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{475ad0ad-e406-46eb-a3d2-6bc1d8161b62}gw64.sys

gate snapper

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {475ad0ad-e406-46eb-a3d2-6bc1d8161b62}gw64.sys by gate snapper has been detected as adware by 22 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{475ad0ad-e406-46eb-a3d2-6bc1d8161b62}Gw64”.
Publisher:
StdLib  (signed by gate snapper)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
26bd93234aaf3d7aecdca013857751b3

SHA-1:
5f7338c09856dc148bd9f628d6c8f46b904967a3

SHA-256:
6216b7d7e343862d75a7ece514ab3c19c9eb7ab11c221a1104f9ff12e4bc1e9f

Scanner detections:
22 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/26/2024 12:11:30 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
6652208

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
Generic
2016.0.3183

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.305

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/20133

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
9.0.0.4799

ESET NOD32
Win64/Komodia.A potentially unsafe application
7.0.302.0

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

F-Secure
Adware.SwiftBrowse.CH
5.13.68

G Data
Adware.SwiftBrowse.CH
15.3.25

K7 AntiVirus
Adware
13.1915120

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
15.0.0.543

McAfee
Trojan.Artemis!26BD93234AAF
16.8.708.2

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.183

Norman
Adware.SwiftBrowse.CH
03.12.2014 13:20:04

nProtect
Adware.SwiftBrowse.CH
15.02.27.01

Reason Heuristics
PUP.Yontoo
15.3.2.0

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.61

Trend Micro
HS_BROWSEFOX.SM
10.465.02

VIPRE Antivirus
Threat.4150696
37588

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2085

File size:
47.6 KB (48,792 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\{475ad0ad-e406-46eb-a3d2-6bc1d8161b62}gw64.sys

Digital Signature
Signed by:
gate snapper

Authority:
VeriSign, Inc.

Valid from:
11/20/2014 3:30:00 AM

Valid to:
11/21/2015 3:29:59 AM

Subject:
CN=gate snapper, O=gate snapper, 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:
133A7A0373BA5F8F11B450D044B92146

File PE Metadata
Compilation timestamp:
3/1/2015 9:52:05 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lP7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3e/F:lFID6EGnLA8AFJTNEVmDU

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:
6.3922

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{475ad0ad-e406-46eb-a3d2-6bc1d8161b62}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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