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icreinstall_avast-free-antivirus-beta-2015-2-32-bits.exe

SD Internetworks Ltda

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_avast-free-antivirus-beta-2015-2-32-bits.exe by SD Internetworksa has been detected as adware by 3 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. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
SD Internetworks Ltda  (signed and verified)

MD5:
11fdb5b9d879db9cdc3d6d57b30ebcae

SHA-1:
97e40f3a911c7483b6d0b63013c1e3dbce592e62

SHA-256:
4162a584ac5ec48278f72fb173c64378515c06522cbf8d9f762f6a1c301865de

Scanner detections:
3 / 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 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:
5/12/2024 2:47:18 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen9
7.11.176.92

ESET NOD32
Win32/InstallCore.PL (variant)
8.10502

Reason Heuristics
PUP.SDInternetworksa.u
14.10.4.16

File size:
672.8 KB (688,976 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_avast-free-antivirus-beta-2015-2-32-bits.exe

Digital Signature
Signed by:
SD Internetworks Ltda

Authority:
GlobalSign nv-sa

Valid from:
9/11/2014 11:59:06 AM

Valid to:
9/12/2015 11:59:06 AM

Subject:
CN=SD Internetworks Ltda, O=SD Internetworks Ltda, L=Sao Paulo, C=BR

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

Serial number:
1121B29046EAF2871B25E6947D0883A59E5F

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:K4vpG7EUVH8Qo6ABSen0zGkjLvNCPH2BX+H3BFyWZep00P8Ligjqi8XFBxAmhK3:K4vMwUVcQo2k0ikjJCPH2BXWQWuXkegT

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, 53, C9, FF, FF, E8, 9A, 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_avast-free-antivirus-beta-2015-2-32-bits.exe has been seen being distributed by the following URL.

http://www.baixakidownloadfiles1.com/nocache/programas/urls/iron/.../avast-free-antivirus-beta-2015-8-02-4102012.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)

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