icreinstall_steam.exe

Installer Program

Advertiso GmbH

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_steam.exe, “Installer Program Setup ” by Advertiso GmbH 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 installCore installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from tmpfile868.s3.amazonaws.com. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Application Lite Program   (signed by Advertiso GmbH)

Product:
Installer Program

Description:
Installer Program Setup

MD5:
74f5498a0fff895e2f661a9ed7a9f264

SHA-1:
f684a0679aa8edf4dd0b9960b2d07ecbb5c6d92a

SHA-256:
64b382dab13007a1a4751f5c1ebaa6ca1c9d41e4d0539b44645d67433bb094eb

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

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:
5/6/2024 2:01:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Advertiso.Installer (M)
16.2.3.14

File size:
969.2 KB (992,504 bytes)

Product version:
1.0.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_steam.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
12/30/2015 12:39:23 PM

Valid to:
12/30/2016 12:39:23 PM

Subject:
CN=Advertiso GmbH, O=Advertiso GmbH, L=Hamburg, S=Hamburg, C=DE

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11218076537D25662FA013A20AD703FFB76D

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:O1an+2EXjIHV/Zfxvx9lYW2GWll1F1nuBg6atlkKLgC:OYn+XzIHV/xxvx9lYWbWX1TaxC

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

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