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ccleaner.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 ccleaner.exe by Max Setup has been detected as adware by 9 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 Piriform CCleaner but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Max Setup  (signed and verified)

MD5:
f7ef9abe69de4036a2352570a88db5e2

SHA-1:
04d9d45001301cd89c4aab96e9d9dfd511ca1218

SHA-256:
5823de9cb3ae2b29f1483e0ee0dd7f737acdfaee3d444fd1bfeff8ed8067dc7b

Scanner detections:
9 / 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 '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:
4/25/2024 7:12:14 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.143.80

AVG
InstallCore
2015.0.3505

Dr.Web
Trojan.Packed.24524
9.0.1.0104

ESET NOD32
Win32/InstallCore.MJ (variant)
8.9672

G Data
Win32.Application.InstallCore
14.4.24

Malwarebytes
PUP.Optional.InstallCore
v2014.04.14.02

Reason Heuristics
PUP.MaxSetup.I
14.4.14.0

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
InstallCore.b
28214

File size:
650.8 KB (666,440 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\ccleaner.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:P9DpkYaRPn0m8uqH7AfqeVVhdEMp6vJnhHenjimZSIUW4RsjvIwb1RvO3bsicjb7:P9DSYaR0m8JHUfqezhd1Mdh48PW4+vI+

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:
7.8517

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

Code size:
37 KB (37,888 bytes)

The file ccleaner.exe has been seen being distributed by the following URL.

https://d13dhn7ldhrcf6.cloudfront.net/?domain=ccleaner&name=CCleaner&icon=aHR0cDovL3NjcmVlbnNob3RzLmRlLnNmdGNkbi5uZXQvZGUvc2Nybi8zMjAwMC8zMjczNi9jY2xlYW5lci0yNS5wbmc/.../Dn3JlaW5lbWFjaGVuIGF1ZiBkZW0gUmVjaG5lcg==

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