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GKfilter.sys

ChangingTec Filter Driver (x86)

Changing Information Technology Inc.

It runs as a Windows file system device driver named “GKfilter”.
Publisher:
Changing Information Technology Inc.  (signed and verified)

Product:
ChangingTec Filter Driver (x86)

Version:
1.0.15.414 built by: WinDDK

MD5:
4d8257aac00581a4f7a88b8293f82a07

SHA-1:
20c1afe2b789c17605f8ee51e63c301dbc387d81

SHA-256:
b75a0c626e149c02c37f0d1d95e48b6a66ead73df1bb9f00d014a13344698a9e

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/25/2024 11:20:54 PM UTC  (a few moments ago)

File size:
49.7 KB (50,856 bytes)

Product version:
1.0.15.414

Copyright:
Copyright (C) 2015 Changing Information Technology Inc. All Right Reserved.

Original file name:
GKfilter.sys

File type:
Driver (Win32 SYS)

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

Digital Signature
Signed by:
Changing Information Technology Inc.

Authority:
VeriSign, Inc.

Valid from:
4/11/2013 8:00:00 AM

Valid to:
5/11/2015 7:59:59 AM

Subject:
CN=Changing Information Technology Inc., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Changing Information Technology Inc., L=Hsinchu, S=Taiwan, C=TW

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:
37B2E908966BBADF7233DC45C39ED1D4

File PE Metadata
Compilation timestamp:
4/14/2015 5:48:57 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
384:kTPDwOex+3Qry7V0pr9u+nnYPLQa6jAka0heM62:k5kOJ7V0u+nymPn

Entry address:
0x9640

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 36, FE, FF, FF, 5C, 00, 24, 00, 43, 00, 47, 00, 47, 00, 4B, 00, 00, 00, CC, CC, E4, 96, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, E2, 99, 00, 00, C8, 10, 00, 00, 9C, 96, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A2, 9B, 00, 00, 80, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 8E, 9B, 00, 00, 6A, 9B, 00, 00, 4C, 9B, 00, 00, 30, 9B, 00, 00, 1C, 9B, 00, 00, 02, 9B, 00, 00, E6, 9A, 00, 00, D0, 9A, 00, 00, BE, 9A, 00, 00...
 
[+]

Entropy:
3.5647

Code size:
8.8 KB (8,960 bytes)

Driver
Display name:
GKfilter

Description:
GKfilter mini-filter driver

Type:
File system 'filter' driver (FileSystemDriver)

Group:
FSFilter Content Screener

Depends on:
FltMgr


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