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estrtw.sys

ALYac

ESTsoft Corp.

It runs as a Windows file system device driver named “EstRtwIFDrv”.
Publisher:
ESTsoft Corp  (signed by ESTsoft Corp.)

Product:
ALYac

Description:
RealTime Kernel Driver

Version:
16, 1, 7, 1

MD5:
ac259dbf2d0b2a2bdc6cf67d3e0d0281

SHA-1:
c3a27d2b288b99c6e86b992c2e633f94afca5c5a

SHA-256:
5150f9b26507bc38a5fbb195a5d3106cd18c38afb5f5e89829870588dfe8b1b5

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
5/21/2024 1:08:10 AM UTC  (today)

File size:
295.6 KB (302,672 bytes)

Product version:
2,5,3,6

Copyright:
Copyright (c) 2007 - present ESTsoft Corp. All rights reserved

File type:
Driver (Win32 SYS)

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

Digital Signature
Signed by:
ESTsoft Corp.

Authority:
VeriSign, Inc.

Valid from:
2/8/2016 9:00:00 AM

Valid to:
2/8/2017 8:59:59 AM

Subject:
CN=ESTsoft Corp., O=ESTsoft Corp., L=Seocho-gu, S=Seoul, C=KR

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:
58579B6F7DD4B061B485563AB72AC578

File PE Metadata
Compilation timestamp:
11/10/2016 2:41:34 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0x1B0050

Entry point:
55, 8B, EC, 83, EC, 0C, C7, 45, FC, 01, 00, 00, C0, E8, 7E, 13, E7, FF, 8B, 45, 0C, 50, 8B, 4D, 08, 83, C1, 1C, 51, E8, FE, 32, E7, FF, 8B, 15, 80, F7, 59, 00, 52, E8, 82, C8, E5, FF, 6A, 00, 6A, 00, 6A, 00, 6A, 00, 68, 60, F7, 59, 00, FF, 15, 60, 51, 42, 00, 8B, 45, 0C, 50, E8, 16, 93, E6, FF, E8, 51, 93, E6, FF, 85, C0, 74, 1E, FF, 15, 14, 51, 42, 00, 50, FF, 15, 18, 51, 42, 00, 50, 68, 01, 00, 02, 00, 6A, 00, FF, 15, 98, E0, 42, 00, 83, C4, 10, E8, 0A, D4, FF, FF, E8, A5, 14, E7, FF, E8, 30, CB, E6, FF...
 
[+]

Entropy:
7.0811

Developed / compiled with:
Microsoft Visual C++

Code size:
149.5 KB (153,088 bytes)

Driver
Display name:
EstRtwIFDrv

Description:
EstRtwIFDrv filter driver

Type:
File system 'filter' driver (FileSystemDriver)

Group:
FSFilter Anti-Virus

Depends on:
FltMgr


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