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{97a224e4-fe41-4078-b1ef-069fe8cd6d9f}gw64.sys

Round World

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {97a224e4-fe41-4078-b1ef-069fe8cd6d9f}gw64.sys by Round World has been detected as adware by 20 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{97a224e4-fe41-4078-b1ef-069fe8cd6d9f}Gw64”.
Publisher:
StdLib  (signed by Round World)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
71b0ead6b954a3dcff419e8c6883c822

SHA-1:
4b1ad1ef377cd8c86758b8477b09f7980c0d7a4c

SHA-256:
69535315e6df4aaf06336162d01a966094990e35ead3ce11be753c4174706a64

Scanner detections:
20 / 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:
4/19/2024 7:28:57 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
6648196

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

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
15.3.2.1

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.61

Trend Micro
HS_BROWSEFOX.SM
10.465.02

VIPRE Antivirus
Threat.4150696
37788

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2085

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\{97a224e4-fe41-4078-b1ef-069fe8cd6d9f}gw64.sys

Digital Signature
Signed by:
Round World

Authority:
VeriSign, Inc.

Valid from:
1/10/2015 4:00:00 PM

Valid to:
1/11/2016 3:59:59 PM

Subject:
CN=Round World, O=Round World, 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:
1E6F69E3F386155D988683D665483D02

File PE Metadata
Compilation timestamp:
3/1/2015 6:07:53 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lv7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD383dpN:lFID6EGnLA8AFJTNEVmDwdv

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:
6.3937

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{97a224e4-fe41-4078-b1ef-069fe8cd6d9f}Gw64

Type:
Kernel device driver (KernelDriver)


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