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{ba099a85-e825-4802-83e7-d386a5b4a734}w64.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}w64.sys by BuzzSearch has been detected as adware by 20 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{ba099a85-e825-4802-83e7-d386a5b4a734}w64”. 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:
a1f706ef893aec7de775221a2ee5bc53

SHA-1:
979bfcec4e6c28222415c67304587ea4532176ce

SHA-256:
db2f6d8dd0b50c538ee39ccc3f9192c88031e75a90ac069ac17b38644ca863a4

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/24/2024 6:00:25 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.AQ
358

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.10.17

AVG
Brewurst
2017.0.2836

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16211

Bitdefender
Adware.SwiftBrowse.AQ
1.0.20.210

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

Dr.Web
Trojan.BPlug.123
9.0.1.042

Emsisoft Anti-Malware
Adware.SwiftBrowse.AQ
8.16.02.11.04

ESET NOD32
Win64/Riskware.NetFilter (variant)
10.10576

F-Secure
Adware.SwiftBrowse.AQ
11.2016-11-02_5

G Data
Adware.SwiftBrowse.AQ
16.2.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

McAfee
Artemis!5292CBCCFAC4
5600.6492

MicroWorld eScan
Adware.SwiftBrowse.AQ
17.0.0.126

nProtect
Adware.SwiftBrowse.AQ
14.08.07.01

Reason Heuristics
PUP.Yontoo.BuzzSearch (M)
16.2.11.16

Sophos
BrowseSmart
4.98

Trend Micro House Call
TROJ_GEN.F47V0604
7.2.42

VIPRE Antivirus
Threat.4150696
31208

File size:
43.3 KB (44,352 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}w64.sys

Digital Signature
Signed by:
BuzzSearch

Authority:
COMODO CA Limited

Valid from:
5/2/2014 7:00:00 PM

Valid to:
5/3/2015 6:59:59 PM

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:
9/12/2014 6:33:02 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:dgLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidH0+wc:u5ZEQI8E7ClquaC759Elp

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:
6.3638

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{ba099a85-e825-4802-83e7-d386a5b4a734}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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