install-flashplayer.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 install-flashplayer.exe by OUTBROWSE has been detected as adware by 19 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 the free Adobe Flash Player but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
OUTBROWSE  (signed and verified)

MD5:
ce481ac53efd0e7d822fedf4f18f9298

SHA-1:
1e38ba77e105771509de212fa4b1cb3a615d5ff5

SHA-256:
92a2164cf334269d9821816a3496ef27c4de367bfcc07bde8e1b2b671a0e8bf4

Scanner detections:
19 / 68

Status:
Adware

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

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:
4/23/2024 6:00:16 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.10.25

Avira AntiVirus
APPL/OutBrowse.lwasp
7.11.181.38

AVG
Generic
2015.0.3311

Dr.Web
Adware.Downware.2081
9.0.1.05190

ESET NOD32
Win32/OutBrowse.W potentially unwanted application
7.0.302.0

F-Prot
W32/Outbrowse.B2.gen
v6.4.7.1.166

G Data
Win32.Application.Outbrowse
14.10.24

K7 AntiVirus
Unwanted-Program
13.185.13789

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.494

Malwarebytes
PUP.Optional.OutBrowse
v2014.10.24.06

McAfee
Adware-OutBrowse
5600.6967

NANO AntiVirus
Trojan.Win32.Generic.dbxkzp
0.28.2.62841

nProtect
Trojan-Clicker/W32.OutBrowse.999896
14.10.24.01

Reason Heuristics
PUP.OUTBROWSE.T
14.10.24.17

Sophos
OutBrowse Revenyou
4.98

Trend Micro House Call
Suspici.B577CD42
7.2.297

Vba32 AntiVirus
AdWare.OutBrowse
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
34218

File size:
976.5 KB (999,896 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\install-flashplayer.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
4/7/2014 4:30:00 AM

Valid to:
4/8/2015 4:29:59 AM

Subject:
CN=OUTBROWSE, O=OUTBROWSE, STREET=Bialik Number: 143, L=Ramat Gan, S=Israel, PostalCode=5252337, C=IL

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

Serial number:
00A5F03C3A375C11FD6C1C160EE8BFF923

File PE Metadata
Compilation timestamp:
12/6/2009 2:20:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:x++HN/Um3b7bt5ORv7OfUej1YY+oPfmH7OdIgbB1Nx0WkljfyU0NsA3wPPgMSHab:xcm3jWRCD+sdDkpYP3wPwn2arwpZ7V

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:
7.9246

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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