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{3de9eb9c-a833-42cb-b66f-841b954aebef}w64.sys

BringStar

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {3de9eb9c-a833-42cb-b66f-841b954aebef}w64.sys by BringStar has been detected as adware by 23 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{3de9eb9c-a833-42cb-b66f-841b954aebef}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 BringStar)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
78ec5febc5af7c3d5a20f28f07e00391

SHA-1:
95e639fe67ce291bdbb002e04d9ed05bcd501d53

SHA-256:
cadc8f5d35b865f4f21863b8b190ac696f4dd96dcafb788aebaca6fdf24092e4

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/25/2024 9:37:33 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.L
355

Agnitum Outpost
Riskware.NetFilter
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.19

avast!
Win64:Malware-gen
2014.9-160214

AVG
Generic
2017.0.2833

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16214

Bitdefender
Adware.SwiftBrowse.L
1.0.20.225

Comodo Security
UnclassifiedMalware
18740

Emsisoft Anti-Malware
Adware.SwiftBrowse.L
8.16.02.14.03

ESET NOD32
Win64/Riskware.NetFilter.F application
10.7.0.302.0

F-Secure
Adware.SwiftBrowse.L
11.2016-14-02_1

G Data
Adware.SwiftBrowse
16.2.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.NetFilter
v2016.02.14.03

McAfee
Artemis!2EFBEE200F8A
5600.6489

MicroWorld eScan
Adware.SwiftBrowse.L
17.0.0.135

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.Yontoo.BringStar (M)
16.2.14.15

Sophos
BrowseSmart
4.98

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.45

VIPRE Antivirus
Trojan.Win32.Generic
29520

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1901

File size:
59.7 KB (61,112 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\{3de9eb9c-a833-42cb-b66f-841b954aebef}w64.sys

Digital Signature
Signed by:
BringStar

Authority:
VeriSign, Inc.

Valid from:
1/8/2014 10:00:00 PM

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

Subject:
CN=BringStar, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BringStar, 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:
0690B649CE1A1DFAAC570B0AAE6E5D30

File PE Metadata
Compilation timestamp:
1/30/2014 10:45:30 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:u7ot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidInMl:A9JRicy938ip9ea1jMl

Entry address:
0xF064

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, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 00, 00, C0, 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, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{3de9eb9c-a833-42cb-b66f-841b954aebef}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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