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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 16 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.
Publisher:
Best App  (signed and verified)

MD5:
c397fee914252a280fdf8523ae2871ee

SHA-1:
ba15948be0f106ac26db2ee1fec6b93f1a7567f8

SHA-256:
5b30a8eee022a526d26cfc0cf61e9e22335eb34d2e295fee792283a1d8461516

Scanner detections:
16 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/27/2024 11:55:00 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.V
777

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.12.20

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.196.230

AVG
Generic
2015.0.3255

Bitdefender
MemScan:Application.Bundler.Outbrowse.V
1.0.20.1770

Emsisoft Anti-Malware
MemScan:Application.Bundler.Outbrowse.V
9.0.0.4668

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
7.0.302.0

F-Secure
Riskware.MemScan:Application.Bundler.Outbrowse
5.13.68

G Data
MemScan:Application.Bundler.Outbrowse
14.12.24

K7 AntiVirus
Riskware
13.188.14395

Malwarebytes
PUP.Optional.OutBrowse
v2014.12.20.12

McAfee
Program.Adware-OutBrowse.c
16.8.708.2

MicroWorld eScan
MemScan:Application.Bundler.Outbrowse.V
15.0.0.1062

Norman
MemScan:Application.Bundler.Outbrowse.V
04.12.2014 14:30:06

Reason Heuristics
PUP.BestApp.M
15.1.4.13

VIPRE Antivirus
Threat.4150696
35418

File size:
564.7 KB (578,216 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:
Best App

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:+o7sY4KI6vLN4MKppw9Jq6yUOSsrp8AWmEtA+L2++4ON:+ooYtvL6MKDUo6vcp8Azs2+G

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 URL.

http://dl.file17desktop.com/.../get14?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=bc32c391-5069-40f3-b1f2-306c1be99c59

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