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AlfaFF.sys

AlfaFF NE

Alfa System Programming

It runs as a Windows file system device driver named “NHFlt kernel Driver 2”.
Publisher:
Alfa Corporation  (signed by Alfa System Programming)

Product:
AlfaFF (TM) NE

Description:
Windows 2000 Mini-Filter Monitor Network Edition

Version:
? - AFP ATE

MD5:
9284e5017217d28d0689045ab656a44a

SHA-1:
652576eba0ce8fce80ec633decba3d317a6bb2a1

SHA-256:
13af9ef8b5900f863896fb4aab4b0b45f33386f343f63d8a91e66c0255b53821

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
7/8/2025 12:13:24 AM UTC  (today)

File size:
122.2 KB (125,176 bytes)

Product version:
?.

Copyright:
Copyright (C) Alfa Corporation 1999-

Trademarks:
ߜ Alfa Corporation

Original file name:
AlfaFF.sys

File type:
Driver (Win32 SYS)

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

Digital Signature
Signed by:
Alfa System Programming

Authority:
VeriSign, Inc.

Valid from:
5/17/2011 9:00:00 AM

Valid to:
7/21/2012 8:59:59 AM

Subject:
CN=Alfa System Programming, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Alfa System Programming, L=Nis, S=Palilula, C=RS

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:
5B4C9286D5437F09B40BEE7A9F6A6DC1

File PE Metadata
Compilation timestamp:
2/27/2012 7:11:59 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
3072:69XfSAC3KhFb7FW3DqkyEquSmlhQKLjFlDjfhRqi4VDLa8QtRkE2hKCe/j:6lfFFb7FW3DouSmsKLPDjfhRqi4VDLar

Entry address:
0x19DDF

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 21, FD, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, A1, 78, 98, 02, 00, 83, EC, 10, 56, 57, 50, 68, 90, A0, 02, 00, E8, 52, C1, FE, FF, 8B, 3D, E8, 54, 02, 00, 83, C4, 08, 33, F6, EB, 09, 8D, A4, 24, 00, 00, 00, 00, 8B, FF, A1, 78, 98, 02, 00, 03, C6, B9, 06, 00, 00, 00, 8B, D1, 89, 45, FC, 6A, 01, 8D, 45, F8, 66, 89, 4D, F2, 66, 89, 4D, FA, 50, 8D, 4D, F0, 51, C7, 45, F4, 80, A0, 02, 00, 66, 89, 55, F0, 66...
 
[+]

Entropy:
6.9694

Code size:
88.6 KB (90,752 bytes)

Driver
Display name:
NHFlt kernel Driver 2

Service name:
AlfaFF

Type:
File system 'filter' driver (FileSystemDriver)

Group:
Filter


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