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nethfdrv.sys

Wilmaonline LTD.

This adware is a web browser extension that will inject advertising in the browser in the form of unwanted banners and text-links which may link to malware sites and install unwanted software. The file nethfdrv.sys by Wilmaonline has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is distributed as part of the Brightcircle group of browser-extensions.
Publisher:
nethfdrv  (signed by Wilmaonline LTD.)

Product:
nethfdrv

Version:
1.4.3.1 built by: WinDDK

MD5:
a01751babfb5ad67ae395d7cfc6e7526

SHA-1:
f2da5cbc9b31f83e3b7777b195beb0722f49b0cf

SHA-256:
fa676e23c81422b1d638cf69b9a06283b3d23782008acd18266feed302f1d6e5

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
12/24/2024 1:55:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Brightcircle (M)
17.3.12.8

File size:
39.6 KB (40,528 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2014

Original file name:
nethfdrv.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

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

Digital Signature
Signed by:
Wilmaonline LTD.

Authority:
Thawte, Inc.

Valid from:
7/6/2014 8:00:00 PM

Valid to:
8/6/2015 7:59:59 PM

Subject:
CN=Wilmaonline LTD., O=Wilmaonline LTD., L=Raanana, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
2B7DF4C242BFBB654DA05B78A86926AA

File PE Metadata
Compilation timestamp:
5/6/2015 2:19:08 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0x903E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 4A, 80, FF, FF, CC, CC, 74, 91, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, 94, 00, 00, C0, 70, 00, 00, B4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 95, 00, 00, 00, 70, 00, 00, EC, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 98, 00, 00, 38, 70, 00, 00, C4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 98, 99, 00, 00, 10, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DC, 94, 00, 00, F0, 94, 00, 00, C8, 94...
 
[+]

Code size:
26 KB (26,624 bytes)

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