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addonsui.exe

WindApp

NOSIBAY

The application addonsui.exe, “WindApp installer” by NOSIBAY has been detected as a potentially unwanted program by 2 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 gb-cdn.windapp.net and multiple other hosts. While running, it connects to the Internet address server-54-230-76-226.cdg50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
NOSIBAY  (signed and verified)

Product:
WindApp

Description:
WindApp installer

Version:
3.0.673.0.62060

MD5:
a08f253eaa4f080185c69de1a9d2b754

SHA-1:
9a0148013835ecb15f50a6425cfc0ca2f6d212ee

SHA-256:
de51121bd5d14f0822af07958f7c44e1b8c0ffbfd9fd5e4e5e8dcfa3fd506733

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
4/30/2024 3:37:10 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.9155
9.0.1.05190

Reason Heuristics
PUP.Installer.NOSIBAY.I
14.11.30.6

File size:
414 KB (423,912 bytes)

Copyright:
© Store

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\0imahvj4\addonsui.exe

Digital Signature
Signed by:
NOSIBAY

Authority:
Thawte, Inc.

Valid from:
9/25/2014 1:00:00 AM

Valid to:
12/25/2015 11:59:59 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 10:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:6e34tH6JPd6YHey2ZYc6Hknq73ZX8wjveEtt2NB6+shLfXc0Ff2I03b9:s2MYz2TqNyEWfXshbN2fh

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:
7.9534

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 12 URLs.

http://gb-cdn.windapp.net/dld/update/2014_11_28/.../AddonsUI.exe

http://ca-cdn.windapp.net/dld/update/2015_01_26/.../AddonsUI.exe

http://it-cdn.windapp.net/dld/update/2014_11_28/.../AddonsUI.exe

http://fr-cdn.windapp.net/dld/update/2014_11_28/.../AddonsUI.exe

http://it-cdn.windapp.net/dld/update/2014_12_02/.../AddonsUI.exe

http://fr-cdn.windapp.net/dld/update/2014_12_02/.../AddonsUI.exe

http://it-cdn.windapp.net/dld/update/2015_01_26/.../AddonsUI.exe

http://fr-cdn.windapp.net/dld/update/2015_01_26/.../AddonsUI.exe

http://es-cdn.windapp.net/dld/update/2014_12_02/.../AddonsUI.exe

http://gb-cdn.windapp.net/dld/update/2014_12_02/.../AddonsUI.exe

http://gb-cdn.windapp.net/dld/update/2015_01_26/.../AddonsUI.exe

http://es-cdn.windapp.net/dld/update/2015_01_26/.../AddonsUI.exe

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to server-54-230-76-226.cdg50.r.cloudfront.net  (54.230.76.226:80)

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