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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:
UCIMK  (signed by YeS ApPS)

Product:
UCIMK

Version:
8878.1569.853.7620

MD5:
d668f3e4d0b9657236a9be453c21b139

SHA-1:
532e9aec849cf2ffd1d1b016c2d2f5f928fd14e3

SHA-256:
045842852979cbaa6f784af4597abfddaf4d98ec7070e00566034ac4c45e27e2

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:
5/22/2024 3:15:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.YeSApPS.Bundler (M)
16.6.28.19

File size:
799.3 KB (818,472 bytes)

Product version:
8878.1569.853.7620

Copyright:
UCIMK

Trademarks:
UCIMK

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
YeS ApPS

Authority:
thawte, Inc.

Valid from:
6/7/2015 9:00:00 PM

Valid to:
12/17/2015 9:59:59 PM

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 8:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:GrXiv3lgldD17SxlI4RBIkvYELI5jh+86F:iXiv36ldDVSxBRSkvLIFB

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/.../1433884552/1433884552?67932686013YV5rLy85aDcxMi0xLB1hOyswLzYyI2Y2KjAwLx5oPS8jXio0S1NHOj9SJWBmYlpoZ141SUUwLUtNWVBjZB5jY25rNywnI3hjaDcw

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