What is L1C63x64.sys?

L1C63x64.sys is part of Qualcomm Atheros Ar81xx series PCI-E Gigabit Ethernet Controller and developed by Qualcomm Atheros Co., Ltd. according to the L1C63x64.sys version information.

L1C63x64.sys's description is "Qualcomm Atheros Ar81xx series PCI-E Gigabit Ethernet Controller"

L1C63x64.sys is digitally signed by Qualcomm Atheros.

L1C63x64.sys is usually located in the 'c:\Windows\LastGood\system32\DRIVERS\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about L1C63x64.sys.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

VirusTotal report

None of the 55 anti-virus programs at VirusTotal detected the L1C63x64.sys file.

What did other users do?

The poll result listed below shows what users chose to do with L1C63x64.sys. 60% have voted for removal. Based on votes from 5 users.

NOTE: Please do not use this poll as the only source of input to determine what you will do with L1C63x64.sys. Only 5 users has voted so far so it does not offer a high degree of confidence.

Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

And now some shameless self promotion ;)

Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

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