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install.exe

The application install.exe has been detected as a potentially unwanted program by 14 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. The file has been seen being downloaded from get.down1oad4desktop.com and multiple other hosts.
MD5:
609e29bafc25bf490f6c666d742b4c04

SHA-1:
c483d1fce656544975844af9180ab5598d0e5948

SHA-256:
00f800dc4474f1183b058a66f760948054f60e200de3bb36162c3e543a9bb987

Scanner detections:
14 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
1/15/2025 9:28:47 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.193.202

avast!
OutBrowse-AE [PUP]
141130-1

Dr.Web
Adware.Downware.7093
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AC potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
12/9/2014

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.543

Malwarebytes
PUP.Optional.OutBrowse
v2014.12.09.03

McAfee
Program.Adware-OutBrowse
16.8.708.2

NANO AntiVirus
Trojan.Win32.OutBrowse.ddvyee
0.28.6.63850

Trend Micro House Call
TROJ_GEN.R047C0OL414
7.2.343

Trend Micro
TROJ_GEN.R047C0OL414
10.465.09

Vba32 AntiVirus
Hoax.PornoAsset
3.12.26.3

VIPRE Antivirus
Threat.4150696
35418

File size:
550.5 KB (563,744 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\install.exe

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:dUUnYdbT2wW+c1fFbftgCin2JI6J8bc1YT/AAUHnOikKWFs:dUUnY03lgd2J0bqAUsKWu

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, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9761

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file install.exe has been seen being distributed by the following 2 URLs.

http://get.down1oad4desktop.com/.../Get?p=3022&d=1775&l=1694&n=0&d1=1&si=0&filename=install&clickid=ZidXVpZD1iOWVmOGYyNy1jYTk1LTQ3YTktOTQ1MS01OTA4MGQ2N2ZiYWM

http://get.default-page.com/.../Get?p=3022&d=1775&l=1694&n=0&d1=1&si=0&filename=install&clickid=ZidXVpZD1iOWVmOGYyNy1jYTk1LTQ3YTktOTQ1MS01OTA4MGQ2N2ZiYWM

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