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yahoostorage.sys

Windows Win 7 DDK driver

Yahoo Japan Corporation

It runs as a Windows file system device driver named “YahooStorage”.
Publisher:
Windows (R) Win 7 DDK provider  (signed by Yahoo Japan Corporation)

Product:
Windows (R) Win 7 DDK driver

Description:
Yahoo Storage File System Mini Filter

Version:
6.1.7600.16385 built by: WinDDK

MD5:
be5dc0b6f188fb0e343bf687a88f5c7b

SHA-1:
7d2718a3ab77d5474e0323f8cfd87b28a360dcb4

SHA-256:
3693ca5460d30fedfd3cef26264c703ac952e9058b5060947008166b1d3323c7

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
2/27/2025 1:20:47 AM UTC  (today)

File size:
27.4 KB (28,008 bytes)

Product version:
6.1.7600.16385

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
YahooStorageFS.sys

File type:
Driver (Win32 SYS)

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

Digital Signature
Signed by:
Yahoo Japan Corporation

Authority:
VeriSign, Inc.

Valid from:
4/2/2012 9:00:00 AM

Valid to:
4/3/2013 8:59:59 AM

Subject:
CN=Yahoo Japan Corporation, OU=Operation, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yahoo Japan Corporation, L=Minato-ku, S=Tokyo, C=JP

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:
0973D66501DCFCB38ECD72374FAA6F03

File PE Metadata
Compilation timestamp:
8/16/2012 4:19:36 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0x722F

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, C7, FD, FF, FF, CC, 5C, 00, 59, 00, 53, 00, 46, 00, 53, 00, 4D, 00, 46, 00, 5F, 00, 50, 00, 6F, 00, 72, 00, 74, 00, 00, 00, CC, CC, 14, 73, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 6A, 75, 00, 00, 68, 20, 00, 00, 0C, 73, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 98, 75, 00, 00, 60, 20, 00, 00, AC, 72, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D0, 77, 00, 00, 00, 20, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 75, 00...
 
[+]

Entropy:
6.4908

Code size:
13.5 KB (13,824 bytes)

Driver
Display name:
YahooStorage

Description:
YahooStorage Filter Driver

Type:
File system 'filter' driver (FileSystemDriver)

Group:
FSFilter Activity Monitor

Depends on:
FltMgr


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