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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:
AISOO  (signed by yEs appS)

Product:
AISOO

Version:
6548.15526.855.3479

MD5:
e1503bcea3c079bb06aa7db831d646b0

SHA-1:
3623f7b9c4acdb272b7475bd390159a85f0d285a

SHA-256:
8e0cc4dfd65390b3dd208e5852a4f9035e32c5196fe3e3b187bce791bd23a536

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:
11/1/2024 6:20:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.8.9.16

File size:
635.5 KB (650,704 bytes)

Product version:
6548.15526.855.3479

Copyright:
AISOO

Trademarks:
AISOO

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:
12/18/2015 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:
22B6FC8A650FE1FF00806D8A48170F06

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:lQmy7/YjlqrwUm9DyxcBMTwV6cVfy0dTC0zVjHCIfOfc8vy4h:lRy7/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...
 
[+]

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/.../1432655215/1432655215?94348917504XmFxLik2bzYtMi0dYDouLC0vKiFsOSgyNjAeZTwqIWQtNC00Mi4vMB9fMjkoLjI1KyglXGdpX2JlYTkqJ1MxPE4waUhJSHBCUV8uMz4 YkNCKXBXYS5YLCcsKyJhWm5nODEicWVtOSg

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