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chrome.exe

OutBrowse

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application chrome.exe by OutBrowse has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. 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:
OutBrowse  (signed and verified)

MD5:
507079c6b620bde174dc0b5d62d69e69

SHA-1:
989ac6f3a7e4545c94480e2fa1a157560214be9c

SHA-256:
8d97d810dc222e75085246eb681605380077d86bb418c8430de37682a359a597

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

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:
4/26/2024 2:59:38 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.OutBrowse
2015.0.3258

Bkav FE
W32.Clod909.Trojan
1.3.0.4613

Dr.Web
Adware.Downware.1664
9.0.1.0350

ESET NOD32
Win32/OutBrowse
8.9252

K7 AntiVirus
Unwanted-Program
13.175.10735

McAfee
Artemis!507079C6B620
5600.6914

Reason Heuristics
PUP.OutBrowse.G
14.12.16.17

Trend Micro House Call
TROJ_GEN.F47V1206
7.2.350

Vba32 AntiVirus
Downloader.OutBrowse
3.12.24.3

VIPRE Antivirus
OutBrowse
25106

File size:
937.6 KB (960,096 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OutBrowse

Authority:
VeriSign, Inc.

Valid from:
10/23/2013 7:00:00 PM

Valid to:
10/24/2014 6:59:59 PM

Subject:
CN=OutBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=OutBrowse, L=Ramat Gan, S=Ramat Gan, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
56A6FE571611B68C9224798AD62913CA

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:sfmxwao2GGLN/w4TtgKiKD1Y5nYhZlaEOmUdk+s7mh3G7/:twaoyLNosmKiKpY5g7JOm0k+s7mh3G7/

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...
 
[+]

Entropy:
7.9264

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file chrome.exe has been seen being distributed by the following 4 URLs.

http://cdn.app2desktop.com/misc/.../Chrome.exe

http://default-page.com/downloader/.../?d1=10&d2=1&d3=1&d4=6&d5=00000000

http://default-page.com/.../Chrome?d1=10&d2=1&d3=1&d4=6&d5=00000000

http://downloader.browsersinfo.com/download.php?id=5568d117603bdc6f2fa5a8ce81b3f2bb15ddbfa1&z=8&p=eyJweSI6ImJpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMzEiLCJ1X2lkIjoiYmlfNTJhMjBkYzQwNjc1ODIuMzY1MTE0NjAiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg2MzUyMDY4LCJrdyI6Imdvb2dsZSBjaHJvbWUiLCJjdSI6Imdvb2dsZSBjaHJvbWUiLCJjYSI6bnVsbH0=

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