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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.down4desk.com.
Publisher:
ATSDB  (signed by yEs appS)

Product:
ATSDB

Version:
2435.15526.853.108

MD5:
09c60816356cce1cdd0694d26f1f749d

SHA-1:
0a4ad9e5769e83e5071509fad73d8031f05cd141

SHA-256:
e83da817e42c84e324ae7cf9652be18d55d1ac170b10d37888c508c27ba4405a

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/25/2024 5:14:40 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.yEsappS.Bundler (M)
16.5.25.5

File size:
635.4 KB (650,680 bytes)

Product version:
2435.15526.853.108

Copyright:
ATSDB

Trademarks:
ATSDB

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:
5/11/2015 1:00:00 AM

Valid to:
12/17/2015 11:59:59 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:
22B6FC8A650FE1FF00806D8A48170F06

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:EAmy7/YjlqrwUm9DyxcBMTwV6cVfy0dTC0zVjHCIfOfc8vy4h:Ehy7/Yxqp6DL2TA6cVa0hFzRHCIfr86

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:
7.9717

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.down4desk.com/.../1432656626/1432656626?10076274778ZmV0Kys9aTkwLCgxJmQ2KzMrMjAfZDwyOSoxJGc5KR9cMD0xKiw2MCJcZWFia2ldNzEqLi4wLjcwMzEgZ1xrZzYpJXppaTcu

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