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atrfiltr.sys

Windows Codename Longhorn DDK driver

Estonian Informatics Centre

It runs as a Windows kernel mode device driver named “atrfiltr”.
Publisher:
Windows (R) Codename Longhorn DDK provider  (signed by Estonian Informatics Centre)

Product:
Windows (R) Codename Longhorn DDK driver

Description:
Example ATR Filter Driver

Version:
6.0.6000.16386 built by: WinDDK

MD5:
62214a76652fe0cf0fcbcf78142022d7

SHA-1:
95691665c41c89dbdc15a382df0f930ff65bf39a

SHA-256:
7f014574b4f17c359ec5ce7ff39921544a52252786b8fc57a866a2b74f3b094a

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
7/12/2025 8:49:57 AM UTC  (today)

File size:
14.8 KB (15,200 bytes)

Product version:
6.0.6000.16386

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
atrfiltr.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

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

Digital Signature
Signed by:
Estonian Informatics Centre

Authority:
VeriSign, Inc.

Valid from:
5/30/2011 3:00:00 AM

Valid to:
5/30/2012 2:59:59 AM

Subject:
CN=Estonian Informatics Centre, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Estonian Informatics Centre, L=Tallinn, S=Harjumaa, C=EE

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:
6888A2E25F737E4A7E3D769D61CB63F8

File PE Metadata
Compilation timestamp:
5/30/2012 12:03:58 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
8.0

CTPH (ssdeep):
192:MpYEQFYln5qBMPV335/wJirNmL/cu7RZgjlarh015r+v5dr9ZCspE+TMIrQSW:BK5aMN3mirILca6jR71eMx

Entry address:
0x11D8

Entry point:
8B, FF, 55, 8B, EC, 53, 8B, 5D, 08, 85, DB, 75, 0E, FF, 75, 0C, 53, E8, 5D, 3E, 00, 00, E9, BE, 00, 00, 00, 66, 83, 25, 58, 36, 01, 00, 00, 56, FF, 75, 0C, BE, 58, 36, 01, 00, 56, 89, 1D, 6C, 36, 01, 00, 66, C7, 05, 5A, 36, 01, 00, 08, 02, C7, 05, 5C, 36, 01, 00, 70, 36, 01, 00, FF, 15, 10, 20, 01, 00, 68, 68, 36, 01, 00, 68, 14, 30, 01, 00, 56, 53, E8, CF, 00, 00, 00, 85, C0, 7C, 77, 57, 8B, 3D, 78, 38, 01, 00, EB, 0E, 56, 53, FF, 57, 08, 85, C0, 89, 45, 08, 7C, 1B, 8B, 3F, 85, FF, 75, EE, E8, 62, 00, 00...
 
[+]

Entropy:
6.2131

Code size:
2.5 KB (2,560 bytes)

Driver
Display name:
atrfiltr

Type:
Kernel device driver (KernelDriver)


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