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{67c662df-ee30-43f3-a32d-6c1a5a35a202}gw64.sys

BooZaka

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {67c662df-ee30-43f3-a32d-6c1a5a35a202}gw64.sys by BooZaka has been detected as adware by 25 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{67c662df-ee30-43f3-a32d-6c1a5a35a202}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 BooZaka)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
54376858a3b7a0b1bd8a835d59af7b46

SHA-1:
728ff3715996fb3bdc00fb7ba65d6b4002bf714e

SHA-256:
a69422f167c3425fb31fc0f9cc40d425810b9680d309043fc9504c3a7f096aca

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/23/2024 4:41:59 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.S
864

Agnitum Outpost
PUA.Yotoon
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.14

AVG
Generic
2015.0.3342

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14125

Bitdefender
Adware.SwiftBrowse.S
1.0.20.1330

Clam AntiVirus
Win.Adware.Swiftbrowse-284
0.98/19414

Dr.Web
hacktool program Tool.NetFilter.1
9.0.1.0266

Emsisoft Anti-Malware
Adware.SwiftBrowse.S
8.14.09.23.01

ESET NOD32
Win64/BrowseFox.BZ (variant)
8.10647

F-Prot
W64/A-abca7297
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.S
11.2014-23-09_3

G Data
Adware.SwiftBrowse
14.9.24

herdProtect (fuzzy)
variant of {0bd9bacb-0a2d-4412-900e-b2473afd87b4}gw64.sys (Adware)
2014.12.5.17

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.8.0

McAfee
Artemis!DB0B2C8AA18C
5600.6925

MicroWorld eScan
Adware.SwiftBrowse.S
15.0.0.798

nProtect
Adware.SwiftBrowse.S
14.09.12.01

Panda Antivirus
Trj/CI.A
14.12.05.12

Reason Heuristics
PUP.BooZaka.n
14.9.23.14

Rising Antivirus
PE:Trojan.Win32.Generic.17075FC4!386359236
23.00.65.141203

Sophos
BrowseSmart
4.98

Trend Micro House Call
Suspicious_GEN.F47V0721
7.2.339

VIPRE Antivirus
Trojan.Win32.Generic
33082

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1921

File size:
43.7 KB (44,728 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\{67c662df-ee30-43f3-a32d-6c1a5a35a202}gw64.sys

Digital Signature
Signed by:
BooZaka

Authority:
VeriSign, Inc.

Valid from:
3/18/2014 5:00:00 PM

Valid to:
3/19/2015 4:59:59 PM

Subject:
CN=BooZaka, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BooZaka, 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:
798D14F2EA94D165A332BEEBA73F4EE8

File PE Metadata
Compilation timestamp:
9/12/2014 4:33:02 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:UgLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHAE:n5ZEQI8E7ClquaC759ET

Entry address:
0xB064

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, C6, 60, FF, FF, CC, CC, 38, B2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, B6, 00, 00, 60, 81, 00, 00, 28, B1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, B9, 00, 00, 50, 80, 00, 00, D8, B0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, BA, 00, 00, 00, 80, 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, BA, 00, 00, 00, 00, 00, 00, 86, BA, 00, 00...
 
[+]

Entropy:
6.3760

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{67c662df-ee30-43f3-a32d-6c1a5a35a202}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.