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Steam_Setup.exe

Steam

Download Assistant

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 Steam_Setup.exe by Download Assistant 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 v.evdls.com.
Publisher:
DownloadAsst_New  (signed by Download Assistant)

Product:
Steam

Version:
3.0.0.105

MD5:
93af0755dd9406877ebde99f2b3a69d5

SHA-1:
5adeb170c16daaeeb3346cbe0e2008021cee3275

SHA-256:
511a0e456bfbf660bbdc05f9db334c64ec75dcdae4dfd763d107949b59f8e6f8

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:
12/26/2024 1:24:15 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.4.8

File size:
960.7 KB (983,720 bytes)

Product version:
3.0.0.105

Copyright:
(c) DownloadAsst_New

Original file name:
Steam_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\inetcache\ie\{random}\steam_setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/15/2015 6:00:00 PM

Valid to:
2/16/2016 5:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, 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:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
6/5/2015 5:20:24 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:GGaJvoaGsoKyqT3oWjJegbDMvkfGWrq0JHXfuwVeUdskr7w3G8K+o:5gv5GFKyqT3f1rkErqEUvOj8K+o

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 10, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0525

Developed / compiled with:
Microsoft Visual C++

Code size:
574.5 KB (588,288 bytes)

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

http://v.evdls.com/v2/click/7cb62b03/?affiliate_image=https://s3.amazonaws.com/evdlimages/.../installer.png&d=http://software.downloadtree.net/SteamSetup.exe&filename=Steam_Setup&key=e70558810ffab3128e4ddcb3ce63635f31a765738335c200ac3feb5e7c32992b&n=Steam&product_image=https://s3.amazonaws.com/evdlimages/.../product.png&sid=Steam-US&uid=3642279&uao=TW96aWxsYS81LjAgKFdpbmRvd3MgTlQgNi4zOyBXT1c2NCkgQXBwbGVXZWJLaXQvNTM3LjM2IChLSFRNTCwgbGlrZSBHZWNrbykgQ2hyb21lLzQxLjAuMjI3Mi43NCBTYWZhcmkvNTM3LjM2

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