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{7a3b1fa0-6acc-4a4a-9930-456a27e1b6c1}gw64.sys

snipsmart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {7a3b1fa0-6acc-4a4a-9930-456a27e1b6c1}gw64.sys by snipsmart has been detected as adware by 18 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{7a3b1fa0-6acc-4a4a-9930-456a27e1b6c1}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 snipsmart)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
4e018275d764671f3c65715e7c31394b

SHA-1:
4b8c4c88350a205ac03674001f13c3b8dbff7bce

SHA-256:
0cae4e1eb64d35e000fec4e44e0386451bde5d4b02ad508d33a755c8b91d5ee3

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
4/30/2024 4:54:51 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
6184438

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2014.12.17

AVG
Generic
2015.0.3256

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1760

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/19788

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
9.0.0.4668

ESET NOD32
Win64/BrowseFox.AG potentially unwanted 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
14.12.24

MicroWorld eScan
Adware.SwiftBrowse.CH
15.0.0.1056

Norman
Adware.SwiftBrowse.CH
04.12.2014 14:30:06

nProtect
Adware.SwiftBrowse.CH
14.12.16.01

Reason Heuristics
PUP.snipsmart.n
14.12.18.13

VIPRE Antivirus
Threat.4150696
35418

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2007

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\{7a3b1fa0-6acc-4a4a-9930-456a27e1b6c1}gw64.sys

Digital Signature
Signed by:
snipsmart

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 12:00:00 AM

Valid to:
8/5/2015 11:59:59 PM

Subject:
CN=snipsmart, O=snipsmart, 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:
44017A0654590E4048857CE5A4A44F1A

File PE Metadata
Compilation timestamp:
12/18/2014 2:27:38 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lT7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3QliQnS:JFID6EGnLA8AFJTNEVmDEiQS

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...
 
[+]

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{7a3b1fa0-6acc-4a4a-9930-456a27e1b6c1}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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