installation.exe

Best App

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installation.exe by Best App has been detected as adware by 22 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. The file has been seen being downloaded from dl.file17desktop.com and multiple other hosts.
Publisher:
Best App  (signed and verified)

MD5:
adf13f422f40651b77a6a072228453ed

SHA-1:
846d254ec32dba12268ab4eb1450ffda2aa1e31b

SHA-256:
b1e3908014124461584c738bdd9b5da46307c1097d6dccfa8bdd2df96bcce2a9

Scanner detections:
22 / 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:
12/27/2024 11:29:19 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.V
679

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.03.28

avast!
Malware-gen
2014.9-150327

AVG
Generic
2016.0.3157

Bitdefender
MemScan:Application.Bundler.Outbrowse.V
1.0.20.430

Comodo Security
Application.Win32.OutBrowse.MQPC
21560

Dr.Web
Trojan.OutBrowse.90
9.0.1.05190

Emsisoft Anti-Malware
MemScan:Application.Bundler.Outbrowse.V
8.15.03.27.04

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
9.7.0.302.0

F-Secure
Riskware.MemScan:Application.Bundler.Outbrowse
11.2015-27-03_6

G Data
MemScan:Application.Bundler.Outbrowse
15.3.25

herdProtect (fuzzy)
2015.7.2.11

K7 AntiVirus
Unwanted-Program
13.190.14599

Malwarebytes
PUP.Optional.OutBrowse
v2015.03.27.06

McAfee
Program.Adware-OutBrowse.c
16.8.708.2

MicroWorld eScan
MemScan:Application.Bundler.Outbrowse.V
16.0.0.258

NANO AntiVirus
Trojan.Win32.OutBrowse.dlwssj
0.30.8.659

Quick Heal
Adware.NSIS.OutBrowse.A
3.15.14.00

Reason Heuristics
PUP.Bundler.Outbrowse
15.3.27.16

Trend Micro House Call
Suspici.202D3B0F
7.2.183

VIPRE Antivirus
Threat.4150696
38552

File size:
564.7 KB (578,208 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
12/5/2014 4:37:04 AM

Valid to:
12/6/2015 4:37:04 AM

Subject:
CN=Best App, O=Best App, L=Dublin, C=IE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11215B01F9256F0A054A3A5BFF4B3A8312B6

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:hR7sY4KI6vLN4MKppw9Jq6yUOSsrp8AWmEtA+L2++4Oo:hRoYtvL6MKDUo6vcp8Azs2+F

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:
7.9729

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installation.exe has been seen being distributed by the following 2 URLs.

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