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ccleaner_setup.exe

CCleaner

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application ccleaner_setup.exe by Download Assistant 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 AirInstaller Download Manager 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:
Download Assistant  (signed and verified)

Product:
CCleaner

Version:
3.0.0.154

MD5:
6607195ea7d490221eda209a4f8875a1

SHA-1:
4c9191eff503dbcf731f4b885b43e6077c952e4f

SHA-256:
e765f95cc70a3dd380029f3a8ae1b5bf54cc514f0f38cf89f041c4259cbe9702

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 '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:
12/28/2024 12:42:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.5.7.11

File size:
1.1 MB (1,136,272 bytes)

Product version:
3.0.0.154

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\ccleaner_setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
4/21/2016 2:00:00 AM

Valid to:
7/22/2017 1:59:59 AM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
74E99F6D6E13850E699A1F96049E70BC

File PE Metadata
Compilation timestamp:
1/30/2013 3:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:kxG39CvhbNZoBzqAhLtH9P2NvOfKn8wx9EJakERH:J8hbCzqAhLvP2NSOEJakG

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://download.softwiki.org/1462561613eDR8ZW5rZW18Z2khancxaDZ8O2Y/anZ2ciY1QyY0SCY0SHl5eTx1cWh2eWttazxxdGkmNEhoa25ndSY0SGVlbmdjcGd0PGd6ZyhtZzE/NDhkITQzM2Q4NDY0OTQ1ZmNlNTM0NzZlODBmOWc4ZCEzZGg3OGU3YzhlZGZAZTg2NiE5MzllNzk1NGY3Z0BAQCh1a2Y/dXFodnlrbWt8aHR8ZWVuZ2NwZ3Qod2tmPyhjaGhrbmtjdmcsa29jaWc/.../anZ2ciY1QyY0SCY0SHZ3cGZ0Yzx1a3ZnJjRIcmNpZ3UmNEhVWUZHJjRIVVlLUFY8anZvbg==

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