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r1fltr.sys

Volume Modification Tracker

BBS Technologies, Inc.

It runs as a Windows 64-bit kernel mode device driver named “Volume Modification Filter Driver”.
Publisher:
R1Soft  (signed by BBS Technologies, Inc.)

Product:
Volume Modification Tracker

Version:
1, 0, 0, 2

MD5:
28e7c8a8a15e66fc2091cfc44084daf2

SHA-1:
791e99335f6f8dde69b52b6a90fa6525166fda1c

SHA-256:
7033e81503db9dd60a40e467b3e765924437fb7521c6b7e6b22f95bab16f9e1f

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
7/6/2025 12:19:32 PM UTC  (today)

File size:
21 KB (21,528 bytes)

Product version:
1, 0, 0, 2

Copyright:
Copyright (C) 2008

Original file name:
r1fltr.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\r1fltr.sys

Digital Signature
Signed by:
BBS Technologies, Inc.

Authority:
VeriSign, Inc.

Valid from:
4/23/2008 3:00:00 AM

Valid to:
4/24/2011 2:59:59 AM

Subject:
CN="BBS Technologies, Inc.", OU=R1Soft, OU=Digital ID Class 3 - Microsoft Software Validation v2, O="BBS Technologies, Inc.", L=Houston, S=Texas, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2004 CA, OU=Terms of use at https://www.verisign.com/rpa (c)04, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
713480EA283430BCBE1BC58FC366C093

File PE Metadata
Compilation timestamp:
7/26/2008 2:48:48 AM

OS version:
6.0

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
8.0

CTPH (ssdeep):
384:+arrIGKb27s0X1LY0m1xD8wRpbKoHhYJLWnEObo6jb:+arrIGG27s0i31VvLbHHsL/Obomb

Entry address:
0x7008

Entry point:
48, 8B, 05, F1, E0, FF, FF, 49, B9, 32, A2, DF, 2D, 99, 2B, 00, 00, 48, 85, C0, 74, 05, 49, 3B, C1, 75, 2F, 4C, 8D, 05, D6, E0, FF, FF, 48, B8, 20, 03, 00, 00, 80, F7, FF, FF, 48, 8B, 00, 49, 33, C0, 49, B8, FF, FF, FF, FF, FF, FF, 00, 00, 49, 23, C0, 49, 0F, 44, C1, 48, 89, 05, AE, E0, FF, FF, 48, F7, D0, 48, 89, 05, AC, E0, FF, FF, E9, A7, 9F, FF, FF, CC, CC, CC, 90, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, 76, 00, 00, 00, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.2503

Code size:
10.5 KB (10,752 bytes)

Driver
Display name:
Volume Modification Filter Driver

Service name:
r1fltr

Type:
Kernel device driver (KernelDriver)

Group:
PnP Filter


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