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{9c221a5c-c574-4612-b0c6-f2da09195dd9}w64.sys

Browse Burst

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {9c221a5c-c574-4612-b0c6-f2da09195dd9}w64.sys by Browse Burst has been detected as adware by 29 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{9c221a5c-c574-4612-b0c6-f2da09195dd9}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 Browse Burst)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
685452dc09a829363af6b64b7d907bba

SHA-1:
b2446b81a5d6dddf2b7d51ac3f6b75a687293157

SHA-256:
62a97ec80be5c462f0238aa24af04fbc03d46f0b7b9dd3f0e8fd94e9168f2459

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/23/2024 10:42:30 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
356

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.02.03

Avira AntiVirus
Adware/BrowseFox.yvf
7.11.206.130

avast!
Win64:BrowseFox-C [PUP]
2014.9-160213

AVG
Brewurst
2017.0.2834

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16213

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.220

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

Comodo Security
ApplicUnwnt
20935

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.13.02

ESET NOD32
Win64/BrowseFox.BD potentially unwanted (variant)
10.11110

Fortinet FortiGate
Adware/BrowseFox
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.CH
16.2.25

K7 AntiVirus
Adware
13.193.14835

McAfee
Artemis!F0BF095723C7
5600.6490

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.132

NANO AntiVirus
Riskware.Win64.NetFilter.djqnig
0.30.0.65070

nProtect
Adware.SwiftBrowse.CH
15.01.30.01

Qihoo 360 Security
Win32/Virus.Adware.2fe
1.0.0.1015

Reason Heuristics
PUP.Yontoo.BrowseBurst (M)
16.2.13.14

Sophos
Browse Fox
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9326

Trend Micro House Call
TROJ_GEN.R0C1C0EA115
7.2.44

Trend Micro
TROJ_GEN.R0C1C0EA115
10.465.13

VIPRE Antivirus
Trojan.Win32.Generic
37190

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2051

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\{9c221a5c-c574-4612-b0c6-f2da09195dd9}w64.sys

Digital Signature
Signed by:
Browse Burst

Authority:
VeriSign, Inc.

Valid from:
12/14/2013 5:30:00 AM

Valid to:
12/15/2014 5:29:59 AM

Subject:
CN=Browse Burst, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Browse Burst, 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:
5EBB22F5CE37ADB23A996080FB0E99D2

File PE Metadata
Compilation timestamp:
11/29/2014 11:10:46 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lC7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3Ycqc:AFID6EGnLA8AFJTNEVmDX/

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:
6.3942

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{9c221a5c-c574-4612-b0c6-f2da09195dd9}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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