Trojan.MSIL.Rozena
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: | 8 |
| First Seen: | January 20, 2023 |
| Last Seen: | March 11, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Rozena on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operational characteristics, symptoms of infection, and steps to remove it from your system.
Table of Contents
What Is Trojan.MSIL.Rozena?
Trojan.MSIL.Rozena is a type of malware that can compromise the security and integrity of your computer system. The term "Trojan" refers to a broad category of malicious software that disguises itself as legitimate software, allowing it to infiltrate systems without being detected by traditional security measures. The ".MSIL" part of the name suggests that this malware is written in Microsoft Intermediate Language, which is a platform-agnostic intermediate representation of the .NET Framework.
How Trojan.MSIL.Rozena Operates
Malware like Trojan.MSIL.Rozena typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can perform a variety of malicious activities, including stealing sensitive information, installing additional malware, or providing unauthorized access to the infected system. The specific operations of Trojan.MSIL.Rozena can vary, but its primary goal is to compromise the security of the infected system for the benefit of the attacker.
Symptoms of Infection
Symptoms of a Trojan.MSIL.Rozena infection can be subtle and may not always be immediately apparent. Common indicators of a malware infection include unusual system behavior, such as slow performance, unexpected pop-ups, or changes to system settings without user intervention. Additionally, you might notice that your antivirus software is disabled or that certain security features are no longer functioning as expected. In some cases, the presence of malware may not be noticeable at all, making regular system scans essential for detection.
How to Remove Trojan.MSIL.Rozena
- Enter Safe Mode with Networking to prevent the malware from interfering with the removal process. This mode allows you to access the internet and use certain system features while limiting the ability of malicious software to run.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the malware.
- Uninstall suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only remove programs you are certain are not essential to your system's operation.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings. This can help remove any malicious extensions or settings changes made by the malware.
- Reboot your system and perform another scan to ensure that the malware has been completely removed. This step is crucial as some malware can only be fully eradicated when the system is restarted.
Conclusion
Removing Trojan.MSIL.Rozena from your system requires careful and methodical steps to ensure that all components of the malware are eliminated. It's essential to stay vigilant and regularly scan your system for malware to prevent future infections. Maintaining up-to-date antivirus software, being cautious with email attachments and downloads, and avoiding suspicious websites can significantly reduce the risk of malware infections. By following the steps outlined in this report and practicing good cybersecurity habits, you can help protect your system and personal data from threats like Trojan.MSIL.Rozena.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Rozena |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
94ed2829e102fba25c1daf0da4832af0
SHA1:
a338fc8301540ad4bf061b899f0b04441fefccf0
SHA256:
C9081FA1808328F0319427C39ED583CC1D262B6D4237F22461503D8FB8B286F1
File Size:
23.04 KB, 23040 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- 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)
- 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 | Eternalblue |
| File Version | 1.0.0.0 |
| Internal Name | Eternalblue.exe |
| Legal Copyright | Copyright © 2021 |
| Original Filename | Eternalblue.exe |
| Product Name | Eternalblue |
| Product Version | 1.0.0.0 |
File Traits
- .NET
- 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: | 31 |
|---|---|
| Potentially Malicious Blocks: | 24 |
| Whitelisted Blocks: | 5 |
| Unknown Blocks: | 2 |
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.Metasploit.A
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | �!� � | RegNtPreCreateKey |
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
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| User Data Access |
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| Process Shell Execute |
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| Anti Debug |
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| Process Terminate |
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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.
"cmd.exe" /c ""c:\users\user\downloads\a338fc8301540ad4bf061b899f0b04441fefccf0_0000023040" exploit all"
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WriteConsole: '"c:\users\user\
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WriteConsole: file.
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