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{a459d632-5225-4bb9-9a0b-002544d16f6e}w64.sys

BatBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {a459d632-5225-4bb9-9a0b-002544d16f6e}w64.sys by BatBrowse has been detected as adware by 26 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{a459d632-5225-4bb9-9a0b-002544d16f6e}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 BatBrowse)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
f7c4438c4d4cf484d507785717488b6c

SHA-1:
562b6ab24133c591905317b95f2d993c2a39cb2c

SHA-256:
bebdb8e2e3f4d8c9b8f8ca3272997addaf37e0244e62fa0f86aa0291288fe564

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
4/19/2024 1:24:31 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
360

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.10.27

avast!
Win32:BrowseFox-CZ [PUP]
2014.9-160209

AVG
Generic
2017.0.2838

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1629

Bitdefender
Adware.SwiftBrowse.BV
1.0.20.200

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/20370

Dr.Web
Trojan.BPlug.123
9.0.1.040

Emsisoft Anti-Malware
Adware.NetFilter
8.16.02.09.07

F-Prot
W64/A-abca7297
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.BV
11.2016-09-02_3

G Data
Adware.SwiftBrowse.BV
16.2.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.7.5.0

McAfee
Artemis!EA14617A2291
5600.6494

MicroWorld eScan
Adware.SwiftBrowse.L
17.0.0.120

Norman
Adware.NetFilter.E
11.20160209

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Panda Antivirus
Trj/CI.A
16.02.09.07

Reason Heuristics
PUP.Yontoo.BatBrowse (M)
16.2.9.19

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.NetFilter/Variant
9333

Trend Micro House Call
Suspicious_GEN.F47V0815
7.2.40

VIPRE Antivirus
Adware.SwiftBrowse
32272

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1992

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\{a459d632-5225-4bb9-9a0b-002544d16f6e}w64.sys

Digital Signature
Signed by:
BatBrowse

Authority:
VeriSign, Inc.

Valid from:
10/6/2013 9:00:00 PM

Valid to:
10/7/2014 8:59:59 PM

Subject:
CN=BatBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BatBrowse, 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:
3F7DCC78325FB87F0EDAB32A56DD2A54

File PE Metadata
Compilation timestamp:
9/12/2014 8:33:02 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:FgLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHAfL:25ZEQI8E7ClquaC759EE

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...
 
[+]

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{a459d632-5225-4bb9-9a0b-002544d16f6e}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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