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Norpalla.CompatibilityChecker.dll

Norpalla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module Norpalla.CompatibilityChecker.dll by Norpalla has been detected as adware by 10 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:
1.0.5406.33752

MD5:
4cdb577d255175bd4aa1fbd843e93c5a

SHA-1:
9d45c7d483732b543225bf5c4f707262db5fd05f

SHA-256:
3b95a18c9362fdac6e59e47c3dee6a93286c2e6bc5e6897d6415dfbc038ae9b5

Scanner detections:
10 / 68

Status:
Adware

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

Analysis date:
4/26/2024 7:45:41 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Norpalla
2015.0.3314

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141022

Dr.Web
Trojan.Yontoo.11
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.b
5600.6970

Reason Heuristics
Adware.Yontoo.Norpalla.CC
14.10.22.8

Sophos
Browse Fox
4.98

VIPRE Antivirus
Threat.4741131
33706

File size:
62.3 KB (63,776 bytes)

Product version:
1.0.5406.33752

Original file name:
Norpalla.CompatibilityChecker.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\norpalla\bin\plugins\norpalla.compatibilitychecker.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 10:45:10 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
1536:Z2WT2iaQnGyVFfYX00yHyNC3p1ppYrhFmmUce72qqi:s/zGGyV65C3ppiFm772qqi

Entry address:
0xF786

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, 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...
 
[+]

Entropy:
6.0961

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

Code size:
54 KB (55,296 bytes)

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