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addonsui.exe

WindApp

NOSIBAY

The application addonsui.exe by NOSIBAY has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. Additionally, the file is typically installed by a number of programs including WindApp (remove only) by Nosibay and WindApp by Nosibay, both potentially unwanted software. The file has been seen being downloaded from ca-cdn.windapp.net and multiple other hosts.
Publisher:
NOSIBAY  (signed and verified)

Product:
WindApp

Version:
3.0.673.0.62793

MD5:
f4d4b12c44a232b68a8e0764e94f04d1

SHA-1:
dab5409975a4f16abb023de61c166d82f5044a05

SHA-256:
ba356bfaac5d98c3cf8e6eda18e9778993e3f0ee0b63a9bcce27318dd510d7af

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
11/8/2024 9:36:47 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2016.0.3163

Dr.Web
Adware.Downware.9155
9.0.1.080

Reason Heuristics
PUP.Installer.NOSIBAY
15.3.21.16

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.3

File size:
420.5 KB (430,640 bytes)

Copyright:
© Store

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\roaming\store\windapp\tmp\updates\addonsui.exe

Digital Signature
Signed by:
NOSIBAY

Authority:
Thawte, Inc.

Valid from:
9/24/2014 8:00:00 PM

Valid to:
12/25/2015 6:59:59 PM

Subject:
CN=NOSIBAY, OU=Secure Application Development, O=NOSIBAY, L=PEROLS, S=Hérault, C=FR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
52E368957AD1C7202A103C7CFD7BD6C2

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:Me34eJddl6YHey2ZYc6Hknq73ZX8wjveEtt2NB6+shLfXc0Ff2I03bJ:lJdd8Yz2TqNyEWfXshbN2fd

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9345

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

WindApp  by Nosibay
WindApp is an ad-supported program that may deliver third-party advertisements in the form of coupons, price-comparisons, display media, affiliate links, banners, popups/popunders and other links through means including but not limited to the content of any web page accessed, plug-ins, add-ons, or the browser itself.
61% remove it
WindApp (remove only)  by Nosibay
WindApp is an web browser advertisement extension that delivers ads to the user's web browser. Ads are in the form of traditional banners as well as context-hyper links.
81% remove it
 
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The file addonsui.exe has been seen being distributed by the following 6 URLs.

http://ca-cdn.windapp.net/dld/update/2015_03_20/.../AddonsUI.exe

http://gb-cdn.windapp.net/dld/update/2015_03_20/.../AddonsUI.exe

http://it-cdn.windapp.net/dld/update/2015_03_20/.../AddonsUI.exe

http://fr-cdn.windapp.net/dld/update/2015_03_20/.../AddonsUI.exe

http://es-cdn.windapp.net/dld/update/2015_03_20/.../AddonsUI.exe

http://us-cdn.windapp.net/dld/update/2015_03_20/.../AddonsUI.exe

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