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avast-free-antivirus_setup.exe

Advertiso GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application avast-free-antivirus_setup.exe 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. With this installer, users are expecting to download the free AVAST Antivirus but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Advertiso GmbH  (signed and verified)

MD5:
6eec65f8ba32e293026ebab070a85a41

SHA-1:
dda72145ff82d35784132c1e0c84e414ef149be3

SHA-256:
51901227364ac4b51668590b375f328687a80602e9d12d2f5bb63fa57d1564d8

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 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:
12/25/2024 2:05:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.1.14

File size:
778 KB (796,720 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\avast-free-antivirus_setup.exe

Digital Signature
Signed by:
Advertiso GmbH

Authority:
COMODO CA Limited

Valid from:
10/28/2013 12:00:00 AM

Valid to:
10/28/2014 11:59:59 PM

Subject:
CN=Advertiso GmbH, O=Advertiso GmbH, STREET=Kiebitzhof 1a, L=Hamburg, S=Hamburg, PostalCode=22089, C=DE

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

Serial number:
5E967C83796D144C896154F79240904C

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:K6FngIL8lowBbNEmWpA+hPYUpFFRddTHim:KIvfwBb2mWv173Fxjim

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...
 
[+]

Entropy:
7.7694

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

Code size:
37 KB (37,888 bytes)

The file avast-free-antivirus_setup.exe has been seen being distributed by the following URL.

https://s3-eu-west-1.amazonaws.com/securecloudfiledownload1409035242/fast/downloads/90943/.../avast-free-antivirus_setup.exe

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