addonsui.exe

WindApp

NOSIBAY

The application addonsui.exe by NOSIBAY has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from ca-cdn.windapp.net and multiple other hosts.
Publisher:
NOSIBAY  (signed and verified)

Product:
WindApp

Version:
3.0.673.0.63805

MD5:
a253479da2bb0f76eb9c6a7b990c35f8

SHA-1:
890bd2d3a9abe32bbba4869a542d7e9b389f8cdd

SHA-256:
5cd12fdfa035ee27e2a7f12f85e85e609026de8091f93d8ad0688a2c83f5e077

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/25/2024 8:55:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NOSIBAY.Installer (M)
15.12.6.0

File size:
420.6 KB (430,680 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:

Authority:
Thawte, Inc.

Valid from:
9/24/2014 7:00:00 PM

Valid to:
12/25/2015 5:59:59 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 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:ze34ygizEq6YHey2ZYc6Hknq73ZX8wjveEtt2NB6+shLfXc0Ff2I03bj:EgizyYz2TqNyEWfXshbN2f3

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 seen being distributed by the following 14 URLs.

Remove addonsui.exe - Powered by Reason Core Security