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update_google_chrome.exe

Salyutem Plyus LLC

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application update_google_chrome.exe by Salyutem Plyus 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 Google's Chrome web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Salyutem Plyus LLC  (signed and verified)

MD5:
6baa088cf3cc95fa1e0905a888e9ee3c

SHA-1:
e8d621b4d51e3f05fa1df2192d0ebf26e993cd3f

SHA-256:
cb97a2caa0eb7f2b4fd335cdcf9e56c61d9808ee9d295dbf77f69709185448dc

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:
4/27/2024 2:26:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.Salyutem.Bundler (M)
16.5.22.1

File size:
582.4 KB (596,328 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Salyutem Plyus LLC

Authority:
thawte, Inc.

Valid from:
12/15/2014 1:00:00 AM

Valid to:
12/16/2015 12:59:59 AM

Subject:
CN=Salyutem Plyus LLC, O=Salyutem Plyus LLC, L=Kharkiv, S=Arkansas, C=UA

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

Serial number:
6B6BB9E1A48F64F47503D8DCF6A5D0D3

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:hkGy0fKUgIj0AlEfQ715cMyqV1TDp2IKwIYHJlHLWpV:hgtPy0IcGjc6CIKwIoLWD

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://www.freesoftwaren.com/.../download.php?id=549b35fe4bdfc&i=40312&d=3

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