Trojan.Stealer.CLA
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: | 3,868 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 142 |
| First Seen: | November 13, 2025 |
| Last Seen: | July 18, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Stealer.CLA 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 mechanisms, symptoms of infection, and most importantly, steps to remove it from your system.
Table of Contents
What Is Trojan.Stealer.CLA?
Trojan.Stealer.CLA is identified as a Trojan-type threat, which is a broad category of malware designed to deceive users into installing it on their systems. Unlike viruses, Trojans do not replicate themselves but can cause significant harm by stealing sensitive information, installing additional malware, or providing unauthorized access to the infected system. The name "Trojan.Stealer.CLA" suggests that it may have capabilities to steal information, but without specific details, it's crucial to approach the situation with caution and follow general guidelines for removal.
How Trojan.Stealer.CLA Operates
Trojan-type threats, including Trojan.Stealer.CLA, typically operate by disguising themselves as legitimate software or attachments. Once installed, they can execute a variety of malicious actions, including but not limited to, data theft, keylogging, and the installation of additional malware. These threats often exploit vulnerabilities in the system or in user behavior, such as opening suspicious emails or downloading software from untrusted sources. The exact operational mechanisms of Trojan.Stealer.CLA are not specified, but it's essential to understand that Trojans can be highly versatile and dangerous.
Symptoms of Infection
Symptoms of a Trojan infection can vary widely depending on the specific actions the malware is designed to perform. Common indicators include unusual system behavior, such as slow performance, frequent crashes, or the appearance of unwanted programs or toolbars. Users may also notice that their personal data is being stolen or misused, such as unauthorized transactions or changes to account settings. However, some Trojans are designed to operate stealthily, making them difficult to detect without the use of security software.
How to Remove Trojan.Stealer.CLA
- Boot into Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to work in.
- Perform a Full Scan with a Reputable Tool: Utilize a trusted anti-malware program, such as SpyHunter, to scan your system thoroughly. This can help identify and remove the Trojan and any associated malware.
- Uninstall Suspicious Programs: Go through your installed programs and remove any that you do not recognize or that were installed around the time the infection was detected.
- Reset Your Web Browsers: Resetting browsers like Chrome, Firefox, or Edge can help remove any malicious extensions or settings that the Trojan may have altered.
- Reboot and Re-scan: After taking the above steps, reboot your system and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
The removal of Trojan.Stealer.CLA requires careful and methodical steps to ensure that the threat is fully eradicated from your system. By understanding the nature of Trojan-type threats and following the removal guidelines provided, you can significantly reduce the risk of further damage. It's also crucial to adopt preventive measures, such as keeping your operating system and software up to date, using strong antivirus protection, and practicing safe computing habits, to minimize the risk of future infections.
Analysis Report
General information
| Family Name: | Trojan.Stealer.CLA |
|---|---|
| Signature status: | Self Signed |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
50e4842ea92f74b2c82426ff562e2ccd
SHA1:
77791214b5dd1e05606895983e086aef6cb56e37
SHA256:
1D30213F461B5A48B7B230C926F8D83455B0EDC4AB636140170F7B86C2EDB3CC
File Size:
4.76 MB, 4758688 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 relocations information
- File is 32-bit executable
- File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
- File is either console or GUI application
- 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)
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 |
|---|---|
| File Version | 1, 0, 0, 3 |
| Internal Name | WizSvcUt |
| Legal Copyright | Copyright (C) 2015 |
| Original Filename | WizSvcUt.exe |
| Product Name | WizSvcUt Application |
| Product Version | 1, 0, 0, 3 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| WIZVERA Co., Ltd. | DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1 | Self Signed |
File Traits
- 2+ executable sections
- 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: | 5,089 |
|---|---|
| Potentially Malicious Blocks: | 1,752 |
| Whitelisted Blocks: | 3,337 |
| 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.- Stealer.CLA
