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{46b9091e-deda-48d8-b979-0464193d69d5}gw64.sys

Source App

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {46b9091e-deda-48d8-b979-0464193d69d5}gw64.sys by Source App has been detected as adware by 18 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{46b9091e-deda-48d8-b979-0464193d69d5}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 Source App)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
ec8cb582c98c7c2e35062e41d8f2f90a

SHA-1:
34ffd0396b168df717093f4e573f7ed71674aaf9

SHA-256:
d7b942c386a40938e6cc55a6a5ea503b8fe6b7fc6d183cc00a8ee9b9d808926d

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
4/19/2024 7:25:46 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
776

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
Generic
2015.0.3254

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141221

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1775

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

Dr.Web
Tool.NetFilter.313
9.0.1.0355

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.14.12.21.09

ESET NOD32
Win64/BrowseFox.CG (variant)
8.10852

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

F-Secure
Adware.SwiftBrowse.CH
11.2014-21-12_1

G Data
Adware.SwiftBrowse.CH
14.12.24

MicroWorld eScan
Adware.SwiftBrowse.CH
15.0.0.1065

Norman
Adware.SwiftBrowse.CH
11.20141221

nProtect
Adware.SwiftBrowse.CH
14.12.09.01

Reason Heuristics
PUP.SourceApp.n
14.12.21.9

VIPRE Antivirus
Trojan.Win32.Generic
35582

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2004

File size:
47.6 KB (48,784 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\{46b9091e-deda-48d8-b979-0464193d69d5}gw64.sys

Digital Signature
Signed by:
Source App

Authority:
VeriSign, Inc.

Valid from:
10/16/2014 4:00:00 AM

Valid to:
10/17/2015 3:59:59 AM

Subject:
CN=Source App, O=Source App, 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:
5436973D688F7AF7E3F875CD8B463EDD

File PE Metadata
Compilation timestamp:
12/10/2014 12:00:01 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lQ7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD37/Is:2FID6EGnLA8AFJTNEVmDzIs

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:
6.3928

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{46b9091e-deda-48d8-b979-0464193d69d5}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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