home

setup.exe

File

BesT INSTAll TLl

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application setup.exe by BesT INSTAll TLl 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 file has been seen being downloaded from get.file4desktop.com.
Publisher:
BesT INSTAll TLl  (signed and verified)

Product:
File

Version:
1.9.3.0

MD5:
15815341c519e7b3b62b1c03b46a408e

SHA-1:
5068a4411bc447467e3ed230eca38dd56c382fbb

SHA-256:
ceedfa400d061fdf90810bfbc0b24c591a83ebbb781bcb57f2683d8b1f223e5a

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 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:
4/6/2025 11:37:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BesTINSTAllTLl.Installer (M)
15.8.6.23

File size:
1 MB (1,099,592 bytes)

Product version:
1.9.3.0

Copyright:
File

Original file name:
Ionic.Zip-2015Apr08-004203-6d83f45a-08b8-4d60-b32d-4b4bbc6a1f15.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou

Language:
Language Neutral

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

Digital Signature
Signed by:
BesT INSTAll TLl

Authority:
thawte, Inc.

Valid from:
4/4/2015 7:00:00 PM

Valid to:
1/27/2016 5:59:59 PM

Subject:
CN=BesT INSTAll TLl, O=BesT INSTAll TLl, L=Dublin, S=Dublin, C=IE

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

Serial number:
2C8F2AEAE828EB4CE5CC62581B6F2C9B

File PE Metadata
Compilation timestamp:
4/7/2015 7:42:03 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:NMiy4IadS4ms5I6e66fEheKhasA3bNWu8oVP6gYRMTTzp4aBoIn7NcLmj5X4/I2k:NbSaE4mvt/XP358ciexNC8QmN+I2AuN

Entry address:
0x75F3E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.5469

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
464 KB (475,136 bytes)

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

http://get.file4desktop.com/.../1428453721/1428453721?37708519348ZF5tNS06bzQ0LygvH109Ki80KzAiZDoqLzksIW00LiJcLjYqNi0uNx1gaGFgZGJkNS01Ki0yKjAuLjIeZGJmazkqI3NicDUtJVppOV9ibS03

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