install_ccleaner-2.exe

Internet

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, “Internet 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:
Program Internet application   (signed by CPC Net Advertising LLC)

Product:
Internet

Description:
Internet Setup

Version:
4.3.4.8

MD5:
3bcfd4d9e2d2a156573680538953ae95

SHA-1:
f3660568a5a07f71d27c8d744d7663078ca610ce

SHA-256:
586b6adc9946d0cec34652489cbd75abcdfd38abeb3a33918f7b79363a553236

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:
11/5/2024 8:22:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.CPCNetAd.Installer (M)
16.4.23.2

File size:
690.8 KB (707,376 bytes)

Product version:
5.8

Copyright:
Internet Software App

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:
3/18/2015 1:00:00 AM

Valid to:
3/18/2016 12:59:59 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:
39C465900E327E4A59E1DBB63C723CEF

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:Ee/GbVrCTRiDijlm7+5bzvtW2OilJ2/xp+OpiJ2XB54qQINl4FVbc2G9LGxhxYzX:Ee/edris7+dhWI2/OO8JqdNKI2GBYPA

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...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

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