Threat Database Trojans Trojan.Vidar.Gen.B

Trojan.Vidar.Gen.B

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 8,445
Threat Level: 80 % (High)
Infected Computers: 50
First Seen: December 18, 2025
Last Seen: July 7, 2026
OS(es) Affected: Windows

The detection of Trojan.Vidar.Gen.B 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 is essential to take steps to remove it as soon as possible. In this report, we will provide an overview of what Trojan.Vidar.Gen.B is, how it operates, the symptoms of infection, and the steps you can take to remove it from your system.

What Is Trojan.Vidar.Gen.B?

Trojan.Vidar.Gen.B is a type of Trojan horse malware that can infect your computer and compromise its security. Trojan horses are malicious programs that disguise themselves as legitimate software, allowing them to bypass security measures and gain access to your system. Once inside, they can cause a range of problems, including data theft, system crashes, and the installation of additional malware.

How Trojan.Vidar.Gen.B Operates

Trojan horses like Trojan.Vidar.Gen.B typically operate by exploiting vulnerabilities in software or tricking users into installing them. They can be spread through various means, including email attachments, infected software downloads, and compromised websites. Once installed, they can connect to a command and control server to receive instructions and transmit stolen data. They may also install additional malware or create backdoors to allow remote access to your system.

Symptoms of Infection

The symptoms of a Trojan.Vidar.Gen.B infection can vary, but common signs include slow system performance, unexpected pop-ups and ads, and unfamiliar programs or icons on your desktop. You may also experience system crashes, freezes, or errors, and your antivirus software may detect and alert you to the presence of malware. If you suspect that your system is infected, it is essential to take immediate action to remove the malware and prevent further damage.

How to Remove Trojan.Vidar.Gen.B

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and run a full scan to detect and remove Trojan.Vidar.Gen.B and any associated malware.
  3. Uninstall any suspicious programs or applications that you do not recognize or that were installed without your knowledge or consent.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your computer and run another full scan with your anti-malware tool to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.Vidar.Gen.B from your system requires careful attention to detail and a thorough understanding of the malware removal process. By following the steps outlined in this report, you can help to ensure that your system is clean and secure. It is also essential to take steps to prevent future infections, including keeping your operating system and software up to date, using strong antivirus software, and being cautious when downloading and installing programs or opening email attachments from unknown sources. By taking these precautions, you can help to protect your system and your personal data from the threats posed by Trojan.Vidar.Gen.B and other types of malware.

Analysis Report

General information

Family Name: Trojan.Vidar.Gen.B
Packers: UPX x64
Signature status: No Signature

Known Samples

MD5: c3cad5c673e2b190e7cda997377965f6
SHA1: c5882a192f298d1f69ca2bc637452daba692e1b9
SHA256: 59D896C37ABDA71D5321D121EC682BC058CE590A049418118D81F68235A54628
File Size: 171.01 KB, 171008 bytes
MD5: eed4b3e2961849bfc9946a01c58149b7
SHA1: 2c100ea11ba0e6e2b16a91f473a646226ebed4c7
SHA256: C27018BC8EBC4384941F642A88BB5355EC7F2BF94B8D94BA6F1EDE008B4AC07E
File Size: 171.01 KB, 171008 bytes
MD5: e226f9ac6b062ca0af4b2b75316de0f2
SHA1: 81ef220ffacbb6f0b18adf8a7f9d30ee145bf33b
SHA256: 67E69F4D9F3E406A05755B547750A15AB7245471A0193325FC755AAC7EFE68F7
File Size: 171.01 KB, 171008 bytes
MD5: db409cb20e82dcf9c386f8e896632760
SHA1: e89ce942504f7544159c17362973ca9307adefff
SHA256: 4412691FB97F2C13ADC61B1B4BF4DD6E34D1E10CD8E1F65398921F3F9DF569AC
File Size: 171.01 KB, 171008 bytes
MD5: 0db3c9f322da1b0377c391578726b8cf
SHA1: 139b7ccd9d9f1aabb17a8f94f43bd14403ab535e
SHA256: D8DBCBC2EC0EAC366A9C7A8F106CFAB4A852D4C4CEE81EB0A58396B78BB2B9AF
File Size: 203.26 KB, 203264 bytes
Show More
MD5: 219774120eb5f893529439d9167c9ddd
SHA1: d3139429639175171d53b45ec76835f6789726aa
SHA256: E44A828342C78D5C775A6DAC6DF5401374736D043CA2826A6BB2DFC83DD51689
File Size: 203.26 KB, 203264 bytes
MD5: 1c82b3f9c7c6c6469240aace544aa23f
SHA1: ce8f5823ba02e07b60ff7cf10965ce26ad5fd138
SHA256: D701F8948418C44F2E4D26D131B379B124D0AB178FEA25C3A75F6C722166DC15
File Size: 224.26 KB, 224256 bytes
MD5: 2ddd2dd3ef25527fd3ad1701bc65dac1
SHA1: 95b4844a69cc868bae9947aba827664bc223cbb4
SHA256: 3F04558DAB06E6824E3B3A94DC4355C71E9FFE12BC993BAA1CF4D54E90E1B707
File Size: 224.26 KB, 224256 bytes
MD5: 10406de42030bd32450ee3086fb33d90
SHA1: e833a4ea1a2130f6572aac1ca0bcacc6001500b1
SHA256: 483C85415419F169CBBCCE7CC00E85D7E92476C43E8B2DCD71B6DD51D6CB0E96
File Size: 227.84 KB, 227840 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 resources
  • 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)
Show More
  • 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 Traits

  • CryptUnprotectData
  • HighEntropy
  • No CryptProtectData
  • No Version Info
  • packed
  • VirtualQueryEx
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 184
Potentially Malicious Blocks: 130
Whitelisted Blocks: 3
Unknown Blocks: 51

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 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 ? 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 0 ?
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

Related Posts

Trending

Most Viewed

Loading...