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ccleaner_setup.exe

App Web

Installer software

The application ccleaner_setup.exe, “App Web Setup ” has been detected as a potentially unwanted program by 10 anti-malware scanners. The program is a setup application that uses the installCore installer, however the file is not signed with an authenticode signature from a trusted source. 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:
Installer software

Product:
App Web

Description:
App Web Setup

MD5:
d4e1fb2ade8ac0b400d9cca8662859a5

SHA-1:
9e50fc2e89a4edef3041e51e1b433e91bf8fc820

SHA-256:
6bef2219e6e4ca5c19b11386b3af09b19f63b6f52f0d849b17e70b511adba77a

Scanner detections:
10 / 68

Status:
Potentially unwanted

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:
5/21/2024 11:59:50 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Malware-gen
150602-1

AVG
InstallCore
2016.0.3045

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.15717

ESET NOD32
Win32/InstallCore.ZP potentially unwanted application
7.0.302.0

G Data
Win32.Application.InstallCore.EG
15.6.25

K7 AntiVirus
Adware
13.205.16459

Malwarebytes
PUP.Optional.InstallCore.A
v2015.07.17.03

Reason Heuristics
PUP.InstallCore.Bundler (M)
15.7.17.11

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.4

VIPRE Antivirus
Trojan.Win32.Generic
41722

File size:
775.8 KB (794,453 bytes)

Product version:
4.0.2

Copyright:
Generic Application

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

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):
24576:Ssgu0b7hkxjEPiw9QyhS4Nrytcyv/WASs1bz:SJu0blkciIj3ythhbz

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, BF, A9, FF, FF, E8, 5E, 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:
7.8121

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

Code size:
37 KB (37,888 bytes)

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

http://readyupdate.newnowsafeupdates.net/dl.php?conversion_id=14327362106426&app_id=23&lp_id=757&v=ico&stub_id=262&v_id=dupx_MA0cvquR3j6tdnj-NMr1N86Gr2N8UXdYaTI5y0.&pcl=snVhfTvPh7n11lnPz6WlqBUW0EDKvuS7aACXW56Ij9A.&cookieid=c7f78208-4537-51b9-958e-c9916a295d37

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to s3-website-us-east-1.amazonaws.com  (54.231.0.36:80)

TCP (HTTP):
Connects to s3-1-w.amazonaws.com  (54.231.18.145:80)

TCP (HTTP):
Connects to ec2-54-186-47-57.us-west-2.compute.amazonaws.com  (54.186.47.57:80)

TCP (HTTP):
Connects to ec2-52-10-224-155.us-west-2.compute.amazonaws.com  (52.10.224.155:80)

TCP (HTTP):
Connects to ec2-23-21-63-169.compute-1.amazonaws.com  (23.21.63.169:80)

TCP (HTTP):
Connects to ec2-107-20-182-77.compute-1.amazonaws.com  (107.20.182.77:80)

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