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OAdriver.sys

OA Helper Driver

Emsi Software GmbH

It runs as a Windows file system device driver named “OADriver”.
Publisher:
Emsisoft  (signed by Emsi Software GmbH)

Product:
OA Helper Driver

Version:
4, 0, 0, 0

MD5:
f759e5266a91e6a9ab5dd7939c6560b6

SHA-1:
9093b72c6c976b915bd984381af1eb940e297741

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/26/2024 3:04:06 AM UTC  (today)

File size:
230.6 KB (236,104 bytes)

Product version:
4, 0, 0, 0

Copyright:
Copyright 2010 Emsi Software GmbH

Original file name:
OAdriver.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

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

Digital Signature
Signed by:
Emsi Software GmbH

Authority:
VeriSign, Inc.

Valid from:
3/2/2010 7:00:00 PM

Valid to:
3/25/2011 6:59:59 PM

Subject:
CN=Emsi Software GmbH, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Emsi Software GmbH, L=Thalgau, S=Salzburg, C=AT

Issuer:
CN=VeriSign Class 3 Code Signing 2009-2 CA, OU=Terms of use at https://www.verisign.com/rpa (c)09, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6E1F6ACA24FD20E0EBA59644C9FBABB1

File PE Metadata
Compilation timestamp:
6/29/2010 5:34:33 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
6144:A9kUHuFagr2ox4s3NZQuSJc5k+ne9r3cZGsFV/WdcpkEvdKuEFx:A9XOMA2oD3Alfx

Entry address:
0x11C00

Entry point:
55, 8B, EC, 83, EC, 5C, C7, 45, C4, 00, 00, 00, 00, 6A, 00, 68, 60, 98, 04, 00, FF, 15, D0, 10, 01, 00, 6A, 00, 68, A0, 7E, 04, 00, FF, 15, D0, 10, 01, 00, E8, 54, 87, FF, FF, A3, E8, 7F, 04, 00, 83, 7D, 08, 00, 74, 08, 8B, 45, 08, 83, C0, 38, 75, 0A, B8, 01, 00, 00, C0, E9, 64, 05, 00, 00, C7, 45, E0, 00, 00, 00, 00, EB, 09, 8B, 4D, E0, 83, C1, 01, 89, 4D, E0, 83, 7D, E0, 1B, 7D, 10, 8B, 55, E0, 8B, 45, 08, C7, 44, 90, 38, A0, CE, 01, 00, EB, E1, 8B, 4D, 08, C7, 41, 34, 70, F5, 01, 00, C7, 05, E0, 7F, 04...
 
[+]

Entropy:
6.6005

Developed / compiled with:
Microsoft Visual C++

Code size:
198 KB (202,752 bytes)

Driver
Display name:
OADriver

Service name:
OADevice

Type:
File system 'filter' driver (FileSystemDriver)

Depends on:
FltMgr


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