install_ccleaner-2.exe

CPC Net AdVertising LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application install_ccleaner-2.exe, “Application Setup ” by CPC Net AdVertising has been detected as a potentially unwanted program 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 Piriform CCleaner but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Application   (signed by CPC Net AdVertising LLC)

Product:
Application

Description:
Application Setup

Version:
4.6.3.4

MD5:
e5947495dafa93f2a4a6c665302675d7

SHA-1:
75d6e3f150a30214e4c297b3902ce7b199af313f

SHA-256:
94a3809a59beb09680c7013cd06c0dafe9e27568e9ebec01f256a36afda60d17

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
5/5/2024 6:42:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.11.24.3

File size:
684 KB (700,392 bytes)

Product version:
4.8.1

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\install_ccleaner-2.exe

Digital Signature
Authority:
thawte, Inc.

Valid from:
4/9/2015 2:00:00 AM

Valid to:
4/9/2016 1:59:59 AM

Subject:
CN=CPC Net AdVertising LLC, OU=IT, O=CPC Net AdVertising LLC, L=WILMINGTON, S=DELAWARE, C=US

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
3A2FB3C3390C877857255C772571B6ED

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:OBkpVCf3pDxZ9LDH7wECLxmyXluFuPv/mGkO9AG+B4Z7X/oI25B72:OBk+f3pDnNH7wRTX6USy/+ORX/h25s

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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