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avast-free-antivirus.exe

Internet

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.exe, “Internet 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. 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:
Generic   (signed by Advertiso GmbH)

Product:
Internet

Description:
Internet Setup

MD5:
1c87404f6f4876eae26f844881d02187

SHA-1:
bc698d70f1fa401c52a4f20a4ffacbfc1dcbd53f

SHA-256:
8df5223b87828b8198282234ad1a16d26c83fb91ec3482ae46d42e6d69904a92

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 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:
12/26/2024 6:30:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Advertiso.Installer (M)
16.1.14.9

File size:
709.8 KB (726,856 bytes)

Product version:
5.6

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Advertiso GmbH

Authority:
GlobalSign nv-sa

Valid from:
2/17/2015 1:15:45 AM

Valid to:
2/18/2016 1:15:45 AM

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

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

Serial number:
112174199E19DC47E8626A3FC3B34B556C25

File PE Metadata
Compilation timestamp:
6/19/1992 4:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:jdx7GBLdOcxd8YrY9Hvf0fZTbnsyJk6VvMJx6waah4vuQL5kZKEoHFPiiH:jdx7sbd8Y89HEfq56VvMJx/QuQLmZKEk

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.8525

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

Code size:
39.5 KB (40,448 bytes)

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

http://cdn.neneceteten.com/c?x=wdvs QPpObVRwevJ1R/O76kRy4vheu7/b4Cfmkf3EeA=&c=ZWmkhnaG1fFYmPA DcRyhnhs0ybL0iWIIr0HCdGqw9GAnZ6nRFWLJeWFvGVlqz96sqkn siLzyWY8NJx/XYjVQ==&downloadAs=avast-free-antivirus.exe&fallback_url=http://downloadserver40.com/softwares/.../setup_av_free-beta.exe

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