Threat Database Backdoors Backdoor.Agent.WZA

Backdoor.Agent.WZA

By CagedTech in Backdoors

Threat Scorecard

Threat Level: 60 % (Medium)
Infected Computers: 1
First Seen: November 15, 2024
Last Seen: August 9, 2025
OS(es) Affected: Windows

The detection of Backdoor.Agent.WZA on your system indicates a potential security threat that requires immediate attention. This backdoor threat can compromise the security and integrity of your computer, allowing unauthorized access and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Backdoor.Agent.WZA?

Backdoor.Agent.WZA is a type of malware that creates a covert communication channel between your computer and a remote server, allowing hackers to access and control your system without your knowledge or consent. This backdoor can be used to steal sensitive information, install additional malware, or disrupt the normal functioning of your computer. The exact mechanisms and intentions behind Backdoor.Agent.WZA may vary, but its presence is a clear indication of a security breach.

How Backdoor.Agent.WZA Operates

Backdoor threats like Backdoor.Agent.WZA typically operate by exploiting vulnerabilities in software or using social engineering tactics to trick users into installing them. Once installed, they can communicate with their command and control servers to receive instructions, which may include downloading and installing additional malware, stealing data, or using the infected computer as part of a botnet for distributed denial-of-service (DDoS) attacks or spamming. The operation of Backdoor.Agent.WZA is designed to be stealthy, making it challenging for users to detect its presence without the aid of security software.

Symptoms of Infection

Symptoms of a Backdoor.Agent.WZA infection can be subtle and may not always be immediately apparent. However, common indicators include unusual network activity, slow system performance, unexpected changes to system settings, and the appearance of unfamiliar programs or files. In some cases, the infection may also lead to crashes, freezes, or the failure of certain applications to function correctly. Given the stealthy nature of backdoor threats, it's possible for a system to be infected without displaying any noticeable symptoms, highlighting the importance of regular security scans.

How to Remove Backdoor.Agent.WZA

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to gain better control over your system.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the backdoor threat and any associated malware.
  3. Uninstall any recently installed programs that you do not recognize or that were installed around the time the infection was detected. This can help remove any potential sources of the malware.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that the threat has been successfully removed.

Conclusion

The removal of Backdoor.Agent.WZA requires careful and thorough action to ensure that all components of the malware are eliminated from your system. It's also crucial to take preventive measures to avoid future infections, including keeping your operating system and software up to date, using strong and unique passwords, being cautious with email attachments and links, and regularly scanning your system with reputable security software. By understanding the nature of backdoor threats and taking proactive steps, you can significantly reduce the risk of infection and protect your digital security.

Analysis Report

General information

Family Name: Backdoor.Agent.WZA
Signature status: Self Signed

Known Samples

MD5: c7996e20b361d8df7f6e31070fd33ee3
SHA1: 4755cd8c3ee33398536c7eac411f1182ff348dcd
SHA256: E326A557963AD281EEA62FB81ABA8EF2AB274AC7B8605CA4EA5EEAD418DA2570
File Size: 3.68 MB, 3679200 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File has exports table
  • File has TLS 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)

Digital Signatures

Signer Root Status
Epic Games Inc. Epic Games Inc. Self Signed

File Traits

  • dll
  • fptable
  • HighEntropy
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 6,633
Potentially Malicious Blocks: 125
Whitelisted Blocks: 6,441
Unknown Blocks: 67

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
Show More
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenMutant
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtGdiAnyLinkedFonts
  • win32u.dll!NtGdiBitBlt
  • win32u.dll!NtGdiComputeXformCoefficients
  • win32u.dll!NtGdiCreateBitmap
  • win32u.dll!NtGdiCreateCompatibleBitmap
  • win32u.dll!NtGdiCreateCompatibleDC
  • win32u.dll!NtGdiCreateDIBitmapInternal
  • win32u.dll!NtGdiCreateRectRgn
  • win32u.dll!NtGdiCreateSolidBrush
  • win32u.dll!NtGdiDeleteObjectApp
  • win32u.dll!NtGdiDoPalette
  • win32u.dll!NtGdiExcludeClipRect
  • win32u.dll!NtGdiExtGetObjectW
  • win32u.dll!NtGdiExtSelectClipRgn
  • win32u.dll!NtGdiExtTextOutW
  • win32u.dll!NtGdiFontIsLinked
  • win32u.dll!NtGdiGetCharABCWidthsW
  • win32u.dll!NtGdiGetDCDword
  • win32u.dll!NtGdiGetDCObject
  • win32u.dll!NtGdiGetDeviceCaps
  • win32u.dll!NtGdiGetDIBitsInternal
  • win32u.dll!NtGdiGetFontData
  • win32u.dll!NtGdiGetGlyphIndicesW
  • win32u.dll!NtGdiGetOutlineTextMetricsInternalW
  • win32u.dll!NtGdiGetRandomRgn
  • win32u.dll!NtGdiGetRealizationInfo
  • win32u.dll!NtGdiGetTextCharsetInfo
  • win32u.dll!NtGdiGetTextExtentExW
  • win32u.dll!NtGdiGetTextFaceW
  • win32u.dll!NtGdiGetTextMetricsW
  • win32u.dll!NtGdiGetWidthTable

78 additional items are not displayed above.

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