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norpallabho.dll

Norpalla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module norpallabho.dll by Norpalla has been detected as adware by 26 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘Norpalla’. 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:
Norpalla  (signed and verified)

Product:
Norpalla

Version:
1.0.0.3

MD5:
691c17c06238f5c9edd3dd8e11c3869d

SHA-1:
151707a3511f92f76086ac7bc256d9082ff9ed3c

SHA-256:
bcf7ea867a63cf5c78528046195eb8776671ea3f37db7ee55fd6aabd2d073a0d

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
4/24/2024 9:22:13 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.BHO.Agent.4
925

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.07.16

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.160.234

AVG
Adware BrowseFox.F
2014.0.3986

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14725

Bitdefender
Gen:Variant.Adware.BHO.Agent.4
1.0.20.1030

Comodo Security
Application.Win32.Altbrowse.AK
18864

Dr.Web
Trojan.BPlug.28
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.BHO.Agent
8.14.07.25.09

ESET NOD32
Win32/BrowseFox.F potentially unwanted application
7.0.302.0

Fortinet FortiGate
Adware/Agent
7/25/2014

F-Secure
Gen:Variant.Adware.BHO.Agent.4
11.2014-25-07_6

G Data
Gen:Variant.Adware.BHO.Agent
14.7.24

Kaspersky
not-a-virus:AdWare.Win32.Agent
15.0.0.494

Malwarebytes
PUP.Optional.Norpalla.A
v2014.07.25.09

McAfee
Artemis!81C365F41124
5600.7059

MicroWorld eScan
Gen:Variant.Adware.BHO.Agent.4
15.0.0.618

NANO AntiVirus
Riskware.Win32.Agent.cuenda
0.28.2.60881

Panda Antivirus
Trj/CI.A
14.07.25.09

Qihoo 360 Security
HEUR/Malware.QVM30.Gen
1.0.0.1015

Reason Heuristics
Adware.Yontoo.Norpalla.L
14.7.25.9

Sophos
Generic PUA NG
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10462

Trend Micro House Call
Suspicious_GEN.F47V0715
7.2.206

VIPRE Antivirus
Yontoo
31306

Zillya! Antivirus
Adware.Agent.Win32.9009
2.0.0.1859

File size:
243.8 KB (249,632 bytes)

Product version:
1.0.0.3

Copyright:
(c) Norpalla. All rights reserved.

Original file name:
NorpallaIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\norpalla\norpallabho.dll

Digital Signature
Signed by:
Norpalla

Authority:
VeriSign, Inc.

Valid from:
2/3/2014 10:00:00 PM

Valid to:
2/4/2015 9:59:59 PM

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:
7/23/2014 12:49:01 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:Z7w3txaAf0ZP0Thn+BClmD5J0M21m+2BIaI/Y3h9pItOB:Z7w6ZQd+/xJBIQxfIs

Entry address:
0x12844

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 20, 2D, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 04, 68, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 7C, A1, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
Norpalla

CLSID:
{18b20944-f54e-4509-88fa-f0ad137bf8de}


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