Autoruns 64 Vs Autoruns 64a -

Autoruns 64 vs Autoruns 64a: Uncovering the Differences and Choosing the Right Tool for Your Needs

| File | Architecture | Target Platform | | :--- | :--- | :--- | | autoruns.exe | x86 (32-bit) | Any Windows (via WoW64 on 64-bit) | | autoruns64.exe | x64 (AMD64 / Intel 64) | Traditional 64-bit desktops/servers (Intel/AMD) | | autoruns64a.exe | ARM64 | Windows on ARM (Snapdragon, Apple M1/M2/M3 via Parallels/VM, Surface Pro X/9/11) | autoruns 64 vs autoruns 64a

. This version is specifically built for devices with ARM-based processors, such as the Microsoft Surface Pro X or newer laptops using Snapdragon chips. Microsoft Learn Which one should you use? Autoruns 64 vs Autoruns 64a: Uncovering the Differences

The Catch – Driver & Kernel Mode Scanning

If you are analyzing kernel drivers:

The key informative feature here is that autoruns64a helps in troubleshooting and understanding the interaction between 32-bit applications and the Windows registry on a 64-bit system. On 64-bit versions of Windows, 32-bit applications that access the registry are redirected to use the Wow6432Node. This means that instead of writing to HKEY_LOCAL_MACHINE\SOFTWARE\YourApp, they write to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\YourApp. produce a side-by-side CSV-ready checklist for triage steps,

Native Performance: Because it is compiled specifically for 64-bit Intel/AMD systems, it runs natively without needing any emulation.

• produce a side-by-side CSV-ready checklist for triage steps,
• show exact command-line examples for autorunsc/Autoruns64a CLI,
• or list specific registry and file locations each tool enumerates.

• autoruns-x86.exe
• autoruns-x64.exe
• autoruns-ARM64.exe
• Use a simple batch script to detect OS architecture and launch the correct one.

One of the most powerful features of both versions is the ability to check the reputation of your startup items directly through VirusTotal.