Threat Database Worms Worm.Stuxnet.A

Worm.Stuxnet.A

By CagedTech in Worms

Threat Scorecard

Threat Level: 50 % (Medium)
Infected Computers: 3
First Seen: May 10, 2022
Last Seen: September 27, 2025
OS(es) Affected: Windows

The detection of Worm.Stuxnet.A on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the issue and guide you through the removal process. It's essential to address this problem promptly to prevent any further damage or unauthorized access to your system.

What Is Worm.Stuxnet.A?

Worm.Stuxnet.A is a type of malware that can spread from system to system, potentially causing harm by replicating itself and exploiting vulnerabilities. Malware of this nature can lead to a variety of issues, including data theft, system crashes, and unauthorized access to sensitive information. Understanding the nature of the threat is crucial in taking the appropriate steps to secure your system and protect your data.

How Worm.Stuxnet.A Operates

Malware like Worm.Stuxnet.A typically operates by exploiting weaknesses in software or user behavior to gain access to a system. Once inside, it can spread to other parts of the system or even to other connected devices. The exact mechanisms can vary, but common methods include phishing attacks, drive-by downloads, or exploitation of unpatched vulnerabilities in software. The malware may then install additional malicious components, modify system settings, or steal sensitive information.

Symptoms of Infection

Symptoms of an infection can be subtle or overt, depending on the malware's design and purpose. Common signs include unexpected system crashes, slow performance, unfamiliar programs or icons, and unusual network activity. Sometimes, the presence of malware may not be immediately apparent, which is why regular system checks and updates are crucial for maintaining security. If you suspect your system has been compromised, it's vital to take action to remove the threat and prevent further damage.

How to Remove Worm.Stuxnet.A

  1. Boot your system into Safe Mode with Networking. This will help prevent the malware from loading and give you a cleaner environment to work in.
  2. Download and run a full scan with a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to improve the chances of detecting and removing the malware.
  3. Uninstall any suspicious programs or applications that you do not recognize or no longer need. Be cautious and only remove items you are certain are not essential to your system's operation.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help 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 the threat has been fully removed. Repeat this process if necessary until no threats are detected.

Conclusion

Dealing with malware infections like Worm.Stuxnet.A requires a combination of immediate action and long-term vigilance. By understanding how malware operates and taking the steps outlined above, you can significantly reduce the risk of infection and protect your system and data. Remember, prevention is key: keep your software up to date, use strong, unique passwords, and be cautious when clicking on links or downloading attachments from unknown sources. Regular system scans and backups can also help in early detection and recovery from potential threats. Stay informed and proactive to maintain a secure computing environment.

Analysis Report

General information

Family Name: Worm.Stuxnet.A
Signature status: No Signature

Known Samples

MD5: 7ce47f8d38e2426c82be5429d944a94d
SHA1: de64367c64da30547970b3bcede4c0dbf8821049
SHA256: 6FFEC918D8C091AA6379A4AABF85C2A808DBB362B9B38CEADCA9DD0046217FB8
File Size: 517.63 KB, 517632 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have resources
  • File doesn't have security information
  • File has exports table
  • File is 32-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
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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

  • dll
  • HighEntropy
  • x86

Block Information

Total Blocks: 37
Potentially Malicious Blocks: 26
Whitelisted Blocks: 11
Unknown Blocks: 0

Visual Map

0 x x 0 x 1 x x x x x x x x x x 0 0 0 0 x x x x x x 0 0 0 x x x x 0 x x x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Stuxnet.A

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
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  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • 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!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtGdiBitBlt
  • win32u.dll!NtGdiCreateBitmap
  • win32u.dll!NtGdiCreateCompatibleDC
  • win32u.dll!NtGdiCreateDIBitmapInternal
  • win32u.dll!NtGdiCreateSolidBrush
  • win32u.dll!NtGdiDeleteObjectApp
  • win32u.dll!NtGdiExtGetObjectW
  • win32u.dll!NtGdiGetDCforBitmap
  • win32u.dll!NtGdiGetDCObject
  • win32u.dll!NtGdiGetDeviceCaps
  • win32u.dll!NtGdiRestoreDC
  • win32u.dll!NtGdiSaveDC
  • win32u.dll!NtGdiSelectBitmap
  • win32u.dll!NtGdiSetDIBitsToDeviceInternal
  • win32u.dll!NtUserBuildHwndList
  • win32u.dll!NtUserCallTwoParam
  • win32u.dll!NtUserCreateEmptyCursorObject
  • win32u.dll!NtUserCreateWindowEx
  • win32u.dll!NtUserDestroyWindow
  • win32u.dll!NtUserFindExistingCursorIcon
  • win32u.dll!NtUserGetAncestor
  • win32u.dll!NtUserGetAtomName
  • win32u.dll!NtUserGetClassInfoEx
  • win32u.dll!NtUserGetClassName
  • win32u.dll!NtUserGetDC
  • win32u.dll!NtUserGetGUIThreadInfo
  • win32u.dll!NtUserGetIconInfo
  • win32u.dll!NtUserGetIconSize
  • win32u.dll!NtUserGetImeInfoEx
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetObjectInformation
  • win32u.dll!NtUserGetProcessWindowStation
  • win32u.dll!NtUserGetProp
  • win32u.dll!NtUserGetThreadDesktop
  • win32u.dll!NtUserGetThreadState
  • win32u.dll!NtUserGetWindowCompositionAttribute
  • win32u.dll!NtUserIsNonClientDpiScalingEnabled
  • win32u.dll!NtUserIsTopLevelWindow
  • win32u.dll!NtUserMessageCall
  • win32u.dll!NtUserMsgWaitForMultipleObjectsEx
  • win32u.dll!NtUserPeekMessage
  • win32u.dll!NtUserRegisterClassExWOW
  • win32u.dll!NtUserRegisterWindowMessage

9 additional items are not displayed above.

Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe "C:\WINDOWS\SysWOW64\rundll32.exe" "C:\WINDOWS\SysWOW64\shell32.dll",#44 "c:\users\user\downloads\de64367c64da30547970b3bcede4c0dbf8821049_0000517632."

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