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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:
c41f939f2323a6d567b81f360c5618a6

SHA-1:
ec98d00478914ebac3722bd03fa7f10ef8acb59a

SHA-256:
0ca1fa9b6402639e6c9ab1c5a2e754507818cbf329586277b7c9a01287cf0b05

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
5/4/2024 12:50:58 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
363

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.10.27

avast!
Win32:BrowseFox-CZ [PUP]
2014.9-160207

AVG
Generic
2017.0.2841

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1627

Bitdefender
Adware.SwiftBrowse.BV
1.0.20.190

Bkav FE
W64.HfsAdware
1.3.0.6379

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

Dr.Web
Trojan.BPlug.123
9.0.1.038

Emsisoft Anti-Malware
Adware.NetFilter
8.16.02.07.06

F-Prot
W64/A-abca7297
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.BV
11.2016-07-02_1

G Data
Adware.SwiftBrowse.BV
16.2.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.7.5.0

McAfee
Artemis!EA14617A2291
5600.6497

MicroWorld eScan
Adware.SwiftBrowse.L
17.0.0.114

Norman
Adware.NetFilter.E
11.20160207

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Panda Antivirus
Trj/CI.A
16.02.07.06

Reason Heuristics
PUP.Yontoo.BatBrowse (M)
16.2.7.6

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.NetFilter/Variant
9338

Trend Micro House Call
Suspicious_GEN.F47V0815
7.2.38

VIPRE Antivirus
Adware.SwiftBrowse
32272

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1992

File size:
59.7 KB (61,112 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:
10/7/2013 5:30:00 AM

Valid to:
10/8/2014 5:29:59 AM

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:
8/7/2014 5:22:18 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Qot2dxF9O8ZF33iqiIy9387Hp9XcfBzSowidIyx7:Q9JRicy938Lp9eW1jW7

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:
5.9519

Code size:
46.5 KB (47,616 bytes)

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

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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