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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.down1209group.info.
Publisher:
OWHKH  (signed by yEs appS)

Product:
OWHKH

Version:
1924.15526.859.385

MD5:
72e4b99c6e0458f32f9e8394eb068c8e

SHA-1:
e946d2b4f7586a91cadc3e95fe41200b09726860

SHA-256:
44116a23377b32f3a20b4739acf1118ed209a1247288ea1a8bf69eda27a4fc17

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:
2/24/2025 10:51:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.yEsappS.Bundler (M)
16.2.2.8

File size:
636.1 KB (651,408 bytes)

Product version:
1924.15526.859.385

Copyright:
OWHKH

Trademarks:
OWHKH

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 7:00:00 AM

Valid to:
12/18/2015 6:59:59 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:
12/6/2009 5:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:QZYe2Y2rzaMDosCT6sujGbRutXN1c2QXd+5FLuMLuAb9oefc8vy4h:QZbpAzaM9CTPO8utX3KXdg0Abq786

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:
7.9715

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.down1209group.info/.../1432631836/1432631836?49279796651Y1xyKyg4ZzcrLi8zKiRdNCsrMjEyJWg0MSwpLh1oNyslYCg7R0xGOT9MIWJoYGFkYF00UTMsL0FwMj9nOh1jXWptOSkkc2BpNCo

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