Threat Database Trojans Trojan.Downloader.Gen.HD

Trojan.Downloader.Gen.HD

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 20,446
Threat Level: 80 % (High)
Infected Computers: 4
First Seen: December 26, 2025
Last Seen: June 1, 2026
OS(es) Affected: Windows

The detection of Trojan.Downloader.Gen.HD on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to download and install additional malicious software on your computer, which can lead to a range of problems, including data theft, system compromise, and performance issues. In this report, we will provide an overview of the Trojan.Downloader.Gen.HD threat, its operating methods, symptoms of infection, and steps to remove it from your system.

What Is Trojan.Downloader.Gen.HD?

Trojan.Downloader.Gen.HD is a type of Trojan horse malware that is designed to download and install additional malicious software on your computer. The ".Gen" suffix in the detection name indicates that it is a generic detection, meaning that it is a broad category of malware rather than a specific variant. Trojan horses are a type of malware that disguise themselves as legitimate software, but actually contain malicious code. They can be used to gain unauthorized access to your system, steal sensitive information, or disrupt system operation.

How Trojan.Downloader.Gen.HD Operates

Trojan.Downloader.Gen.HD operates by exploiting vulnerabilities in your system or tricking you into installing it. Once installed, it can download and install additional malware, including viruses, spyware, and adware. This can lead to a range of problems, including system crashes, slow performance, and data theft. The malware can also communicate with its creators, allowing them to control your system and steal sensitive information.

Symptoms of Infection

The symptoms of a Trojan.Downloader.Gen.HD infection can vary, but common signs include slow system performance, frequent crashes, and unexpected pop-ups or ads. You may also notice that your system is behaving erratically, or that your personal data is being stolen. In some cases, the malware may not exhibit any obvious symptoms, making it difficult to detect without the use of anti-virus software.

How to Remove Trojan.Downloader.Gen.HD

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
  2. Use a reputable anti-virus tool, such as SpyHunter, to perform a full scan of your system and remove any detected malware.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malware-related extensions or add-ons.
  5. Reboot your system and perform a follow-up scan to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.Downloader.Gen.HD from your system requires careful attention to detail and the use of reputable anti-virus software. By following the steps outlined in this report, you can help to ensure that your system is free from malware and that your personal data is protected. It is also important to practice safe computing habits, including avoiding suspicious downloads and emails, and keeping your operating system and software up to date. By taking these precautions, you can help to prevent future malware infections and protect your system from potential threats.

Analysis Report

General information

Family Name: Trojan.Downloader.Gen.HD
Signature status: No Signature

Known Samples

MD5: 423cf5ddbe13df64594385b8fd519cc7
SHA1: 6e3f455ca292e71461056b899b3e99b604309c65
SHA256: 165C77E0CB3FC6551BABC2DE99E0C5182FB86E20AC3354DA7AE980B580721049
File Size: 8.35 MB, 8346112 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 resources
  • File doesn't have security information
  • File is 64-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
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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)

File Traits

  • golang
  • HighEntropy
  • No Version Info
  • Pastebin
  • x64

Block Information

Total Blocks: 12,078
Potentially Malicious Blocks: 4
Whitelisted Blocks: 12,074
Unknown Blocks: 0

Visual Map

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... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Brute.PVA
  • Brute.PVF
  • Trojan.Downloader.Gen.CK
  • Trojan.Downloader.Gen.CN
  • Trojan.Downloader.Gen.EU
Show More
  • Trojan.Downloader.Gen.HD

Files Modified

File Attributes
\device\namedpipe\dav rpc service Generic Read,Write Data,Write Attributes,Write extended,Append data
\device\namedpipe\pshost.134123570125158669.8072.defaultappdomain.powershell Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288
\device\namedpipe\wkssvc Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\microsoft\windows\powershell\startupprofiledata-noninteractive Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_fgodbsus.u1v.ps1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_k0jtzkzk.wmn.psm1 Generic Write,Read Attributes

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAllocateLocallyUniqueId
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtAlpcSetInformation
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
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  • ntdll.dll!NtCancelTimer2
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCompareSigningLevels
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtCreateTimer
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDelayExecution
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtFsControlFile
  • ntdll.dll!NtGetCachedSigningLevel
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryObject
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySymbolicLinkObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtQueueApcThreadEx2
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRemoveIoCompletion
  • ntdll.dll!NtRemoveIoCompletionEx
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationObject
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetIoCompletion
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSetTimerEx
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl

12 additional items are not displayed above.

Network Winsock2
  • WSAGetOverlappedResult
  • WSASocket
  • WSAStartup
  • WSAttemptAutodialName
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Network Info Queried
  • GetAdaptersAddresses
Network Winsock
  • bind
  • closesocket
  • freeaddrinfo
  • getaddrinfo
  • socket
User Data Access
  • GetUserDefaultLocaleName
  • GetUserName
  • GetUserNameEx
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Other Suspicious
  • AdjustTokenPrivileges
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe powershell -Command "Add-Type -AssemblyName System.Windows.Forms

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