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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 dl.downloaddesktop2.com.
Publisher:
IOANZ  (signed by yES APPs)

Product:
IOANZ

Version:
7859.15531.857.1505

MD5:
95dce65b79e56704bb38240cea1c89cc

SHA-1:
1fc86f48c6e5935d5f141a5ffc888a45e6407c86

SHA-256:
a08c906f9c5bfcb33f59251582121b99d28caaf5ef66c7718117dfaa69eacfb7

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 6:22:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.29.10

File size:
745.7 KB (763,632 bytes)

Product version:
7859.15531.857.1505

Copyright:
IOANZ

Trademarks:
IOANZ

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:
5/28/2015 4:00:00 AM

Valid to:
12/18/2015 3:59:59 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:
265DC0408CF3B52DFB1D83A636C6D864

File PE Metadata
Compilation timestamp:
12/6/2009 2:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:gR0BNn3VEBUaLiAo44gC215Cq1UH+KVT4FjF6XH61v2qtL0yogFn5zfc8vy4h:gR2N3V3DAo4a215YtT476X6lYyoyi86

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://dl.downloaddesktop2.com/.../1433089995/1433089995?62186113370YWNzKis bzouLDAxMSVcNzEzNTQwJmY7MissNCVrOikmXi88Rk9MQUJPH2NmZ2JjY2M8am4qMG01a00 RCVmYGhuNzQlcmNvPC0

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