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setup.exe

Software Updater

Installer Setup

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application setup.exe, “Software Updater ” by Installer Setup has been detected as adware 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 AirInstaller Download Manager installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from files.pcfilehelp.com.
Publisher:
Installer Setup   (signed by Installer Setup)

Product:
Software Updater

Description:
Software Updater

Version:
2.5.0.10

MD5:
0da3567ff129352511fe790fcf4c8f14

SHA-1:
9fdbf626299e7a4081c0b38544e1102d8ba95681

SHA-256:
cc5e7f384d6a05922fba8029eb72fea73fab5e377fde27b9a93f853ec3a69288

Scanner detections:
1 / 68

Status:
Adware

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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/5/2024 8:22:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.11.3

File size:
1 MB (1,058,144 bytes)

Product version:
2.5.0.10

Copyright:
(c) Installer Setup

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:
Installer Setup

Authority:
VeriSign, Inc.

Valid from:
10/23/2014 7:00:00 PM

Valid to:
10/23/2016 6:59:59 PM

Subject:
CN=Installer Setup, O=Installer Setup, L=Vancouver, S=British Columbia, C=CA

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:
114A4CD0F4776DC50DF11F7D51696678

File PE Metadata
Compilation timestamp:
11/20/2014 2:18:12 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:i1in8mVNox1rmysKymEOpeYPE+B//KJ+FXFbUrVdlf0z6:i1Ygx1rm5K9EOzEB/p

Entry address:
0x33C9D0

Entry point:
60, BE, 00, 50, 64, 00, 8D, BE, 00, C0, DB, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.8834

Packer / compiler:
UPX 2.90LZMA

Code size:
992 KB (1,015,808 bytes)

The file setup.exe has been seen being distributed by the following URL.

http://files.pcfilehelp.com/v1.5/click/.../?uid=YnJzcj02MDcmYm89MSZjaXBpZD0xNTA5MDAwJmNpc2lkPTlDRDE2RjdDNjMxNTQ4ODY5NjUzMjA2OTgxJmNpcmlkPTlDRDE2RjdDNjMxNTQ4ODcwODg2ODk0ODA4JnNsaWQ9MCZzdWJpZD0xMDUwJmNpdWlkPTkxMjg2OTI3NDU0NDM1NjkwMTAmc289MSZjcmlkPTI5NTcyMTgmZXhjaWQ9MjImbW10PS0xJm9zaWQ9NTMzJmNudHJ5PTIyNyZjaWNtcD00ODAwNDgmY3U0PTkmcHViaWQ9OTcwMA==&sid=-&filename=Setup

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