setup.exe

BEst inSTall TLl

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 BEst inSTall TLl 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from download.file8desktop.com.
Publisher:
SQNEE  (signed by BEst inSTall TLl)

Product:
SQNEE

Version:
7742.15821.1192.7450

MD5:
4591a2f460ec0251ef3cbdb5bbf04458

SHA-1:
481a2c45ed636a1566967ec9636ec94745f0ad75

SHA-256:
ae7723f733911f9c5a92730a06fa22533dac912ef85d22947062cb018bee328b

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/5/2024 11:43:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.15.16

File size:
742.3 KB (760,072 bytes)

Product version:
7742.15821.1192.7450

Copyright:
SQNEE

Trademarks:
SQNEE

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Authority:
thawte, Inc.

Valid from:
6/30/2015 3:00:00 AM

Valid to:
1/28/2016 2:59:59 AM

Subject:
CN=BEst inSTall TLl, O=BEst inSTall TLl, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
505027BABCC52AD6A1AB7C1CB900B9B9

File PE Metadata
Compilation timestamp:
12/6/2009 1:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:92Ld/Fdkn0mAQ937z7APpAl9IPk7+6Wnarl+UGJXDwhFP/MrD/QM1ujihiyhifcU:YLd/L2dAQxOGIPk7SarlcJXUFnMH/2+B

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:
7.9859

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.

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