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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:
BCVFE  (signed by BeST ApP)

Product:
BCVFE

Version:
6754.15913.882.1258

MD5:
1a41a1143ed41fd038583f21115c7253

SHA-1:
aa4274feab5abafdca99e5b54281eb9ef39e1a1e

SHA-256:
36236ae9748fdaa8c106b9452da0a957a0f53c6950b0ef427326f7948a79887e

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 12:23:12 PM UTC  (today)

Scan engine
Detection
Engine version

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

File size:
557.3 KB (570,704 bytes)

Product version:
6754.15913.882.1258

Copyright:
BCVFE

Trademarks:
BCVFE

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:
BeST ApP

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:ALrVUnq4K7TYF3QmSieiirPk60emUm7AjAyW5d3+6a:Aiq1jBtrPk6/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:
7.8505

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.

http://get.up1004.info/1442160983/.../1442160983?39194387691ZFxzKTA8aGtmNDAjZzwqLC8qH140MS0pOC4iaTUqMDAzI2U8JyJhKTYrKC8tKCVbLjolKiBbMjokMB1gMTUmKx1jMjQsKCJjYWVfZWBqXDxqYXFtaSBaa2ZaamBgOm9BSEcxSjhUKUFLKUcyKk0tTDYvLz8 QiBgYmxlPCosI2hrZjQwI1puZTku

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