Trojans are known for their ability to disguise themselves as legitimate programs, making them difficult to detect without proper security software. The name suggests it may be related to or utilize .NET (MSIL) frameworks for its operations, but without specific details, it's essential to focus on general removal and security practices.
How Trojan.MSIL.Rubeus.C Operates
Trojan horses, in general, operate by deceiving users into installing them, often by bundling themselves with legitimate software or posing as useful applications. Once installed, they can create backdoors for remote access, allowing attackers to steal sensitive information, install additional malware, or use the infected computer for malicious activities. The exact operational methods of Trojan.MSIL.Rubeus.C may vary, but the end goal is typically to compromise system security and user privacy.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common signs include unexpected changes in system performance, such as slowdowns, increased CPU usage, or frequent crashes. You might also notice unfamiliar programs or icons on your desktop, changes in your browser's homepage or search engine, or pop-ups and unwanted advertisements. Sometimes, the presence of a Trojan may only be discovered through antivirus scans or when the malware starts causing significant disruptions to system functionality.
How to Remove Trojan.MSIL.Rubeus.C
- 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 can vary depending on your operating system version.
- Perform a Full Scan with a Reputable Tool: Utilize a trusted antivirus program, such as SpyHunter, to scan your system thoroughly. Ensure your antivirus software is updated to the latest definitions to improve the chances of detecting and removing the threat.
- 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 Settings: If you use Chrome, Firefox, or Edge, resetting the browser to its default settings can help remove any malicious extensions or changes made by the Trojan.
- Reboot and Re-scan: After taking the above steps, restart your computer and perform another full scan with your antivirus software to ensure that the threat has been fully removed.
Conclusion
Removing Trojan.MSIL.Rubeus.C requires careful and systematic steps to ensure your system is thoroughly cleaned and secured. It's also a good opportunity to review your security practices, such as ensuring your operating system and software are up to date, using strong, unique passwords, and being cautious with email attachments and downloads from the internet. By following the removal steps outlined and maintaining a vigilant approach to cybersecurity, you can protect your system from similar threats in the future and safeguard your personal data.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Rubeus.C |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
5c674985c9b7d9bbaa7c778440141153
SHA1:
37454ab666454660b9ab9564844014bd23e903e3
SHA256:
8371E3D9E4DA898B97BFD007A5CE319DD07E3A2C36E691600DC99806FBBAA7EF
File Size:
273.41 KB, 273408 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 security information
- File is .NET application
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI 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 |
| File Description | Rubeus |
| File Version | 1.0.0.0 |
| Internal Name | Rubeus.exe |
| Legal Copyright | Copyright © 2018 |
| Original Filename | Rubeus.exe |
| Product Name | Rubeus |
| Product Version | 1.0.0.0 |
File Traits
- .NET
- 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: | 525 |
|---|---|
| Potentially Malicious Blocks: | 349 |
| Whitelisted Blocks: | 173 |
| Unknown Blocks: | 3 |
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.- MSIL.Rubeus.A
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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| User Data Access |
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