{3bd202b6-51af-4fff-a406-c77ffd35d7bd}w64.sys

Browsebeyond

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {3bd202b6-51af-4fff-a406-c77ffd35d7bd}w64.sys by Browsebeyond has been detected as adware by 18 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{3bd202b6-51af-4fff-a406-c77ffd35d7bd}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 Browsebeyond)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
1b4138b6ddfd568a80497de37db2ede8

SHA-1:
93d12e3196aeb9c97f4f152e78657db5bc40f1cd

SHA-256:
52510befd7183242af9dc3c28dc880b7c06f5a234972d582ff0323720372ee5c

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
4/26/2024 1:42:21 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.E
602

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.29

AVG
Generic
2016.0.3080

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15613

Bitdefender
Adware.NetFilter.E
1.0.20.820

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

Dr.Web
Trojan.BPlug.123
9.0.1.0164

Emsisoft Anti-Malware
Adware.NetFilter
8.15.06.13.08

F-Prot
W64/A-7883d091
v6.4.7.1.166

F-Secure
Adware.NetFilter.E
11.2015-13-06_7

G Data
Adware.NetFilter
15.6.24

MicroWorld eScan
Adware.NetFilter.E
16.0.0.492

nProtect
Adware.NetFilter.E
14.09.28.01

Reason Heuristics
PUP.Yontoo.Browsebeyond
15.6.13.8

Sophos
BrowseSmart
4.98

VIPRE Antivirus
Trojan.Win32.Generic
33512

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1936

File size:
59.7 KB (61,120 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\{3bd202b6-51af-4fff-a406-c77ffd35d7bd}w64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 5:30:00 AM

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

Subject:
CN=Browsebeyond, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Browsebeyond, 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:
5B076B434A8E42452548957D9992702C

File PE Metadata
Compilation timestamp:
1/31/2014 6:15:30 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Vot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidIDHid:V9JRicy938ip9ea1jWd

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:
5.9649

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{3bd202b6-51af-4fff-a406-c77ffd35d7bd}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI