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Norpalla.OfSvc.dll

Norpalla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module Norpalla.OfSvc.dll by Norpalla has been detected as adware by 12 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)

Version:
1.0.5406.33782

MD5:
6e1cb1b4aa784b4324bf1db13535abe6

SHA-1:
995305d55129d870d7d158fbc0221db7e0c01e1b

SHA-256:
6e18e9885d1baa6bd8e191fa5731620d8be8d3386343c97ae5e869e4081881b2

Scanner detections:
12 / 68

Status:
Adware

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

Analysis date:
4/24/2024 2:26:57 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.180.138

AVG
Norpalla
2015.0.3314

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141022

Dr.Web
Trojan.BPlug.229
9.0.1.05190

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3063

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.10.22.08

McAfee
BrowseFox.a
5600.6970

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
PUP.Norpalla.N
14.10.22.8

Sophos
Browse Fox
4.98

VIPRE Antivirus
Threat.4741131
33706

File size:
1.2 MB (1,274,656 bytes)

Product version:
1.0.5406.33782

Original file name:
Norpalla.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\norpalla\bin\plugins\norpalla.ofsvc.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:
10/20/2014 10:46:18 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:/BCHd5ul2PEyO961I6m1BNuo38GX4WfLBcrzrQAp4MhnOVLW7d2PKuZ6:/4Hd51I6mh35fNcrzrrujLY8w

Entry address:
0x1371BA

Entry point:
FF, 25, 00, 20, 40, 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, 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, 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, 00, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.7609

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
1.2 MB (1,266,176 bytes)

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