setup.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 setup.exe by BeST ApP 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from get.up1004.info.
Publisher:
UBECN  (signed by BeST ApP)

Product:
UBECN

Version:
3635.15913.886.427

MD5:
420ef2ed13acd9fe5c139431a3f87ecc

SHA-1:
572aa21df0415326f5d6514e22bc8c91a398e607

SHA-256:
af83bf0e6a108bced471264f58e135d0e7f52593df2a805a92f47de99b5a58a6

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 '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:
12/26/2024 12:40:40 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BeSTApP.Bundler (M)
16.3.10.16

File size:
557.3 KB (570,712 bytes)

Product version:
3635.15913.886.427

Copyright:
UBECN

Trademarks:
UBECN

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
6/30/2015 1:00:00 AM

Valid to:
12/17/2015 11:59:59 PM

Subject:
CN=BeST ApP, O=BeST ApP, L=Dublin, S=Dublin, C=IE

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

Serial number:
64E1250DF629BD3901AA90A77D70239E

File PE Metadata
Compilation timestamp:
12/5/2009 10:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:tVrVUnq4K7TYF3QmSieiirPk60emUm7AjAyW5d3+6a:t0q1jBtrPk6/wAjA13+

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8504

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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