Trojan.Rozena.XAB
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: | 10,392 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 53 |
| First Seen: | July 16, 2024 |
| Last Seen: | June 23, 2026 |
| OS(es) Affected: | Windows |
Security analysts are tracking a detection identified as Trojan.Rozena.XAB. This classification points to a malicious Windows executable that lacks a valid digital signature, a common trait among unauthorized or suspicious files. Because it operates as a Trojan, this threat relies on deception to infiltrate a system rather than exploiting software vulnerabilities autonomously. Once inside a network or device, it can open the door to further unauthorized activities, making its prompt detection and removal essential for maintaining system integrity and user privacy.
Table of Contents
What Is Trojan.Rozena.XAB?
Trojan.Rozena.XAB is a specific detection name used to identify a malicious Windows PE (Portable Executable) file. PE is the standard format for executables and DLLs in the Windows operating system, meaning this threat is designed specifically to run on Windows environments. A key characteristic of files flagged under this detection is their signature status. The executable carries no valid digital signature. In legitimate software, digital signatures verify the publisher's identity and confirm that the code has not been tampered with since its creation. The absence of a signature indicates that the file was not published through standard, verified developer channels, which is highly typical for unauthorized or maliciously crafted binaries.
How Trojan.Rozena.XAB Operates
As a Trojan, Trojan.Rozena.XAB does not replicate itself like a traditional computer worm. Instead, it relies on social engineering or bundled software tactics to convince a user to execute the payload. Once the unverified PE file is launched, it can establish a foothold on the compromised machine. Trojans of this nature generally operate quietly in the background, often injecting code into legitimate system processes or modifying system settings to ensure persistence across reboots. Because the file lacks a signature, it bypasses standard trust prompts, though it may still require administrative privileges depending on how it is packaged. After execution, the threat may attempt to communicate with remote servers to download additional payloads, exfiltrate sensitive data, or receive commands from an unauthorized operator.
Symptoms of Infection
Identifying a Trojan.Rozena.XAB infection can be challenging because Trojans are designed to remain stealthy. However, users may notice several general indicators of compromise:
- Unexplained system slowdowns: High CPU or memory usage occurring even when no legitimate applications are actively running.
- Network anomalies: Unexpected outbound network traffic, which may indicate that the threat is communicating with a remote server.
- Disabled security tools: Anti-virus programs, firewalls, or system updates being deactivated without user intervention.
- System instability: Frequent application crashes, unresponsive windows, or unexpected system reboots.
- Unfamiliar processes: Suspicious processes running in the Windows Task Manager, often masquerading under legitimate-sounding names.
How to Remove Trojan.Rozena.XAB
To effectively eliminate Trojan.Rozena.XAB from an affected machine, users should follow a structured removal process to ensure all traces of the unverified executable are deleted:
- Boot the computer into Safe Mode with Networking to prevent the malicious executable from loading automatically with Windows.
- Run a full system scan with a reputable anti-malware tool such as SpyHunter to detect and quarantine the unsigned PE file and any associated components.
- Uninstall suspicious or recently added programs from the Windows Control Panel or Settings app that may have bundled the Trojan.
- Reset Google Chrome, Mozilla Firefox, and Microsoft Edge to their default settings to clear any malicious extensions, startup pages, or altered proxy configurations.
- Reboot the computer normally and run a second, final anti-malware scan to confirm that the threat has been completely removed.
Conclusion
Trojan.Rozena.XAB represents a serious security risk due to its nature as an unsigned Windows PE executable. The lack of a digital signature is a clear warning sign that the file has not been vetted by a trusted authority, and its behavior as a Trojan means it can facilitate deeper system compromises if left unchecked. By understanding how this threat operates and following a thorough removal protocol, users can restore their systems to a secure state. Maintaining proactive security habits, such as avoiding unverified downloads and keeping system protections active, remains the best defense against similar unauthorized executables in the future.
Analysis Report
General information
| Family Name: | Trojan.Rozena.XAB |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
d1ab24c9330f686ddebaf65c858c1d87
SHA1:
001c376fb79efc428a6884ce482d59c12b06b244
SHA256:
8DA0817B24224D656B02BFF299A48F67C979F2232D108CFAECFBEEBB08F5C735
File Size:
2.00 MB, 1999872 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have security information
- File is 32-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)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
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 |
|---|---|
| Comments | Notepad2 |
| Company Name | Florian Balmer et al. |
| File Description | Notepad2 Text Editor |
| File Version | 4.23.04.4766 |
| Internal Name | Notepad2 |
| Legal Copyright | © 2004-2023 Florian Balmer and all contributors |
| Original Filename | Notepad2.exe |
| Product Name | Notepad2 |
| Product Version | 4.23.04.4766 |
File Traits
- HighEntropy
- imgui
- 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: | 2,326 |
|---|---|
| Potentially Malicious Blocks: | 1,238 |
| Whitelisted Blocks: | 1,078 |
| Unknown Blocks: | 10 |
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.- Rozena.XAB
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 |
|---|---|
| Anti Debug |
|
| User Data Access |
|
