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Norpalla.GCUpdate.dll

Norpalla

This is the Google Chrome extension manager/updater for the Yontoo Norpalla branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module Norpalla.GCUpdate.dll by Norpalla has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Norpalla  (signed and verified)

Version:
1.0.5410.37503

MD5:
9b04e51e16fdb660a3e0d893e9607e77

SHA-1:
6b4d228f1fb5902b950b4c6acb9f672cebfbec27

SHA-256:
16163856fb7f1f2ac3758c5aa260a5c762034bd50b5d4b32a80e4b61c2434061

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser extension for Chrome.

Analysis date:
4/19/2024 5:20:46 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.15.10

File size:
1.6 MB (1,648,928 bytes)

Product version:
1.0.5410.37503

Original file name:
Norpalla.GCUpdate.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\norpalla\bin\plugins\norpalla.gcupdate.dll

Digital Signature
Signed by:
Norpalla

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 5:30:00 AM

Valid to:
2/5/2015 5:29:59 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:
10/25/2014 10:20:14 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x192622

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, 02, 00, 00, 00, 6D, 00, 00, 00, 64, 26, 19, 00, 64, 08, 19, 00, 52, 53, 44, 53, 88, 8B, BD, 98, 99, EE, D2, 4A, 95, A8, A8, A9, 7F, 83, 1D, 59, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 62, 31, 68, 74, 34, 6D, 79, 6E, 2E, 72, 7A, 30, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.3205

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

Code size:
1.6 MB (1,640,448 bytes)

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