installer_avast_portuguese.exe

Extended Setup

The file is a bundle distribution and utilizes the installCore download manager to distribute this potentially unwanted software. The application installer_avast_portuguese.exe by Extended Setup 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. 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:
Extended Setup  (signed and verified)

MD5:
4e3895fae04ae11833b1903f6bc42e08

SHA-1:
1fed7c20bc190c641b8c2d1e05033fedb9577af0

SHA-256:
8d9cd2a35aca39d07347d3d700636f4fff7cfa907cb6f3b017560581587167d4

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/19/2024 3:23:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Extended (M)
16.6.3.20

File size:
688.1 KB (704,600 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
10/21/2013 10:00:00 PM

Valid to:
10/22/2014 9:59:59 PM

Subject:
CN=Extended Setup, O=Extended Setup, STREET=Lilienblum 28, L=Tel Aviv, S=Israel, PostalCode=6513307, C=IL

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

Serial number:
00DC2A1D7B17450E779685BAA191188498

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:InvpXY4ZCLcoUqjTAqQuWCGh7+v2YorsKV5teQPwUZHJhFRA0kuq82RiafvUQbmG:InvxY4cyGTHQuW9h78gNV5te0wuVbfzK

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 installer_avast_portuguese.exe has been seen being distributed by the following URL.

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