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avast_free-edition.exe

Max Setup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application avast_free-edition.exe by Max Setup has been detected as adware by 25 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. 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:
Max Setup  (signed and verified)

MD5:
b1492b60807fd1c486c9cd6d491a8bea

SHA-1:
ec6c1d0050c87ce5a02b09ad8c5f768b9c6bd905

SHA-256:
830d22ce491fa5879e869569bb637f623846d524a1feac3b1bc8236da703269b

Scanner detections:
25 / 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 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:
5/1/2024 12:30:03 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

AhnLab V3 Security
PUP/Win32.InstallCore
2014.10.28

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.168.140

avast!
Win32:Adware-gen [Adw]
2014.9-150104

AVG
InstallCore
2016.0.3239

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1514

Clam AntiVirus
Win.Adware.Installcore-581
0.98/19877

Comodo Security
ApplicUnwnt
18967

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstallCore
1/4/2015

F-Prot
W32/A-f87039a3
v6.4.7.1.166

G Data
Win32.Application.InstallCore
15.1.24

IKARUS anti.virus
Backdoor.Win32.Hupigon
t3scan.1.7.5.0

K7 AntiVirus
Trojan
13.183.13125

Malwarebytes
PUP.Optional.InstallCore
v2015.01.04.01

McAfee
Artemis!E1CC237A7F7C
5600.6895

NANO AntiVirus
Riskware.Win32.InstallCore.dfglmk
0.28.2.62841

Qihoo 360 Security
Win32/Virus.Adware.94c
1.0.0.1015

Reason Heuristics
PUP.MaxSetup.S
15.1.4.13

Rising Antivirus
PE:Trojan.Win32.Generic.170AD063!386584675
23.00.65.15102

Sophos
PUA 'Install Core Click run software'
5.09

Trend Micro House Call
Suspicious_GEN.F47V0723
7.2.4

Vba32 AntiVirus
Downware.InstallCore
3.12.26.3

VIPRE Antivirus
Adware.InstallCore
32428

File size:
688.1 KB (704,576 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\avast_free-edition.exe

Digital Signature
Signed by:
Max Setup

Authority:
COMODO CA Limited

Valid from:
3/10/2014 8:00:00 PM

Valid to:
3/11/2015 7:59:59 PM

Subject:
CN=Max Setup, O=Max Setup, STREET=Lillienblam 28, L=Tel Aviv, S=Tel Aviv, PostalCode=651307, C=IL

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

Serial number:
008F6F1294DBB38F9F80A7A06DE489DF45

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):
12288:WnvpS1w3sPVESMn/QLPNPjQ6XlsZwOcmxwaxIxVdWYRJJJkXu19TDbJ:WnvUq3sdW/qjQ6X5OlwaxInddLkunPb

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...
 
[+]

Entropy:
7.8583

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

Code size:
37 KB (37,888 bytes)

The file avast_free-edition.exe has been seen being distributed by the following URL.

http://me.file.download.now.dld.oinst02.eu/installer/Files/262/1b8/.../Avast_Free-Edition.exe

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