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{ba099a85-e825-4802-83e7-d386a5b4a734}gw64.sys

BuzzSearch

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {ba099a85-e825-4802-83e7-d386a5b4a734}gw64.sys by BuzzSearch has been detected as adware by 23 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{ba099a85-e825-4802-83e7-d386a5b4a734}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 BuzzSearch)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
350dca524dc9a787c03af18ad963eaf5

SHA-1:
aed028c2cff09dfae8ebbf3131fa9b6fc9ed941a

SHA-256:
d3aab573d802b904424a5ac096e6ef4440309f5136296371fee3a511ea607233

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/24/2024 1:13:06 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.AQ
655

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.11.04

AVG
Hulaoo
2016.0.3133

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15722

Bitdefender
Adware.SwiftBrowse.AQ
1.0.20.555

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/21411

Dr.Web
Trojan.BPlug.123
9.0.1.0111

Emsisoft Anti-Malware
Adware.SwiftBrowse.AQ
8.15.04.21.04

ESET NOD32
Win64/Riskware.NetFilter (variant)
9.10662

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.AQ
11.2015-21-04_3

G Data
Adware.SwiftBrowse.AQ
15.4.24

herdProtect (fuzzy)
variant of {b2db3058-74ee-4ace-bcd8-8cd0fbe3a4f6}w64.sys (Adware)
2015.7.22.12

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!7BF0BA8E01B7
5600.6696

MicroWorld eScan
Adware.SwiftBrowse.AQ
16.0.0.333

nProtect
Adware.SwiftBrowse.AQ
14.11.03.01

Reason Heuristics
Threat.Yontoo.BuzzSearch
15.4.21.0

Sophos
BrowseSmart
4.98

Trend Micro House Call
TROJ_GEN.F47V0609
7.2.203

VIPRE Antivirus
Trojan.Win32.Generic
30350

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1975

File size:
59.3 KB (60,736 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\{ba099a85-e825-4802-83e7-d386a5b4a734}gw64.sys

Digital Signature
Signed by:
BuzzSearch

Authority:
COMODO CA Limited

Valid from:
5/3/2014 7:00:00 AM

Valid to:
5/4/2015 6:59:59 AM

Subject:
CN=BuzzSearch, OU=BuzzSearch, O=BuzzSearch, STREET=10620 Treena Street Suite 230, L=San Diego, S=Ca, PostalCode=92131, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00DD9FCB2E901E39FD097F0632D190AF7E

File PE Metadata
Compilation timestamp:
1/31/2014 7:45:30 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Fot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidIT+wl:F9JRicy938ip9ea1jKw

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:
5.9504

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{ba099a85-e825-4802-83e7-d386a5b4a734}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.