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UMDiskW.sys

UMDiskW

Ark Information Systems inc.

It runs as a Windows kernel mode device driver named “ARK UMDISKW”.
Publisher:
Ark Information Systems inc.  (signed and verified)

Product:
UMDiskW

Version:
1.0.3

MD5:
7a0e0d95b9989b1a9da9fec1ba435355

SHA-1:
23798ca11beacd985cc14067b6c67ec228b5437d

SHA-256:
4c3785526349d7746baa071127bceca13a51590868bb750761dc232fa7beb9d9

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/26/2024 4:46:17 PM UTC  (today)

File size:
15.4 KB (15,728 bytes)

Product version:
1.0.3

Copyright:
Copyright(C) 2008-2011 ARK Information Systems Inc. All rights reserved.

Original file name:
UMDiskW.sys

File type:
Driver (Win32 SYS)

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

Digital Signature
Signed by:
Ark Information Systems inc.

Authority:
VeriSign, Inc.

Valid from:
7/2/2012 9:00:00 AM

Valid to:
7/3/2013 8:59:59 AM

Subject:
CN=Ark Information Systems inc., OU=KH, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Ark Information Systems inc., L=Chiyoda-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:
323B26493C61AD6083EBD73AF0898092

File PE Metadata
Compilation timestamp:
9/10/2012 5:35:11 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
192:D9D3dsc7rLXaOa335/wJirNmL/cu7RZgjlJrfyD5+v4mnYFEEvr9ZCspE+TMIr8m:dNsc7/a3mirILca6j6ln6eMJZ

Entry address:
0x5099

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 5D, FF, FF, FF, CC, CC, CC, F0, 50, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 8C, 52, 00, 00, 08, 20, 00, 00, E8, 50, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, 52, 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, 9A, 52, 00, 00, 00, 00, 00, 00, 74, 51, 00, 00, 8C, 51, 00, 00, 9E, 51, 00, 00, BC, 51, 00, 00, 5A, 51, 00, 00, EE, 51, 00, 00, 08, 52, 00, 00, 18, 52, 00, 00, 2E, 52, 00, 00, 42, 52, 00, 00, 5C...
 
[+]

Entropy:
6.2291

Code size:
3.5 KB (3,584 bytes)

Driver
Display name:
ARK UMDISKW

Service name:
umdiskw

Type:
Kernel device driver (KernelDriver)

Group:
System Bus Extender


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