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chrome_setup.exe

Quick Downloader

The Adlogica setup manager, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application chrome_setup.exe by Quick Downloader has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the Adlogica Quick Downloader installer. 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 Google's Chrome web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Quick Downloader  (signed and verified)

MD5:
6ea0828aba51fb829c0eb1a37fdc2e84

SHA-1:
c55b24d2e964d807ad34d808274149d3bbe33b06

SHA-256:
062c0b6a3d977388dccfa41f348dd9b95afbeb11e4270b2299255467d822114a

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/25/2024 10:10:23 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:OutBrowse-CH [PUP]
160327-1

Dr.Web
Adware.InstallCore.133
9.0.1.05190

ESET NOD32
Win32/InstallCore.EL potentially unwanted application
8.0.319.0

Microsoft Security Essentials
Threat.Undefined
1.219.485.0

Reason Heuristics
PUP.Adlogica.QuickDow.Bundler (M)
16.5.2.1

File size:
664.4 KB (680,344 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Quick Downloader (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\chrome_setup.exe

Digital Signature
Signed by:
Quick Downloader

Authority:
COMODO CA Limited

Valid from:
8/8/2013 12:00:00 AM

Valid to:
8/8/2014 11:59:59 PM

Subject:
CN=Quick Downloader, O=Quick Downloader, STREET=96 Jessie st, STREET=4th floor, L=San Francisco, S=CA, PostalCode=94105, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00886E74060345A7D9DD833C2ADF305E49

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):
12288:zcMJfsGs1NfV5B9i1ti1d4kUis9gnT9lAUmBHXZmXjw7E1+3Ed91u:oMJfsn1Nfd9ubBP+4URXj84Gozu

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.8242

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

Code size:
36 KB (36,864 bytes)

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

http://downloader.browsersinfo.com/download.php?id=ec3bf2e3d9ba94ee24265d7048487ce2cabbde44&z=0&p=eyJweSI6ImJpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImllMTAiLCJ1X2lkIjoiYmlfNTI2NWIxYmNiZGRiZTYuOTAyNjMwMDQiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzgyMzk2MzQ4LCJrdyI6Imdvb2dsZWNocm9tZSIsImN1IjoiZ29vZ2xlY2hyb21lIiwiY2EiOm51bGx9

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