{0024c5f4-ee90-4f3c-af05-4d7fbd9c981b}gw64.sys

BetterBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {0024c5f4-ee90-4f3c-af05-4d7fbd9c981b}gw64.sys by BetterBrowse has been detected as adware by 28 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{0024c5f4-ee90-4f3c-af05-4d7fbd9c981b}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 BetterBrowse)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
e092d1dad32140c210401a4bee156bcd

SHA-1:
2b1be6a7ddf77d6db32074984414a6f70006daa0

SHA-256:
8c5b140c5c1b1de62fdb8d3dc815839e3803cab9f7ed16f198343d6ff9eb4376

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/26/2024 9:06:53 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
355

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.09.07

avast!
Win32:BrowseFox-HX [PUP]
2014.9-160215

AVG
AdPlugin
2017.0.2833

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16215

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.230

Bkav FE
W64.HfsAdware
1.3.0.7133

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21511

Dr.Web
Trojan.Yontoo.1734
9.0.1.046

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.15.04

ESET NOD32
Win64/BrowseFox.CG potentially unwanted application
10.7.0.302.0

F-Prot
W64/A-59c9c70a
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2016-15-02_2

G Data
Adware.SwiftBrowse.CH
16.2.25

K7 AntiVirus
Adware
13.2017125

Malwarebytes
PUP.Optional.BetterBrowse
v2016.02.15.04

McAfee
Artemis!C0E856D62328
5600.6489

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.138

NANO AntiVirus
Riskware.Win64.BPlug.dvtoqg
0.30.24.3283

Norman
Adware.SwiftBrowse.CH
11.20160215

nProtect
Adware.SwiftBrowse.CH
15.09.04.01

Panda Antivirus
Generic Suspicious
16.02.15.04

Reason Heuristics
PUP.Yontoo.BetterBrowse (M)
16.2.15.4

SUPERAntiSpyware
Adware.BrowseFox/Variant
9323

Trend Micro
TROJ_GEN.R08NC0OHU15
10.465.15

VIPRE Antivirus
Trojan.Win32.Generic
43520

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2388

File size:
47.7 KB (48,832 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{0024c5f4-ee90-4f3c-af05-4d7fbd9c981b}gw64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
9/27/2013 5:30:00 AM

Valid to:
9/28/2015 5:29:59 AM

Subject:
CN=BetterBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BetterBrowse, L=Santa Monica, 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:
12F4B87646B8BAF069AA302DE756FE85

File PE Metadata
Compilation timestamp:
6/11/2015 3:01:04 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lo7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3iSRs:WFID6EGnLA8AFJTNEVmDa

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, E2, 50, FF, FF, CC, CC, 78, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, C6, 00, 00, A0, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, CA, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, CB, 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, B6, CB, 00, 00, 00, 00, 00, 00, A2, CB, 00, 00...
 
[+]

Entropy:
6.3921

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{0024c5f4-ee90-4f3c-af05-4d7fbd9c981b}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI