L1c63x86.sys

Qualcomm Atheros Ar81xx series PCI-E Gigabit Ethernet Controller

Atheros Communications Inc.

It runs as a Windows 64-bit kernel mode device driver named “NDIS Miniport Driver for Qualcomm Atheros AR81xx PCI-E Ethernet Controller”.
Publisher:
Qualcomm Atheros Co., Ltd.  (signed by Atheros Communications Inc.)

Product:
Qualcomm Atheros Ar81xx series PCI-E Gigabit Ethernet Controller

Version:
2.1.0.4

MD5:
acd4a3ba32de011b1d717eb14cb377de

SHA-1:
88866f99a2a0e2ce5a1ae2fd1c2a0545fbfcfb51

SHA-256:
afb100a0d1dc4f263182deace7bd14fd46078bd3d4b6d34383a0ccc2391bb87b

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
2/13/2026 12:01:04 AM UTC  (today)

File size:
91.6 KB (93,848 bytes)

Product version:
2.1.0.4

Copyright:
2001-2012 Qualcomm Atheros Co., Ltd. All Rights Reserved.

Original file name:
L1c63x86.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\l1c63x86.sys

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
3/30/2010 3:00:00 AM

Valid to:
4/1/2013 2:59:59 AM

Subject:
CN=Atheros Communications Inc., OU=SPE, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Atheros Communications Inc., L=Sunnyvale, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2009-2 CA, OU=Terms of use at https://www.verisign.com/rpa (c)09, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
709771C02A395029A68C5FBDB0E867FD

File PE Metadata
OS bitness:
Win64

CTPH (ssdeep):
1536:kMY6+2mWYp3dQkOaafIyGUyZ5WU0kx8cOrC1/gbbdhNXXW3d9aDlxCLe:jn+3cfWUA5WU0o0WqbbdhNXG3uJ

Driver
Display name:
NDIS Miniport Driver for Qualcomm Atheros AR81xx PCI-E Ethernet Controller

Service name:
L1C

Type:
Kernel device driver (KernelDriver)