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{29b136c9-938d-4d3d-8df8-d649d9b74d02}w64.sys

Megabrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {29b136c9-938d-4d3d-8df8-d649d9b74d02}w64.sys by Megabrowse has been detected as adware by 28 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{29b136c9-938d-4d3d-8df8-d649d9b74d02}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 Megabrowse)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
212495aa6f34a4e8dc60ed7811123e1a

SHA-1:
9b3505a681cc77a95f8c6cb07338bbf6f7291951

SHA-256:
d2f05642293040a34704da254f4d1c359cff104c65a18cc9f8bb6615c47a78d5

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/19/2024 11:24:24 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
356

Agnitum Outpost
PUA.Yotoon
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.18

avast!
Win32:BrowseFox-DD [PUP]
2014.9-160213

AVG
Adware AdPlugin
2017.0.2834

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16213

Bitdefender
Adware.SwiftBrowse.U
1.0.20.220

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/20437

Dr.Web
Trojan.Yontoo.1742
9.0.1.044

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.13.07

ESET NOD32
Win64/BrowseFox (variant)
10.10601

Fortinet FortiGate
Adware/Yotoon
2/13/2016

F-Prot
W64/A-59c9c70a
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2016-13-02_7

G Data
Adware.SwiftBrowse
16.2.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
14.0.0.666

McAfee
Program.Artemis!E0B897358896
5600.6490

MicroWorld eScan
Adware.SwiftBrowse.U
17.0.0.132

Norman
Adware.SwiftBrowse.CH
11.20160213

nProtect
Adware.SwiftBrowse.CH
14.10.21.01

Panda Antivirus
Trj/Chgt.I
16.02.13.07

Reason Heuristics
PUP.Yontoo.Megabrowse (M)
16.2.13.19

Sophos
PUA 'Browse Fox'
5.14

Trend Micro House Call
Suspicious_GEN.F47V0611
7.2.44

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Yontoo
33674

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1926

File size:
47.3 KB (48,416 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{29b136c9-938d-4d3d-8df8-d649d9b74d02}w64.sys

Digital Signature
Signed by:
Megabrowse

Authority:
COMODO CA Limited

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

Valid to:
5/8/2015 1:59:59 AM

Subject:
CN=Megabrowse, O=Megabrowse, 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:
0CD194221ED016F035BD7BACA4027DC3

File PE Metadata
Compilation timestamp:
9/22/2014 9:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lW7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3vM+H+Z:cFID6EGnLA8AFJTNEVmDvt2

Entry address:
0xC064

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, E2, 50, FF, FF, CC, CC, 78, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, C6, 00, 00, A0, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, CA, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, CB, 00, 00, 00, 90, 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, B6, CB, 00, 00, 00, 00, 00, 00, A2, CB, 00, 00...
 
[+]

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{29b136c9-938d-4d3d-8df8-d649d9b74d02}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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