setup.exe

7-Zip

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 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. The file has been seen being downloaded from go.combosoftwarelists.com.
Publisher:
Igor Pavlov  (signed by Installer Setup)

Product:
7-Zip

Description:
7z SFX

Version:
9.20

MD5:
1790df9bb2c0e0eaaaa940ec5df44294

SHA-1:
853af8d4fab505645956838f44a9a55f68e7aa86

SHA-256:
3b913f126c584827db2c4dc3a94d6083bc326459b0906afa3b970a8e80b64689

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:
5/28/2024 1:10:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.17.19

File size:
1.1 MB (1,151,920 bytes)

Product version:
9.20

Copyright:
Copyright (c) 1999-2010 Igor Pavlov

Original file name:
7z.sfx.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:

Authority:
Symantec Corporation

Valid from:
2/9/2015 7:00:00 PM

Valid to:
2/10/2016 6:59:59 PM

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

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

Serial number:
07A1307B10CFA227F3AF56F353208204

File PE Metadata
Compilation timestamp:
11/18/2010 11:27:33 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:CWvknOMEfQuluVcbWMcUIsv2SfsQnqyQtxbaw:CUeOMmaV8T0sBCyQaw

Entry address:
0x1D262

Entry point:
55, 8B, EC, 6A, FF, 68, 20, 1E, 42, 00, 68, 5C, D2, 41, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 68, 53, 56, 57, 89, 65, E8, 33, DB, 89, 5D, FC, 6A, 02, FF, 15, 04, 11, 42, 00, 59, 83, 0D, 90, BD, 42, 00, FF, 83, 0D, 94, BD, 42, 00, FF, FF, 15, 00, 11, 42, 00, 8B, 0D, 70, 9D, 42, 00, 89, 08, FF, 15, FC, 10, 42, 00, 8B, 0D, 6C, 9D, 42, 00, 89, 08, A1, 64, 11, 42, 00, 8B, 00, A3, 8C, BD, 42, 00, E8, 1C, 01, 00, 00, 39, 1D, 20, 7A, 42, 00, 75, 0C, 68, EA, D3, 41, 00, FF, 15, 0C, 11...
 
[+]

Entropy:
6.9646

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
126.6 KB (129,684 bytes)

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

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