Trojan.Ulise.AJ
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: | 4 |
| First Seen: | September 16, 2021 |
| Last Seen: | April 17, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Ulise.AJ 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, and it's essential to understand its nature and take steps to remove it.
Table of Contents
What Is Trojan.Ulise.AJ?
Trojan.Ulise.AJ is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. The name "Trojan.Ulise.AJ" suggests that it is a unique variant of Trojan horse malware, but its specific characteristics and behaviors may not be immediately apparent. Trojan horses are often used to gain unauthorized access to a computer system, steal sensitive information, or disrupt normal system operation.
How Trojan.Ulise.AJ Operates
Like other Trojan horses, Trojan.Ulise.AJ is likely designed to operate stealthily, avoiding detection by security software and system administrators. It may use various techniques to evade detection, such as code obfuscation, encryption, or exploiting vulnerabilities in system software. Once installed, it may communicate with its command and control servers to receive instructions, transmit stolen data, or download additional malware components.
Trojan.Ulise.AJ may also use social engineering tactics to trick users into installing or executing the malware. This can include phishing emails, infected software downloads, or exploited vulnerabilities in web browsers or other applications. The malware may also use legitimate system processes or files to disguise its malicious activities, making it more challenging to detect and remove.
Symptoms of Infection
Systems infected with Trojan.Ulise.AJ may exhibit a range of symptoms, including unusual system behavior, slow performance, or frequent crashes. You may also notice unexpected pop-ups, ads, or browser redirects, which can indicate that the malware is communicating with its command and control servers or attempting to steal sensitive information. In some cases, the malware may also create unauthorized user accounts, modify system settings, or install additional malware components.
- Unexplained changes to system settings or configuration
- Unexpected pop-ups, ads, or browser redirects
- Frequent system crashes or slow performance
- Unusual network activity or communication with unknown servers
How to Remove Trojan.Ulise.AJ
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full system scan and detect all instances of the malware.
- Uninstall any suspicious programs or applications that may be related to the malware.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your system and perform another full system scan to ensure that all instances of the malware have been removed.
Conclusion
Removing Trojan.Ulise.AJ from your system requires careful attention to detail and a thorough understanding of the malware's behavior and characteristics. By following the steps outlined above and using reputable anti-malware tools, you can help to ensure the complete removal of the malware and prevent future infections. It's essential to remain vigilant and proactive in maintaining your system's security, including keeping your operating system and software up to date, using strong passwords, and avoiding suspicious downloads or email attachments.
Analysis Report
General information
| Family Name: | Trojan.Ulise.AJ |
|---|---|
| Packers: | UPX x64 |
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
889206fb0b9c9471fc03ffcec7913577
SHA1:
80ab2dc6d33c9f9b2140312d4fdf65ee3aee083e
SHA256:
A6DB3CD3CAA9C483EB8FB910D7E6D2513C84523B8170DAE17E5E4933ED736AA8
File Size:
46.94 KB, 46936 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have relocations information
- File doesn't have security information
- File has been packed
- File has exports table
- File has TLS information
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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- File is Native application (NOT .NET application)
- 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 |
|---|---|
| Company Name | Microsoft Corporation |
| File Description | Microsoft Windows Spooler |
| File Version | 4.0.0.0 |
| Internal Name | Server |
| Legal Copyright | © Microsoft Corporation. All rights reserved. |
| Original Filename | Server.exe |
| Product Version | 4.0.0 |
File Traits
- packed
- 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: | 441 |
|---|---|
| Potentially Malicious Blocks: | 62 |
| Whitelisted Blocks: | 379 |
| Unknown Blocks: | 0 |
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.- Ulise.AJ
- Vemptik.A
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:\autorun.inf | Generic Write,Read Attributes |
| c:\recycle.bin | Synchronize,Write Attributes |
| c:\recycle.bin\rundll32.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\recycle.bin\rundll32.exe | Generic Write,Read Attributes |
| c:\recycle.bin\rundll32.exe | Generic Write,Read Attributes,Delete,LEFT 262144 |
| c:\recycle.bin\rundll32.exe | Generic Write,Read Attributes,LEFT 262144 |
| c:\recycle.bin\rundll32.exe | Generic Write,Read Data,Read Attributes |
| c:\recycle.bin\rundll32.exe | Generic Write,Read Data,Read Attributes,Delete,LEFT 262144 |
| c:\recycle.bin\rundll32.exe | Generic Write,Read Data,Read Attributes,LEFT 262144 |
| c:\recycle.bin\rundll32.exe | Synchronize,Write Attributes |
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| c:\users\winlogon.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\users\winlogon.exe | 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 |
|---|---|---|
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKLM\software\system\currentcontrolset\control\terminal server::fdenytsconnections | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\runonce::explorer | C:\Users\winlogon.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 |
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| Other Suspicious |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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| User Data Access |
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| Anti Debug |
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| Service Control |
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| Network Winsock2 |
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| Network Winsock |
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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.
C:\Users\winlogon.exe
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open net.exe user Wbcetesj Arashjeyjey
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