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norpallabaapp.dll

Norpalla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module norpallabaapp.dll by Norpalla has been detected as adware by 24 anti-malware scanners. 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)

MD5:
a8fcc119a40145b712c91272a0686689

SHA-1:
aa9d8ff491758cb274f92c2b9ffa44849c293017

SHA-256:
77e320cc39fd8a1eefecd45e59e26138f9b2e9f6a2441ee4931573e8a68a03ef

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/19/2024 5:44:50 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.D
920

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
APPL/BrowseFox.Gen
7.11.160.194

AVG
Zebrar
2015.0.3398

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14730

Bitdefender
Adware.BrowseFox.D
1.0.20.1055

Clam AntiVirus
Win.Adware.Swiftbrowse-53
0.98/19246

Comodo Security
Application.Win32.AltBrowse.AKB
18857

Dr.Web
Trojan.BPlug.79
9.0.1.0211

Emsisoft Anti-Malware
Adware.BrowseFox
8.14.07.30.01

ESET NOD32
Win32/BrowseFox.I potentially unwanted application
8.7.0.302.0

F-Secure
Adware.BrowseFox.D
11.2014-30-07_4

G Data
Adware.BrowseFox
14.7.24

herdProtect (fuzzy)
variant of zebarbaapp.dll (Adware)
2014.9.10.5

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.6.1.0

MicroWorld eScan
Adware.BrowseFox.D
15.0.0.633

NANO AntiVirus
Riskware.Win32.LinkSwift.dckyut
0.28.2.61148

nProtect
Adware.BrowseFox.D
14.07.29.01

Panda Antivirus
Adware/BrowserFox
14.07.30.01

Reason Heuristics
PUP.Norpalla.N
14.7.30.0

SUPERAntiSpyware
Adware.Downloader/Variant
10453

Vba32 AntiVirus
AdWare.Agent
3.12.26.3

VIPRE Antivirus
Threat.4150696
31208

Zillya! Antivirus
Trojan.Katusha.Win32.30038
2.0.0.1858

File size:
179.3 KB (183,584 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\norpalla\bin\norpallabaapp.dll

Digital Signature
Signed by:
Norpalla

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 3:00:00 AM

Valid to:
2/5/2015 2:59:59 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:
7/8/2014 9:04:55 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:hEBVpsHdKqejTdx7V8zPJvPwUssoyBjtIAiCt+JFxrw:hE5jTdj4BvesoYjtIA9tQfs

Entry address:
0xF6EC

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 68, 75, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, A0, 25, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 18, 20, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 56, 8B, 35, D8, 20, 02, 10, 57, FF, 35...
 
[+]

Entropy:
6.5491

Code size:
129.5 KB (132,608 bytes)

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