Threat Database Trojans Trojan.Vidar.Gen.G

Trojan.Vidar.Gen.G

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 9
First Seen: January 15, 2026
Last Seen: March 10, 2026
OS(es) Affected: Windows

The detection of Trojan.Vidar.Gen.G on your system indicates a potential security threat that requires immediate attention. This detection name suggests a generic identification of a Trojan-type threat, which is a broad category of malware designed to deceive users about its true intent. Trojans are known for their ability to disguise themselves as legitimate software, making them particularly dangerous as they can lead to unauthorized access, data theft, and system compromise.

What Is Trojan.Vidar.Gen.G?

Trojan.Vidar.Gen.G, as a detected threat, falls under the umbrella of Trojan malware. Trojans are malicious programs that can allow an attacker to access your system remotely, steal sensitive information, or disrupt system operation. The ".Gen.G" part of the name typically indicates that it's a generic detection, meaning the antivirus software has identified it as a Trojan based on its behavior or characteristics rather than a specific known malware sample. This type of malware can be particularly dangerous because it can be customized by attackers to perform a wide range of malicious activities.

How Trojan.Vidar.Gen.G Operates

Trojans like Trojan.Vidar.Gen.G usually operate by deceiving users into installing them on their systems. This can happen through various means, such as downloading and executing files from untrusted sources, opening malicious email attachments, or visiting compromised websites. Once installed, the Trojan can create backdoors, allowing remote access to the system. It can also install additional malware, steal personal data, disrupt system performance, or engage in other malicious activities. The specific operations of Trojan.Vidar.Gen.G would depend on its design and the intentions of its creators.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely depending on the malware's purpose. Common indicators include unexpected system crashes, slow performance, unfamiliar programs or icons, unexpected changes in system settings, or the appearance of pop-ups and unwanted software installations. In some cases, there may be no noticeable symptoms at all, as the malware operates stealthily in the background. It's also possible for the malware to mimic the behavior of legitimate programs, making detection by the user more challenging.

How to Remove Trojan.Vidar.Gen.G

  1. Enter Safe Mode with Networking to prevent the malware from loading and to allow for a clean environment to perform removal steps.
  2. Conduct a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the malware.
  3. Uninstall suspicious programs that were installed around the time the malware was detected, as these could be related to the Trojan.
  4. Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. Reboot your system and perform another scan with your anti-malware tool to ensure that all remnants of the malware have been removed.

Conclusion

Removing Trojan.Vidar.Gen.G requires careful and systematic steps to ensure that all components of the malware are eliminated from the system. It's crucial to use reputable security software and follow best practices for malware removal to protect your system and data. After removal, maintaining good security habits, such as keeping software up to date, using strong antivirus protection, and being cautious with email attachments and downloads, can help prevent future infections. Regular system backups and monitoring for unusual system behavior can also aid in early detection and mitigation of potential threats.

Analysis Report

General information

Family Name: Trojan.Vidar.Gen.G
Signature status: No Signature

Known Samples

MD5: c85fec39496b41e5f61aa724dfdc12d5
SHA1: b85a24f7298fd7d0df336f92d2404798b1c3c970
SHA256: 5B005FBEB63D8BC0FD3090898AAFC87D33F4B4032F9A9379E2B519307616E8C5
File Size: 927.23 KB, 927232 bytes
MD5: 761a74eb147a67af959c3e10b636e1c0
SHA1: 162f22b03ca097f2eba2e25048c42847d26dc8fb
SHA256: FDBC68123616530CABB8D74863EA570A2A2C40B37CBC754E12B213B67E11A70C
File Size: 588.80 KB, 588800 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 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • No Version Info
  • VirtualQueryEx
  • x64

Block Information

Total Blocks: 354
Potentially Malicious Blocks: 346
Whitelisted Blocks: 8
Unknown Blocks: 0

Visual Map

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x x 0 x 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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