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{42320c86-6314-411b-b237-da3eeef5fbf5}w64.sys

Norpalla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {42320c86-6314-411b-b237-da3eeef5fbf5}w64.sys by Norpalla has been detected as adware by 33 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{42320c86-6314-411b-b237-da3eeef5fbf5}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 Norpalla)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
594b64c2e689f7c84f2889ca8d92f362

SHA-1:
c4911a985866ba191639f84e7f172fbb55d90f35

SHA-256:
06d875aeaca605d9874d4b3e34aff58dade87f0f4c3ee4721565c11d2256bfaf

Scanner detections:
33 / 68

Status:
Adware

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

Analysis date:
4/18/2024 9:45:16 AM 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
2015.09.18

Avira AntiVirus
ADWARE/BrowseFox.aov
8.3.2.2

avast!
Win32:BrowseFox-GD [PUP]
2014.9-160214

AVG
AdPlugin
2017.0.2834

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16214

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.225

Bkav FE
W64.HfsAdware
1.3.0.7237

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

Dr.Web
Trojan.Yontoo.1741
9.0.1.045

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.14.11

ESET NOD32
Win64/BrowseFox.AM (variant)
10.10859

Fortinet FortiGate
Adware/BrowseFox
2/14/2016

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

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

G Data
Adware.SwiftBrowse.CH
16.2.25

K7 AntiVirus
Adware
13.210.17253

Malwarebytes
PUP.Optional.Norpalla
v2016.02.14.11

McAfee
Artemis!5C1C858B9014
5600.6490

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.135

NANO AntiVirus
Riskware.Win64.BPlug.dvtonn
0.30.24.3283

Norman
Adware.SwiftBrowse.CH
11.20160214

nProtect
Adware.SwiftBrowse.CH
15.09.18.01

Panda Antivirus
Generic Suspicious
16.02.14.11

Qihoo 360 Security
Win32/Virus.Adware.8e4
1.0.0.1015

Reason Heuristics
PUP.Yontoo.Norpalla (M)
16.2.14.11

Rising Antivirus
PE:Adware.BrowserFox!1.A127[F1]
23.00.65.16212

SUPERAntiSpyware
Adware.BrowseFox/Variant
9324

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.45

Trend Micro
HS_BROWSEFOX.SM
10.465.14

VIPRE Antivirus
Trojan.Win32.Generic
43850

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2099

File size:
47.7 KB (48,824 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\{42320c86-6314-411b-b237-da3eeef5fbf5}w64.sys

Digital Signature
Signed by:
Norpalla

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 8:00:00 AM

Valid to:
2/5/2015 7:59:59 AM

Subject:
CN=Norpalla, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Norpalla, 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:
3CF8FDC7B1329843A9D5EE18CBB6A945

File PE Metadata
Compilation timestamp:
12/10/2014 3:39:07 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lN7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3/PMr:XFID6EGnLA8AFJTNEVmDsr

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:
6.3939

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{42320c86-6314-411b-b237-da3eeef5fbf5}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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