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nos_setup.exe

nProtect Online Security V1.0

INCA Internet Co.,Ltd.

The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from supdate.nprotect.net and multiple other hosts.
Publisher:
INCA Internet Co.,Ltd.  (signed and verified)

Product:
nProtect Online Security V1.0

Description:
nProtect Online Security V1.0 Installer

Version:
2016. 2. 25. 2

MD5:
27c2e63024fa2fe81ab04cc9a40530f9

SHA-1:
d9f5a757b9b50f7ad3447fe7875617dfa885ced9

SHA-256:
a332e93d7864d99d0d897ee5378b6a9adac60776d401fe8861d7de67b4b25ff9

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/20/2024 3:17:46 AM UTC  (today)

File size:
13.4 MB (14,041,720 bytes)

Product version:
2016. 2. 25. 2

Copyright:
Copyright (C) INCA Internet Co., Ltd.

Original file name:
nProtectOnlineSecurity.exe

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\nos_setup.exe

Digital Signature
Signed by:
INCA Internet Co.,Ltd.

Authority:
VeriSign, Inc.

Valid from:
6/24/2015 9:00:00 AM

Valid to:
7/1/2016 8:59:59 AM

Subject:
CN="INCA Internet Co.,Ltd.", OU=Research, O="INCA Internet Co.,Ltd.", L=Seoul, S=Seoul, C=KR

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:
1025DCECF96380CB93F6DA22E3B6E5F9

File PE Metadata
Compilation timestamp:
2/25/2012 4:19:59 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
393216:asUgpz+rtoBegJ7EHTPmshXgy0dqiz7Zn:+gNozgx2Fg/Zn

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9995

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file nos_setup.exe has been seen being distributed by the following 3 URLs.

https://supdate.nprotect.net/nprotect/nos_service/windows_kftc/.../nos_setup.exe

https://supdate.nprotect.net/nprotect/nos_service/windows/.../nos_setup.exe

https://supdate.nprotect.net/nprotect/nos_service/windows/.../nProtectOnlineSecurity.exe

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