Trojan.Vidar.Gen.A
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: | 6 |
| First Seen: | December 3, 2025 |
| Last Seen: | December 14, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Vidar.Gen.A 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. In this report, we will provide an overview of Trojan.Vidar.Gen.A, its operating methods, symptoms of infection, and a step-by-step guide on how to remove it from your system.
Table of Contents
What Is Trojan.Vidar.Gen.A?
Trojan.Vidar.Gen.A is a type of Trojan malware, which is a broad category of malicious software that disguises itself as legitimate programs. The name "Trojan" refers to the Trojan Horse from Greek mythology, where a seemingly harmless gift contained a hidden threat. Similarly, Trojan malware appears to be harmless but contains malicious code designed to harm your computer or steal sensitive information. The ".Gen.A" suffix suggests that this is a generalized detection for a specific type of Trojan, indicating that it may not be a well-known or previously identified malware family.
How Trojan.Vidar.Gen.A Operates
Trojan.Vidar.Gen.A, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means, such as downloading software from untrusted sources, opening malicious email attachments, or clicking on links to compromised websites. Once installed, the malware can perform a wide range of malicious activities, including stealing personal data, installing additional malware, or providing unauthorized access to your computer. The exact operations of Trojan.Vidar.Gen.A can vary, but its primary goal is to compromise your system's security and exploit it for malicious purposes.
Symptoms of Infection
Identifying a Trojan.Vidar.Gen.A infection can be challenging, as it often does not display obvious symptoms. However, some common indicators of a Trojan infection include slow system performance, frequent crashes, unexpected pop-ups, and unfamiliar programs or icons on your desktop. You might also notice that your browser settings have changed, or you're being redirected to unwanted websites. In some cases, you might receive alerts from your security software indicating that it has blocked a malicious attempt to access your system.
- Unexplained changes in system settings or browser configurations
- Appearance of unknown programs or files on your computer
- Increased network activity without a clear cause
- System crashes or instability
How to Remove Trojan.Vidar.Gen.A
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access to download removal tools.
- Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system to detect and remove all instances of the malware.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time the malware was detected.
- Reset your web browsers (Google Chrome, Mozilla Firefox, Microsoft Edge) to their default settings to remove any malicious extensions or settings changes made by the malware.
- Reboot your computer and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.
Conclusion
Removing Trojan.Vidar.Gen.A from your system requires careful steps and the use of reputable security tools. It's crucial to stay vigilant and take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when downloading software or opening email attachments from unknown sources. By following the removal guide provided and maintaining good security practices, you can protect your computer and personal data from the threats posed by Trojan.Vidar.Gen.A and other types of malware.
Analysis Report
General information
| Family Name: | Trojan.Vidar.Gen.A |
|---|---|
| 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:
ca006fc96b075894b94019da0842fce2
SHA1:
257a60d08c158377d2419c28381029e73ee18431
SHA256:
5F793BC522BE62E947CA552B5597B4A8DC8846AA09D7AA44E82A53DE3D8232AD
File Size:
580.10 KB, 580096 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 has been packed
- 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)
Show More
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- CryptUnprotectData
- HighEntropy
- No CryptProtectData
- No Version Info
- packed
- VirtualQueryEx
- WriteProcessMemory
- 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: | 404 |
|---|---|
| Potentially Malicious Blocks: | 387 |
| Whitelisted Blocks: | 17 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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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