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{70d4f375-9680-4b93-b60c-f3813108bab1}w64.sys

KingBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {70d4f375-9680-4b93-b60c-f3813108bab1}w64.sys by KingBrowse has been detected as adware by 29 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{70d4f375-9680-4b93-b60c-f3813108bab1}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 KingBrowse)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
2800f7ebc70d3812e1a5b9ea61f70404

SHA-1:
59a45e3a1d5e21732dc434a7acabcf839d380ca7

SHA-256:
e5a48eed407bf74dac32b5eb3ac35b496d22c22215aeeb016b7d2de14b6b0a01

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/23/2024 5:15:14 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.L
356

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.07

Avira AntiVirus
ADWARE/BrowseFox.aot
3.6.1.96

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

AVG
Win.Threat.Medium
2017.0.2834

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16213

Bitdefender
Adware.SwiftBrowse.L
1.0.20.220

Bkav FE
W64.HfsAdware
1.3.0.6379

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

Dr.Web
Trojan.Yontoo.1741
9.0.1.044

Emsisoft Anti-Malware
Adware.SwiftBrowse.L
8.16.02.13.03

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

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

G Data
Adware.SwiftBrowse.CH
16.2.25

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.7.5.0

K7 AntiVirus
Adware
13.203.15703

McAfee
Artemis!2EFBEE200F8A
5600.6490

MicroWorld eScan
Adware.SwiftBrowse.L
17.0.0.132

Norman
Adware.SwiftBrowse.CH
11.20160213

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Qihoo 360 Security
Win32/Trojan.Adware.37e
1.0.0.1015

Reason Heuristics
PUP.Yontoo.KingBrowse (M)
16.2.13.15

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9326

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.44

Trend Micro
TROJ_GEN.R0C1C0OAH15
10.465.13

VIPRE Antivirus
Trojan.Win32.Generic
29520

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1913

File size:
43.7 KB (44,736 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\{70d4f375-9680-4b93-b60c-f3813108bab1}w64.sys

Digital Signature
Signed by:
KingBrowse

Authority:
VeriSign, Inc.

Valid from:
1/8/2014 9:00:00 PM

Valid to:
1/9/2015 8:59:59 PM

Subject:
CN=KingBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=KingBrowse, 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:
670CAB2C338090653CEA8172D5DB1E34

File PE Metadata
Compilation timestamp:
9/12/2014 8:33:02 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:sgLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHo:f5ZEQI8E7ClquaC759E

Entry address:
0xB064

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, C6, 60, FF, FF, CC, CC, 38, B2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, B6, 00, 00, 60, 81, 00, 00, 28, B1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, B9, 00, 00, 50, 80, 00, 00, D8, B0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, BA, 00, 00, 00, 80, 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, BA, 00, 00, 00, 00, 00, 00, 86, BA, 00, 00...
 
[+]

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{70d4f375-9680-4b93-b60c-f3813108bab1}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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