Trojan.Coinminer.CZA
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: | 2 |
| First Seen: | December 23, 2025 |
| Last Seen: | April 8, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Coinminer.CZA indicates that your system has been compromised by a potentially malicious program. This type of threat is designed to operate covertly, making it challenging to detect without the aid of security software. It is essential to understand the nature of this threat and take immediate action to remove it and prevent further damage.
Table of Contents
What Is Trojan.Coinminer.CZA?
Trojan.Coinminer.CZA is a type of Trojan horse malware that is primarily designed to hijack system resources for cryptocurrency mining. The name suggests that it may be related to coin mining activities, but the exact nature and capabilities of this specific threat are not well-documented. Trojans, in general, are malicious programs that disguise themselves as legitimate software, allowing them to bypass security measures and gain unauthorized access to a system.
How Trojan.Coinminer.CZA Operates
Once installed on a system, Trojan.Coinminer.CZA can operate in various ways, depending on its intended purpose. It may connect to a command and control server to receive updates or instructions, allowing it to evolve and adapt to evade detection. The primary goal of this malware appears to be the exploitation of system resources, such as CPU and GPU power, to mine cryptocurrency without the user's knowledge or consent. This can lead to significant performance degradation, increased power consumption, and potential system instability.
Symptoms of Infection
Systems infected with Trojan.Coinminer.CZA may exhibit several symptoms, including but not limited to, slow performance, overheating, and increased fan activity. Users may also notice unusual network activity, unexpected crashes, or freezes. In some cases, the malware may attempt to disable security software or interfere with system updates to maintain its presence on the system. It is crucial to be vigilant and monitor system behavior for any signs of suspicious activity.
- Unexplained increases in CPU or GPU usage
- Slow system performance or responsiveness
- Increased power consumption or heat generation
- Unusual network activity or unfamiliar processes
How to Remove Trojan.Coinminer.CZA
- Boot your system in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove 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 potential malware components.
- Reboot your system and perform another full scan to ensure that all remnants of the malware have been removed.
Conclusion
The removal of Trojan.Coinminer.CZA requires a thorough and multi-step approach to ensure that all components of the malware are eliminated. It is essential to remain vigilant and monitor system behavior for any signs of suspicious activity. By following the steps outlined above and maintaining up-to-date security software, you can help protect your system from future infections and prevent the potential consequences of malware attacks.
Analysis Report
General information
| Family Name: | Trojan.Coinminer.CZA |
|---|---|
| Signature status: | Self Signed |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
c36bd26bb6f88628f6e72765420250c3
SHA1:
01857ea1f19c1666512fbeccb3fb84d8bee69a53
SHA256:
B3A2951C021AF83EB51BE5D4171D51BC1141F0C24A5ED13DA58ADB49948CCF29
File Size:
1.34 MB, 1339392 bytes
|
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MD5:
4afba3c28defd61207c9172a8ae0a59a
SHA1:
3a48214b940482e304bbb69cb03b3be5e32604b0
SHA256:
7830E9AC7404D1B70A0FD88BD86DDD12965C5A9D6158CED95B0126897E914526
File Size:
66.78 KB, 66784 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 doesn't have security information
- File is 64-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
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- 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 |
|---|---|
| Company Name | Microsoft Corporation |
| File Description | Microsoft OneDrive |
| File Version | 24.040.0224.0003 |
| Internal Name | OneDriveStandaloneUpdater |
| Legal Copyright | ? Microsoft Corporation. All rights reserved. |
| Original Filename | OneDriveStandaloneUpdater.exe |
| Product Name | Microsoft OneDrive |
| Product Version | 24.040.0224.0003 |
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 |
|---|---|---|
| Microsoft Corporation | Microsoft Corporation | Self Signed |
File Traits
- 2+ executable sections
- HighEntropy
- 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: | 3 |
|---|---|
| Potentially Malicious Blocks: | 2 |
| Whitelisted Blocks: | 1 |
| 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.- CoinMiner.ZA
- Coinminer.CZA
- Exploit.X
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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