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{70d4f375-9680-4b93-b60c-f3813108bab1}gw64.sys

KingBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {70d4f375-9680-4b93-b60c-f3813108bab1}gw64.sys by KingBrowse has been detected as adware by 28 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{70d4f375-9680-4b93-b60c-f3813108bab1}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 KingBrowse)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
e5a2fa42159bd0fa35dc13a0a3c1492e

SHA-1:
ea306f9d9f9b6824719105a269f1704c8e840af4

SHA-256:
b90ab6e3c27548dac35e16d8a8d976b29958154368f28c873f81c49105c9fcc4

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/18/2024 6:58:45 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
356

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.11.06

Avira AntiVirus
Adware/BrowseFox.aot
7.11.212.170

avast!
Win32:BrowseFox-EB [PUP]
2014.9-160213

AVG
Generic
2017.0.2834

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16213

Bitdefender
Adware.NetFilter.E
1.0.20.220

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/21411

Dr.Web
Trojan.BPlug.123
9.0.1.044

Emsisoft Anti-Malware
Adware.NetFilter
8.16.02.13.03

ESET NOD32
Win64/BrowseFox.AT (variant)
10.10677

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2016-13-02_7

G Data
Adware.NetFilter
16.2.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

K7 AntiVirus
Riskware
13.185.13888

McAfee
Artemis!6EC437F05BBE
5600.6490

MicroWorld eScan
Adware.NetFilter.E
17.0.0.132

nProtect
Adware.NetFilter.E
14.11.05.01

Panda Antivirus
Trj/CI.A
16.02.13.03

Qihoo 360 Security
Win32/Trojan.Adware.37e
1.0.0.1015

Reason Heuristics
PUP.Yontoo.KingBrowse (M)
16.2.13.15

Sophos
BrowseSmart
4.98

Trend Micro House Call
TROJ_GEN.R0C1C0OB615
7.2.44

Trend Micro
TROJ_GEN.R0C1C0OB615
10.465.13

VIPRE Antivirus
Trojan.Win32.Generic
34548

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1976

File size:
59.7 KB (61,120 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\{70d4f375-9680-4b93-b60c-f3813108bab1}gw64.sys

Digital Signature
Signed by:
KingBrowse

Authority:
VeriSign, Inc.

Valid from:
1/8/2014 9:00:00 PM

Valid to:
1/9/2015 8:59:59 PM

Subject:
CN=KingBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=KingBrowse, 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:
670CAB2C338090653CEA8172D5DB1E34

File PE Metadata
Compilation timestamp:
8/6/2014 8:52:18 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:rot2dxF9O8ZF33iqiIy9387Hp9XcfBzSowidI+h:r9JRicy938Lp9eW1j

Entry address:
0xF064

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, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 00, 00, C0, 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, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{70d4f375-9680-4b93-b60c-f3813108bab1}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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