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ccleaner.exe

JUST ACCEPT

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application ccleaner.exe by JUST ACCEPT has been detected as adware 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 OutBrowse Revenyou 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:
JUST ACCEPT  (signed and verified)

MD5:
61c9682093984fbd2da179ba80c43fa0

SHA-1:
7e4e32b63c908f3330e24ddeeb6d9a152740d061

SHA-256:
abdd833f4cbc99c5af5f8573d6f586c645fdf1371f604e777ec1077af454c8b9

Scanner detections:
1 / 68

Status:
Adware

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:
5/12/2024 2:55:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.8.4.11

File size:
572.3 KB (586,072 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\ccleaner.exe

Digital Signature
Signed by:
JUST ACCEPT

Authority:
thawte, Inc.

Valid from:
1/20/2015 4:00:00 PM

Valid to:
12/17/2015 3:59:59 PM

Subject:
CN=JUST ACCEPT, O=JUST ACCEPT, L=Dublin, S=Dublin, C=IE

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

Serial number:
5AD4EC44EF12FC666A0F92666C928B70

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:B6wyf8YelPi4NAlrR/69GBVfRwo+zyUNM/VqvJYLz4qBDBDg1hEkDH:B7q8XJX6fcoUN64J+BDEDD

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9701

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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