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install.exe

The application install.exe has been detected as a potentially unwanted program by 15 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:
d1e1fc3540f7a086e8ad2f03c13b1785

SHA-1:
89849689118fbd0929885fd80f4ca5cb543da763

SHA-256:
39f20871a6efe64477bdfa75642d393261231a4aa19de9bad138b44f18a0ef9d

Scanner detections:
15 / 68

Status:
Potentially unwanted

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

Analysis date:
1/15/2025 9:31:08 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.200.132

avast!
OutBrowse-AE [PUP]
150101-1

Dr.Web
Trojan.Packed.29292
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AE potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
1/11/2015

F-Prot
W32/Outbrowse.B2.gen
v6.4.7.1.166

Malwarebytes
PUP.Optional.OutBrowse
v2015.01.11.01

McAfee
Program.Adware-OutBrowse
16.8.708.2

NANO AntiVirus
Trojan.Win32.Generic.dbxkzp
0.30.0.64448

Rising Antivirus
PE:Trojan.Win32.Generic.172839E9!388512233
23.00.65.15109

Trend Micro House Call
TROJ_GEN.R00UC0PKI14
7.2.11

Trend Micro
TROJ_GEN.R00UC0PKI14
10.465.11

Vba32 AntiVirus
AdWare.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4823950
36504

File size:
617.4 KB (632,200 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 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:NpX0clFdNeED/dxR6VXluJQqYU1g5w5Thk/H5ihf8F/fc8vy4hK:NpEcLdZD/908JrKw5T2cmM86Z

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:
7.9803

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=143354&si=0&filename=install&clickid=Z3dXVpZD05N2JjZjQyYy1mMGY4LTQ0YWQtYWQxNC1lNDMxMGQzZjE3NDE

http://get.default-page.com/.../Get?p=3022&d=1775&l=1694&n=0&d1=143354&si=0&filename=install&clickid=Z3dXVpZD05N2JjZjQyYy1mMGY4LTQ0YWQtYWQxNC1lNDMxMGQzZjE3NDE

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