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chrome_install.exe

Google Chrome

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 chrome_install.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 Google's Chrome web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Download Assistant  (signed and verified)

Product:
Google Chrome

Version:
3.0.0.154

MD5:
fb1b0639aef23e33d3697de467c1f47b

SHA-1:
268008848106079142090a3fac1f9e9cad9eebcd

SHA-256:
8c8280ed4e2af20d522a03f3eacd4bdef6b84c69cda37bb8279f814953742296

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:
11/28/2024 12:38:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.5.5.14

File size:
1.1 MB (1,139,376 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\temporary internet files\content.ie5\{random}\chrome_install.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
4/21/2016 8:00:00 AM

Valid to:
7/22/2017 7:59:59 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 10:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:NxGHzCx/1xmGcotBkVfqsSRVu7nlwY2zpwMUE8hzDTDYPEJakoY:GTCnxnjtSosauZwJzUDnYPEJak5

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...
 
[+]

Entropy:
6.9641

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://download.free-browsers.info/1462458041SE5tPzxfPyxtTy9NVlZNO1FtajpofEZGQmFPdmFOMWFOMTpBSSA8QT06cS9EOztpLURBSUU7RHE/QWFOMT98REE O2FOMT98REE O3BFO0ZHQnA7IHE7SjtjLDtLaFE7P1RNTVFTUE4vTi0/VlNUP1I6TjpOUFVPUlU6P1Y7Uj1RPy0vOz1TVT9QP1VUP00tO09TVFE7VTtOUy8/UlJjRV86aHgzIzA4enBOVk1RY0dfOmhOdjl2NyklNHgkUVNOLVFSLVA/VFI/.../RWFOMT98REE O2FOMT98REE O3BCREE6Rz9GcF8 PVw7cUIgXGMgaDJBQVw8O2d4fERBPjtjL188OyA9PjtoP3xEQT47cF8gRUY9PDw=

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