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norpallauninstall.exe

The application norpallauninstall.exe has been detected as adware by 5 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. This is the uninstaller utility registered in the Windows Control Panel for the program Norpalla by Norpalla. Additionally, the file is typically installed by a number of programs including Norpalla by Yontoo Technology, Inc. and Buzzdock by Alactro LLC, both potentially unwanted software. 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.
MD5:
aeec78b81b1638271d0562330a8b6704

SHA-1:
3724188a099a511f7629f03642f8bbf7d40e8f9b

SHA-256:
58b1e3b3cc5224085c957de4d9e2ca1528cf1d742ff52a0a6e4f83c2356123d7

Scanner detections:
5 / 68

Status:
Adware

Explanation:
This is the installer/uninstaller for the Yontoo branded (norpalla) adware program. The main protgram is desigend to deliver advertisements to the user's web browser through injection.

Analysis date:
4/20/2024 2:57:32 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14730

Clam AntiVirus
Win.Adware.Linkular
0.98/19185

ESET NOD32
Win32/BrowseFox
8.10174

Reason Heuristics
Adware.Yontoo.R
14.7.30.0

SUPERAntiSpyware
Adware.BrowseFox/Variant
10453

File size:
235.4 KB (241,074 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\norpalla\norpallauninstall.exe

File PE Metadata
Compilation timestamp:
12/6/2009 1:52:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:IZ+11YI1dr6/1RWBT5eTRktP6G03Zm/G/HcHVq:QIXrk1s15Gev0s/G/8HM

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9130

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

Program Uninstaller
Program name:
Norpalla

Display publisher:
Norpalla

Display version:
2014.07.22.040750

Uninstall string:
C:\Program Files\Norpalla\Norpallauninstall.exe


The file norpallauninstall.exe has been discovered within the following programs.

Buzzdock  by Alactro LLC
This is a web browser extension that injects advertising. From the EULA: "Buzzdock is free to download and use. Buzzdock is supported by advertising, and users will see additional ads on websites where Buzzdock features operate.
www.buzzdock.com/faq-support
79% remove it
Norpalla  by Yontoo Technology, Inc.
This adware software (a branded version of the morphing Yontoo adware browser addon) injects itself into the user's web browser (IE, Chrome and Firefox) and will display out-of context advertising on web sites that are not associated with Yontoo or its affiliate partners.
norpalla.com/support
79% remove it
 
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