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icreinstall_steam-12-32-bits.exe

ISBRInstaller

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_steam-12-32-bits.exe by ISBRInstaller has been detected as adware by 20 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from esd.baixaki.com.br. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
ISBRInstaller  (signed and verified)

MD5:
bf4f6471e8a012e9f993347cbf54138d

SHA-1:
6a2f86e29fd8ebc26d6624295ce489ac25a22f0c

SHA-256:
8f0e9f04776a988863f54d8fca38c7652776576b14a818a39a85fa60262668ba

Scanner detections:
20 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
5/5/2024 7:02:43 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
APPL/InstallCore.AL
7.11.118.220

Bkav FE
W32.Clodb0d.Trojan
1.3.0.4613

Comodo Security
UnclassifiedMalware
17413

Dr.Web
Trojan.Packed.24524
9.0.1.0353

ESET NOD32
Win32/InstallCore.DO (variant)
7.9151

Fortinet FortiGate
Riskware/InstallCore
8/7/2014

F-Prot
W32/InstallCore.R3.gen
v6.4.7.1.166

herdProtect (fuzzy)
variant of fuzezip-10-32-bits.exe (Adware)
2013.12.25.14

K7 AntiVirus
Trojan
13.174.10588

Malwarebytes
PUP.Optional.InstallCore
v2013.12.19.06

McAfee
Artemis!BF4F6471E8A0
5600.7276

Qihoo 360 Security
HEUR/Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.ISBRInstaller.CC
14.8.7.20

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.131217

Sophos
Install Core Click run software
4.97

SUPERAntiSpyware
PUP.InstallCore/Variant
10897

Trend Micro House Call
TROJ_GEN.F47V1013
7.2.353

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
InstallCore.b
24188

File size:
657.8 KB (673,608 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_steam-12-32-bits.exe

Digital Signature
Signed by:
ISBRInstaller

Authority:
COMODO CA Limited

Valid from:
7/16/2013 9:00:00 PM

Valid to:
7/17/2014 8:59:59 PM

Subject:
CN=ISBRInstaller, O=ISBRInstaller, STREET=Ronthschilde 63, L=Tel Aviv, S=Tel Aviv, PostalCode=6527319, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
158EF632B1D9C77CF5AAB6A9367E7FCE

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:TSyMJfsGLCD3jpE3wvIhnpvISQgq4VcD2TmjWeAesdaGrLM4eOXnf2HKLP1:2yMJfsr3jpC5qIZiWeorMSXnfuu

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

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

Code size:
36 KB (36,864 bytes)

The file icreinstall_steam-12-32-bits.exe has been seen being distributed by the following URL.

http://esd.baixaki.com.br/programas/49340/.../steam-12-32-bits.exe

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)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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