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{3b232d24-d5de-4194-b4d7-d53b41a09748}w64.sys

lucky leap

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {3b232d24-d5de-4194-b4d7-d53b41a09748}w64.sys by lucky leap has been detected as adware by 29 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{3b232d24-d5de-4194-b4d7-d53b41a09748}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 lucky leap)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
2b33babdaf5a2ba41cae5ed85c6c995f

SHA-1:
f350ec438eb266e355b6e16b4666fc99f5c10bad

SHA-256:
5c57550125baccfb1c1a6f538aa16c2719e1418b57f2e93eb37dc0a239f93d94

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/26/2024 1:40:43 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.L
361

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.18

avast!
Win64:Malware-gen
2014.9-160209

AVG
MalSign.Generic
2017.0.2839

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1629

Bitdefender
Adware.SwiftBrowse.L
1.0.20.200

Clam AntiVirus
Win.Adware.Swiftbrowse-75
0.98/21411

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Trojan.BPlug.123
9.0.1.040

Emsisoft Anti-Malware
Adware.SwiftBrowse.L
8.16.02.09.03

ESET NOD32
Win64/Riskware.NetFilter (variant)
10.10434

F-Prot
W64/A-e967bae2
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.L
11.2016-09-02_3

G Data
Adware.SwiftBrowse
16.2.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.NetFilter
v2016.02.09.03

McAfee
Artemis!5D523940819C
5600.6495

MicroWorld eScan
Adware.SwiftBrowse.L
17.0.0.120

Norman
Adware.NetFilter.E
11.20160209

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Panda Antivirus
Adware/BrowserFox
16.02.09.03

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.Yontoo.luckyleap (M)
16.2.9.3

Sophos
Lucky Leap
4.98

Trend Micro House Call
Suspicious_GEN.F47V0726
7.2.40

Trend Micro
HS_BROWSEFOX.SM
10.465.09

VIPRE Antivirus
Yontoo
27528

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1899

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\{3b232d24-d5de-4194-b4d7-d53b41a09748}w64.sys

Digital Signature
Signed by:
lucky leap

Authority:
VeriSign, Inc.

Valid from:
8/13/2013 3:00:00 AM

Valid to:
8/14/2015 2:59:59 AM

Subject:
CN=lucky leap, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=lucky leap, 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:
6A5011DFCDBB457548BCC92ED7587788

File PE Metadata
Compilation timestamp:
9/22/2014 10:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lT7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD348mv:pFID6EGnLA8AFJTNEVmD4Dv

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:
{3b232d24-d5de-4194-b4d7-d53b41a09748}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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