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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. The file has been seen being downloaded from get.up1004.info.
Publisher:
UFRWR  (signed by BeST ApP)

Product:
UFRWR

Version:
5737.15911.889.7822

MD5:
b1e1ebf59f3d97945397a52e2855d2d1

SHA-1:
907176df26d0fa4fb8bc684ca0964671459c4d57

SHA-256:
f730a5dc2dc41674ff4c688e397bd06c1df3663fc948d62ca5566b5a4537dab6

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 12:01:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BeSTApP.Bundler (M)
16.3.22.5

File size:
548.2 KB (561,368 bytes)

Product version:
5737.15911.889.7822

Copyright:
UFRWR

Trademarks:
UFRWR

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\inetcache\ie\{random}\setup.exe

Digital Signature
Signed by:
BeST ApP

Authority:
thawte, Inc.

Valid from:
6/30/2015 7:00:00 AM

Valid to:
12/18/2015 6:59:59 AM

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:
12/6/2009 5:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:ZFybjXGulbFVai8onaRCorJ+BjL1cszY3TAzpgb1am6vu:ZQXFlbFVzfnAV+MNska1v

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:
7.8473

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/1441959136/.../1441959136?24610971953ZWFuMTQ2aXFjOC4kbDcyMCkrJVs4LzIyKjAmYzYwLTQxJGo3LyZbKjwqLjQ0MCslZCk2LCghYTE5JzAmWy08JCwjYjE3LDEdX2hjYGtfaV88c1xtdGchYGplXWppWzZ2JzJOR0dLNjlGP0YuQi5MQz8yODgvQCkhZmFraDwzJx9vaWc6LyJdbm40Kg

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