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setup.exe

YeS ApPS

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 YeS ApPS 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.downserver4.com.
Publisher:
MZWFV  (signed by YeS ApPS)

Product:
MZWFV

Version:
9860.1569.858.2423

MD5:
168f206a865e2b117f5a8967b723e082

SHA-1:
6c95083f7f61f86e7e73bf5e20f744a7fd8d650b

SHA-256:
54a17634648178366ce28a62d908a92f215e6cb125cb272178e9df2d14b14cd9

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:
11/23/2024 10:04:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.10.28.13

File size:
799.4 KB (818,536 bytes)

Product version:
9860.1569.858.2423

Copyright:
MZWFV

Trademarks:
MZWFV

File type:
Executable application (Win32 EXE)

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

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

Digital Signature
Signed by:
YeS ApPS

Authority:
thawte, Inc.

Valid from:
6/8/2015 2:00:00 AM

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

Subject:
CN=YeS ApPS, O=YeS ApPS, L=Dublin, S=Dublin, C=IE

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

Serial number:
3936AF751F55E47EB00BACD23BEDCA72

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:lPb3nqr6WBmpbKfC9lFIPk09cYHMj2FpGrjZKyhs0HeeTicacQFYyrnjgQpivD0S:lTaBTfiykavHA/rj8y5eSizrI0mw86o

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...
 
[+]

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.downserver4.com/1433871926/1433871926/.../SE1ZPzxPS0M TVg Uz8iX3ZnW2ZkXGdcZ2E4UF5ubmsfX2RmYWleZl82Tl5tcGoiZGBoaDYuKR91Y2w4LQ

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