nethfdrv.sys

Shetef Solutions & Consulting (1998) Ltd.

This is the Amonetize download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The file nethfdrv.sys by Shetef Solutions & Consulting (1998) has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Amonetize Downloader installer. It runs as a Windows 64-bit kernel mode device driver named “nethfdrv”. The setup program bundles adware offers using the Amonetize, a Pay-Per-Install (PPI) monetization and distribution download manager. The software offerings provided are based on the PC's geo-location at the time of install.
Publisher:
nethfdrv  (signed by Shetef Solutions & Consulting (1998) Ltd.)

Product:
nethfdrv

Version:
1.4.3.1 built by: WinDDK

MD5:
6f0d4ae1cda4d90e1105e52ec12de49d

SHA-1:
26f13166a3acec4a63fc68bc9fc843d98a3c3fce

SHA-256:
75f114a78e7e6947e66a398befbe59e755826bc8385ae009f12a938a8c8f91de

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.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/20/2024 2:25:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Amonetize.ShetefSolutionsConsulting1998.Bundler (M)
16.1.23.16

File size:
44.9 KB (46,008 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2014

Original file name:
nethfdrv.sys

File type:
Driver (Win64 SYS)

Bundler/Installer:
Amonetize Downloader

Language:
English (United States)

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

Digital Signature
Authority:
Thawte, Inc.

Valid from:
7/23/2013 1:00:00 AM

Valid to:
7/24/2014 12:59:59 AM

Subject:
CN=Shetef Solutions & Consulting (1998) Ltd., O=Shetef Solutions & Consulting (1998) Ltd., L=Rannana, S=Israel, C=IL

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

Serial number:
7C23DBB97FAFBB9D28D413F836202024

File PE Metadata
Compilation timestamp:
5/1/2014 9:12:21 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:0PJzj6w4L7TaMjXuwKeHvOj8r7tQN5oCrFeMULwidQw8+vy:c9wbvjevewbrFlU0D7T

Entry address:
0xC064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, 0A, 51, FF, FF, CC, CC, 38, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, C6, 00, 00, 60, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, C9, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, CA, 00, 00, 00, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9A, CA, 00, 00, 00, 00, 00, 00, 86, CA, 00, 00...
 
[+]

Entropy:
6.3614

Code size:
32 KB (32,768 bytes)

Driver
Display name:
nethfdrv

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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