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setup.exe

staRT noW

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 staRT noW 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:
SBCTB  (signed by staRT noW)

Product:
SBCTB

Version:
2618.15526.792.8374

MD5:
fd6e8ee967867386cd550d7891000210

SHA-1:
40bbef238faa95460b592d3c303bbe37aa972754

SHA-256:
4bcfaacaff225d45606d0038986d72867b227f78cec68b1c84391e3561bedcdc

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:
5/9/2024 7:13:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.1.8.23

File size:
635.5 KB (650,792 bytes)

Product version:
2618.15526.792.8374

Copyright:
SBCTB

Trademarks:
SBCTB

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:
staRT noW

Authority:
thawte, Inc.

Valid from:
5/25/2015 9:00:00 PM

Valid to:
12/11/2015 9:59:59 PM

Subject:
CN=staRT noW, O=staRT noW, L=Dublin, S=Dublin, C=IE

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

Serial number:
7366E562FB25003E03E4582E9B8F157F

File PE Metadata
Compilation timestamp:
12/5/2009 8:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

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/.../1432664987/1432664987?67363652159YV5xKzI5azsxMywgXTosMiwyMCVnNCwtMS0wIGk7MCFnbGhhb2BuaV9sYDQ aHRoaWlcYipIWGhaZF9vIE47NzIwLio0LzIxNF8zLy0zWzUzLi0uNmRfXF9dXzFhMTIkZHNcb2tpN2Vub24kLlgfK2MfL2BeYm0pWVxcYWguKF5tbCApYD1vY3NfbURoaVtfa1xNYm5wbi1gb18fYXNrW2hnYmlYZ146Pm9jcWNxQWBoXWJsI2BkamRpWGdeOm1ibnBuJV5jY1xoY2E3YDQxXiwtLF4tXzIzMmIrL1wxNCozXDRiOGAsWy0uXTAgZGFuaTQrH3djbTcr

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