home

CSUFD.sys

Cirrus Filter Driver

WDKTestCert dev

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

Product:
Cirrus Filter Driver

Description:
Cirrus Logic HDAudio upper filter driver

Version:
6.13.1.27

MD5:
c7f1ce54eb4e4d1cb735a76a12772d62

SHA-1:
da959ddf55027618a95b6f9d40d5300d84d4d943

SHA-256:
ecc529d368266151363778b235f896fcfc52f25f5b19beff6e45200a9d3e44fa

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
5/16/2025 11:26:51 PM UTC  (a few moments ago)

File size:
11.6 KB (11,928 bytes)

Product version:
6.13.1.27

Copyright:
Copyright (C) 2013 Cirrus Logic Inc. All rights reserved.

Original file name:
CSUFD.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

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

Digital Signature
Signed by:
WDKTestCert dev

Authority:
WDKTestCert dev

Valid from:
8/23/2012 6:05:56 PM

Valid to:
8/22/2022 8:00:00 PM

Subject:
CN="WDKTestCert dev,129902331557930178"

Issuer:
CN="WDKTestCert dev,129902331557930178"

Serial number:
635CCBEB60748DB240B74C9B9EF0A0A0

File PE Metadata
Compilation timestamp:
8/1/2013 10:54:34 AM

OS version:
6.2

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
11.0

CTPH (ssdeep):
192:FFTNxSTB5caVgJRjRU15Y7kdVxSPW+QBeswx4LrSMMJ:FFTNxSTB5caKJkg7kvxE4Bg

Entry address:
0x1B64

Entry point:
48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, DA, 48, 8B, F9, E8, 33, 55, 00, 00, 48, 8B, D3, 48, 8B, CF, 48, 8B, 5C, 24, 30, 48, 83, C4, 20, 5F, E9, AE, FE, FF, FF, CC, CC, CC, CC, CC, CC, E9, 37, 00, 00, 00, CC, CC, CC, CC, CC, CC, CC, 48, 83, EC, 28, 48, 8B, 05, 8D, 23, 00, 00, 48, 85, C0, 74, 0E, 48, 8D, 15, E9, FF, FF, FF, 48, 3B, C2, 74, 02, FF, D0, 48, 83, C4, 28, E9, 09, 00, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, 48, 83, EC, 28, 48, 8D, 0D, 65, 15, 00, 00, E8, 98, 00, 00, 00, 4C, 8B, 05, 59...
 
[+]

Entropy:
5.3182

Code size:
5.5 KB (5,632 bytes)

Driver
Display name:
CS42xxUpperFilter

Service name:
CirrusUFD

Type:
Kernel device driver (KernelDriver)


Scan CSUFD.sys - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.