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{90b6a102-782f-4c36-a3a9-17de29ea9425}w64.sys

BrowseMark

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {90b6a102-782f-4c36-a3a9-17de29ea9425}w64.sys by BrowseMark has been detected as adware by 27 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{90b6a102-782f-4c36-a3a9-17de29ea9425}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 BrowseMark)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
21d086521714c8be5df0554b001c3443

SHA-1:
7f0d5b4b77d2fd3440b370cfac0082b0549470bb

SHA-256:
f0d78568fb016e343daac00a04ac023e0b687e629b38fffc1145ae4e676c88b7

Scanner detections:
27 / 68

Status:
Adware

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

Analysis date:
4/25/2024 11:31:49 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.BF
354

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2014.12.13

Avira AntiVirus
Adware/BrowseFox.aoz
7.11.195.44

avast!
Win32:BrowseFox-FI [PUP]
2014.9-160215

AVG
Bromrak
2017.0.2832

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16215

Bitdefender
Adware.SwiftBrowse.BF
1.0.20.230

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21511

Emsisoft Anti-Malware
Adware.SwiftBrowse.BF
8.16.02.15.07

ESET NOD32
Win64/BrowseFox.CG (variant)
10.10870

Fortinet FortiGate
Adware/BrowseFox
2/15/2016

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

F-Secure
Adware.SwiftBrowse.BF
11.2016-15-02_2

G Data
Adware.SwiftBrowse.BF
16.2.24

K7 AntiVirus
Trojan
13.187.14319

McAfee
Artemis!31CADAF1496B
5600.6488

MicroWorld eScan
Adware.SwiftBrowse.BF
17.0.0.138

NANO AntiVirus
Riskware.Win64.NetFilter.diushl
0.28.6.63850

nProtect
Adware.SwiftBrowse.BF
14.12.12.01

Reason Heuristics
PUP.Yontoo.BrowseMark (M)
16.2.15.19

Rising Antivirus
PE:Trojan.Win32.Generic.178BD053!395038803
23.00.65.16213

Sophos
Browse Fox
4.98

Trend Micro House Call
TROJ_GEN.R02KC0EL614
7.2.46

Trend Micro
TROJ_GEN.R02KC0EL614
10.465.15

VIPRE Antivirus
Trojan.Win32.Generic
35680

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2005

File size:
47.7 KB (48,832 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\{90b6a102-782f-4c36-a3a9-17de29ea9425}w64.sys

Digital Signature
Signed by:
BrowseMark

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 1:00:00 AM

Valid to:
2/5/2015 12:59:59 AM

Subject:
CN=BrowseMark, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BrowseMark, L=Santa Monica, 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:
61D3176BC90758B1B3F2AF5F8E4B7075

File PE Metadata
Compilation timestamp:
11/20/2014 11:36:58 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lY7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3PPAY:aFID6EGnLA8AFJTNEVmDPIY

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:
{90b6a102-782f-4c36-a3a9-17de29ea9425}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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