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CSUFD.sys

Cirrus Filter Driver

Cirrus Logic

It runs as a Windows 64-bit kernel mode device driver named “CS42xxUpperFilter”.
Publisher:
Cirrus Logic Inc.  (signed by Cirrus Logic)

Product:
Cirrus Filter Driver

Description:
Cirrus Logic HDAudio upper filter driver

Version:
6.13.1.33

MD5:
ad3504539d880348a9d8fef10e8eadb5

SHA-1:
1a3ee00321efd6c5bdbd257c63cddb4f675cb7a4

SHA-256:
d67527bb10eb16ec5bed482e19dd000a7375e5b1eb13e5e114de5f79f9632f42

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
5/8/2024 12:51:45 PM UTC  (today)

File size:
28 KB (28,688 bytes)

Product version:
6.13.1.33

Copyright:
Copyright (c) 2011-2014 Cirrus Logic Inc. All rights reserved.

Original file name:
CSUFD.sys

File type:
Driver (Win64 SYS)

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

Digital Signature
Signed by:
Cirrus Logic

Authority:
VeriSign, Inc.

Valid from:
1/24/2013 9:00:00 AM

Valid to:
4/25/2016 8:59:59 AM

Subject:
CN=Cirrus Logic, OU=MSA, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Cirrus Logic, L=Austin, S=Texas, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
1852CFA27CFD66A14C56877B97DFDA72

File PE Metadata
Compilation timestamp:
10/9/2015 7:17:53 AM

OS version:
6.3

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
12.0

Entry address:
0x2030

Entry point:
48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, DA, 48, 8B, F9, E8, 57, 60, 00, 00, 48, 8B, D3, 48, 8B, CF, 48, 8B, 5C, 24, 30, 48, 83, C4, 20, 5F, E9, 02, 00, 00, 00, CC, CC, 48, 89, 5C, 24, 08, 48, 89, 6C, 24, 10, 48, 89, 74, 24, 18, 57, 48, 83, EC, 20, 33, ED, 48, 8B, F2, 48, 8B, F9, 48, 85, C9, 75, 0A, E8, 7E, 5F, 00, 00, E9, E0, 00, 00, 00, 48, 89, 0D, BA, 2D, 00, 00, 48, 8D, 05, CB, 2D, 00, 00, 48, 8D, 0D, CC, 2F, 00, 00, 48, 89, 05, CD, 2F, 00, 00, C7, 05, BB, 2F, 00, 00, 00, 00, 08, 02, FF, 15, C5...
 
[+]

Entropy:
6.7727

Code size:
7 KB (7,168 bytes)

Driver
Display name:
CS42xxUpperFilter

Service name:
CirrusUFD

Type:
Kernel device driver (KernelDriver)


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