avast-free-antivirus.exe

Internet App

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 App Setup ” by Advertiso GmbH has been detected as adware by 6 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:
Advertiso GmbH  (signed and verified)

Product:
Internet App

Description:
Internet App Setup

Version:
3.4.5.2

MD5:
408c4e05063f246d7b5f246ba37f3f2b

SHA-1:
6fa3628d36ea7a08c0a6de4b8d4b8028e6c8f2c4

SHA-256:
5f20e55f09c88dbb4746f9889d08a53ed219bda0b02b61fe645022e7bad19818

Scanner detections:
6 / 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:
5/3/2024 1:31:59 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Trojan-gen
2014.9-160217

Clam AntiVirus
Win.Trojan.Installcore-848
0.98/21210

Dr.Web
Trojan.InstallCore.1437
9.0.1.048

ESET NOD32
Win32/InstallCore.ACH.gen potentially unwanted application
10.7.0.302.0

Reason Heuristics
PUP.installCore.Advertiso.Installer (M)
16.2.17.7

VIPRE Antivirus
Threat.4150696
46156

File size:
969.9 KB (993,176 bytes)

Product version:
1.4.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\avast-free-antivirus.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
12/30/2015 6:45:26 AM

Valid to:
12/30/2016 6:45:26 AM

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

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112153241712D48BF879DC1FEB639FA4305C

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:usZxRCQj3xV1tQ7iUgkFKk0x0fo+aun7ifaxGa9QSp:u+hj3xVfYiU7FS0f9au7EaAa9QM

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:
7.9291

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.

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