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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 19 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:
5adac8bf2a3a1caa774b48352abcf876

SHA-1:
3f98ddc0e581f6d583a8dea95f9fd68d6502504a

SHA-256:
a38b4feba5e7e8255a1b3b9259287cc53ae7a57eac54a9033c0ada319c560733

Scanner detections:
19 / 68

Status:
Adware

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

Analysis date:
4/26/2024 2:47:35 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
6213306

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2014.12.22

Avira AntiVirus
Adware/BrowseFox.aov
7.11.197.38

AVG
Norpalla
2015.0.3253

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1780

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/19819

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
9.0.0.4668

ESET NOD32
Win64/BrowseFox.AM potentially unwanted application
7.0.302.0

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

F-Secure
Adware.SwiftBrowse.CH
5.13.68

G Data
Adware.SwiftBrowse.CH
14.12.24

MicroWorld eScan
Adware.SwiftBrowse.CH
15.0.0.1068

Norman
Adware.SwiftBrowse.CH
04.12.2014 14:30:06

nProtect
Adware.SwiftBrowse.CH
14.12.22.01

Reason Heuristics
PUP.Norpalla.m
14.12.22.7

VIPRE Antivirus
Threat.4150696
35418

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2012

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 1:00:00 AM

Valid to:
2/5/2015 12:59:59 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:
12/22/2014 7:40:06 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lQ7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3IPM6:SFID6EGnLA8AFJTNEVmD76

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

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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