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{345422e3-72fa-447a-9550-97803edfacf3}gw64.sys

secretsauce

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {345422e3-72fa-447a-9550-97803edfacf3}gw64.sys by secretsauce has been detected as adware by 25 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{345422e3-72fa-447a-9550-97803edfacf3}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 secretsauce)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
52b53cd6eb309c70826c06c2d529ce75

SHA-1:
3356ab4301bb5102f6dadbe495b664055f1aee99

SHA-256:
cf16e1d93c0e3bf20518fb37cc55849c6eb3a8b0170e60b25e6e9320c1f179d3

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/25/2024 7:05:56 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
355

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2015.04.14

AVG
MalSign.Secsau
2017.0.2833

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16214

Bitdefender
Adware.NetFilter.E
1.0.20.225

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/20318

Dr.Web
Trojan.BPlug.123
9.0.1.045

Emsisoft Anti-Malware
Adware.NetFilter
8.16.02.14.03

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2016-14-02_1

G Data
Adware.NetFilter
16.2.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!49D01002472D
5600.6489

MicroWorld eScan
Adware.NetFilter.E
17.0.0.135

Norman
Adware.NetFilter.E
11.20160214

nProtect
Adware.NetFilter.E
15.04.13.01

Reason Heuristics
PUP.Yontoo.secretsauce (M)
16.2.14.15

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.NetFilter/Variant
9324

Trend Micro House Call
Suspicious_GEN.F47V0617
7.2.45

Trend Micro
HS_BROWSEFOX.SM
10.465.14

VIPRE Antivirus
Trojan.Win32.Generic
30608

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.2138

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\{345422e3-72fa-447a-9550-97803edfacf3}gw64.sys

Digital Signature
Signed by:
secretsauce

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 4:00:00 AM

Valid to:
10/8/2014 3:59:59 AM

Subject:
CN=secretsauce, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=secretsauce, 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:
4AE20FA715A6AD31570AF66DF284144A

File PE Metadata
Compilation timestamp:
1/31/2014 4:45:30 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Xot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidIPGzD:X9JRicy938ip9ea1jU

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:
5.9642

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{345422e3-72fa-447a-9550-97803edfacf3}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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