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{735c7dda-e3b7-44f2-8521-a39cc0d289b2}gw64.sys

DoughGo

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {735c7dda-e3b7-44f2-8521-a39cc0d289b2}gw64.sys by DoughGo has been detected as adware by 25 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{735c7dda-e3b7-44f2-8521-a39cc0d289b2}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 DoughGo)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
2f6ca17777c7ac15769b162dcf5086d8

SHA-1:
3bc60eabd91a3589b49bdaf25207fe2eef473ce1

SHA-256:
b715fb4adc520822336fb2214196a226043147befdb215eb07cb3ff96f3576f7

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/26/2024 11:53:02 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
376

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2015.03.11

avast!
Win32:BrowseFox-HZ [PUP]
2014.9-160124

AVG
Webpade
2017.0.2854

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16124

Bitdefender
Adware.SwiftBrowse.L
1.0.20.120

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/20172

Dr.Web
Trojan.BPlug.123
9.0.1.024

Emsisoft Anti-Malware
Adware.NetFilter
8.16.01.24.04

ESET NOD32
Win64/BrowseFox.AL (variant)
10.10577

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2016-24-01_1

G Data
Adware.SwiftBrowse
16.1.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.7.5.0

McAfee
Artemis!FA7B5BC3E4C2
5600.6510

MicroWorld eScan
Adware.SwiftBrowse.L
17.0.0.72

Norman
Adware.NetFilter.E
11.20160124

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Reason Heuristics
PUP.Yontoo.DoughGo (M)
16.1.24.16

Sophos
BrowseSmart
4.98

Trend Micro House Call
Suspicious_GEN.F47V0807
7.2.24

Trend Micro
HS_BROWSEFOX.SM
10.465.24

VIPRE Antivirus
Adware.SwiftBrowse
32252

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1897

File size:
59.7 KB (61,112 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Common path:
C:\Windows\System32\drivers\{735c7dda-e3b7-44f2-8521-a39cc0d289b2}gw64.sys

Digital Signature
Signed by:
DoughGo

Authority:
VeriSign, Inc.

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

Valid to:
1/10/2015 7:59:59 AM

Subject:
CN=DoughGo, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=DoughGo, 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:
43D6FB9D3D742CDE988B02EC2BD25188

File PE Metadata
Compilation timestamp:
1/31/2014 8:45:30 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:oot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidI3YfX:o9JRicy938ip9ea1jI/

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...
 
[+]

Entropy:
5.9630

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{735c7dda-e3b7-44f2-8521-a39cc0d289b2}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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