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{4ded1a93-d82c-44f5-b88e-a9db1ee9aee7}w64.sys

Megabrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {4ded1a93-d82c-44f5-b88e-a9db1ee9aee7}w64.sys by Megabrowse has been detected as adware by 15 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{4ded1a93-d82c-44f5-b88e-a9db1ee9aee7}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:
94178cef2bc68527ac5be76ac9863062

SHA-1:
88b720a2a3740484d0f90486589fdf0d9b1e47af

SHA-256:
dd7b319c8db2c6a8dfa753a3cb29264ab3e721a6a24506d3111486268dd9a494

Scanner detections:
15 / 68

Status:
Adware

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

Analysis date:
4/24/2024 11:28:43 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CE
734

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
Megabrowse
2016.0.3212

Bitdefender
Adware.SwiftBrowse.CE
1.0.20.160

Dr.Web
Tool.NetFilter.313
9.0.1.032

Emsisoft Anti-Malware
Adware.SwiftBrowse.CE
8.15.02.01.04

ESET NOD32
Win64/BrowseFox (variant)
9.10557

G Data
Adware.SwiftBrowse.CE
15.2.24

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
14.0.0.2554

McAfee
Artemis!94178CEF2BC6
5600.6868

MicroWorld eScan
Adware.SwiftBrowse.CE
16.0.0.96

Panda Antivirus
Trj/Chgt.H
15.02.01.04

Reason Heuristics
PUP.Yontoo
15.2.1.4

Sophos
Browse Fox
4.98

VIPRE Antivirus
Yontoo
33894

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\{4ded1a93-d82c-44f5-b88e-a9db1ee9aee7}w64.sys

Digital Signature
Signed by:
Megabrowse

Authority:
COMODO CA Limited

Valid from:
5/7/2014 4:00:00 AM

Valid to:
5/8/2015 3:59:59 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 11:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lF7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3vM+H+5:LFID6EGnLA8AFJTNEVmDvtu

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...
 
[+]

Entropy:
6.3807

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{4ded1a93-d82c-44f5-b88e-a9db1ee9aee7}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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