{0bd9bacb-0a2d-4412-900e-b2473afd87b4}gw64.sys

NetTock

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {0bd9bacb-0a2d-4412-900e-b2473afd87b4}gw64.sys by NetTock has been detected as adware by 24 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{0bd9bacb-0a2d-4412-900e-b2473afd87b4}Gw64”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
StdLib  (signed by NetTock)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
f75f77aed1fbf6c97ffb1b7d1d72ca44

SHA-1:
cfd3bf3072182af1c95e2e9168d23bc5683ee2e3

SHA-256:
2b31a1fdb54243283efe537712943d7064bde11e2fa244bcf8df552814854bfb

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
5/3/2024 7:52:29 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.S
808

Agnitum Outpost
PUA.Yotoon
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.14

AVG
Generic
2015.0.3286

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141118

Bitdefender
Adware.SwiftBrowse.S
1.0.20.1610

Clam AntiVirus
Win.Adware.Swiftbrowse-284
0.98/19414

Dr.Web
hacktool program Tool.NetFilter.1
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.S
14.11.18

ESET NOD32
Win64/BrowseFox.BZ (variant)
8.10647

F-Prot
W64/A-abca7297
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.S
11.2014-18-11_3

G Data
Adware.SwiftBrowse
14.11.24

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.8.0

McAfee
Artemis!DB0B2C8AA18C
5600.6942

MicroWorld eScan
Adware.SwiftBrowse.S
15.0.0.966

nProtect
Adware.SwiftBrowse.S
14.09.12.01

Panda Antivirus
Trj/CI.A
14.11.18.08

Reason Heuristics
PUP.NetTock.n
14.11.18.20

Rising Antivirus
PE:Trojan.Win32.Generic.17075FC4!386359236
23.00.65.141116

Sophos
BrowseSmart
4.98

Trend Micro House Call
Suspicious_GEN.F47V0721
7.2.322

VIPRE Antivirus
Trojan.Win32.Generic
33082

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1921

File size:
43.7 KB (44,728 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{0bd9bacb-0a2d-4412-900e-b2473afd87b4}gw64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/11/2014 4:00:00 PM

Valid to:
1/12/2015 3:59:59 PM

Subject:
CN=NetTock, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=NetTock, L=San Diego, S=California, C=US

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:
41BB672E3BDED612E4F80C8809E8DF4C

File PE Metadata
Compilation timestamp:
9/12/2014 4:33:02 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:ogLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHA7:z5ZEQI8E7ClquaC759EU

Entry address:
0xB064

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, C6, 60, FF, FF, CC, CC, 38, B2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, B6, 00, 00, 60, 81, 00, 00, 28, B1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, B9, 00, 00, 50, 80, 00, 00, D8, B0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, BA, 00, 00, 00, 80, 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, BA, 00, 00, 00, 00, 00, 00, 86, BA, 00, 00...
 
[+]

Entropy:
6.3750

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{0bd9bacb-0a2d-4412-900e-b2473afd87b4}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI