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steam.exe

Steam

Download Manager

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.exe, “Steam ” by Download Manager 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 files.downloadd.org.
Publisher:
Download Manager   (signed by Download Manager)

Product:
Steam

Description:
Steam

Version:
2.0.4.78

MD5:
905a284ff2272fbf2fdf03a67ac2c4ce

SHA-1:
5cdb49b795d7143fd0a63e5854cbced1e21ed0fe

SHA-256:
13b551bba5afb82c80e6568cadd6ca7f171a333db5cc1422b15cc0eb3e237e3a

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/23/2024 10:40:28 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.8.19

File size:
841.4 KB (861,608 bytes)

Product version:
2.0.4.78

Copyright:
(c) Download Manager

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}\downloads\steam.exe

Digital Signature
Signed by:
Download Manager

Authority:
VeriSign, Inc.

Valid from:
6/7/2013 5:00:00 PM

Valid to:
6/8/2014 4:59:59 PM

Subject:
CN=Download Manager, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Download Manager, 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:
428E8B7C1AC548D083F4D3A0C5FDAF4C

File PE Metadata
Compilation timestamp:
1/16/2014 11:15:06 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:d9LzZ6EkQ3/SjrTF1yL1w1dDsBPOPnY+5UgV+cOjZTjPh7OgG2UmBOLMWU51e:TaEqgL1MdwJcAjt7U4OQ1e

Entry address:
0x267120

Entry point:
60, BE, 00, 40, 5A, 00, 8D, BE, 00, D0, E5, 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:
7.8863

Packer / compiler:
UPX 2.90LZMA

Code size:
784 KB (802,816 bytes)

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

http://files.downloadd.org/get/click/ntm8p09r/?d=http://downloadd.org/.../steam.exe&n=Steam&key=dd7a9d21ddcb7914f58811c484554229758fc4576ba8b1c096c5d8827c290bbb&affiliate_image=&product_image=http://downloadd.org/.../steam.png&sid=steam&filename=Steam

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