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setupnow.exe

OSU

Hudson Exchange Group, LLC

The application setupnow.exe, “Open Software Updater” by Hudson Exchange Group has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from urlology.blob.core.windows.net and multiple other hosts.
Publisher:
Hudson Exchange Group, LLC  (signed and verified)

Product:
OSU

Description:
Open Software Updater

Version:
3.1.0.0

MD5:
5b5036f76f7e441e99c2705aff7f40a0

SHA-1:
50d40b8976e82dc6c1dae31ef92316fcff760577

SHA-256:
e44580cf892b54c9f4eca8fb85aa572e95f6dfc6610e1cee836e0d530d9bfa62

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
5/13/2024 3:50:11 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.11268
9.0.1.05190

Reason Heuristics
PUP.Installer.HudsonExchangeGroup
15.5.24.21

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15523

File size:
479.9 KB (491,400 bytes)

Copyright:
Copyright 2015

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\setupnow.exe

Digital Signature
Signed by:
Hudson Exchange Group, LLC

Authority:
Symantec Corporation

Valid from:
2/10/2015 4:00:00 PM

Valid to:
10/31/2016 4:59:59 PM

Subject:
CN="Hudson Exchange Group, LLC", O="Hudson Exchange Group, LLC", L=Woodcliff Lake, S=New Jersey, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
5B78F4208F4D587B6FA9A6AF8EC8FD12

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:cstvev5M+BC2ezZxMWQ70FhljSbM8c1LBrJDMWT2R7y6NlTfIJH70XpqkP6bGKfQ:hWvEFrZKWNZOWT2RB9/6bGlO/xW

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9006

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file setupnow.exe has been seen being distributed by the following 2 URLs.

http://urlology.blob.core.windows.net/.../SetupNow.exe

https://secureopensoftware.com/startdle.php

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