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What is rundll32.exe? 5 ways to see if it’s safe.
What is rundll32.exe?
Rundll32.exe is a crucial part of Microsoft Windows that’s made to launch functionality based in Windows DLL (dynamic linked library) files. For example if you’re using a Windows app that needs a DLL rundll32.exe will make it possible for that app to use the DLL it needs to operate. A Windows DLL library contains code that can be used by more than one program at a time on Windows, so if you disable rundll32.exe then it’s possible you could cause many parts of Windows, and many Windows apps to be unable to function.
Publisher: rundll32.exe should be signed by Microsoft Windows.
rundll32.exe stands for “run DLL 32 bit”.
Is rundll32.exe safe? 5 easy ways to see if rundll32.exe is safe or malware.
- 1. See who signed the rundll32.exe (check the publisher)
- 2. Scan rundll32.exe with Windows Security.
- 3. Check the network activity of rundll32.exe.
- 4. Analyze rundll32.exe with VirusTotal.
- 5. Run it in Windows Sandbox.
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Why does rundll32.exe access the network?
While monitoring the network activity or rundll32.exe from the USA with the GlassWire software we found it connects to settingsfd-geo.trafficmanager.net which appears to be controlled by Microsoft Corporation. We found no other network activity with the .exe. We believe rundll32.exe connects to settingsfd-geo.trafficmanager.net to help manage the distribution of traffic across your PCs endpoints. This traffic management seems to happen at the DNS level to help your PC and apps work properly.
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