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download.exe

The application download.exe has been detected as a potentially unwanted program by 9 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:
94a2e7400d003604d7fe7cd6f67f2c04

SHA-1:
cbb51707ad316ddd2eb8283f98ad96228cc2c77a

SHA-256:
89d12f7157077c4fde08d9a2c5e67f413f07b64a2c224ce1340bb46a87b31831

Scanner detections:
9 / 68

Status:
Potentially unwanted

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

Analysis date:
11/30/2024 10:30:09 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.169.216

Dr.Web
infected with Trojan.Packed.28499
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AI (variant)
8.10332

Malwarebytes
PUP.Optional.Outbrowse
v2014.08.28.10

McAfee
Adware-OutBrowse
5600.7024

NANO AntiVirus
Riskware.Nsis.Downware.degyys
0.28.2.61861

Trend Micro House Call
TROJ_GEN.R047H06HH14
7.2.240

VIPRE Antivirus
Threat.4823950
32210

File size:
617.4 KB (632,192 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\Documents and Settings\{user}\My documents\downloads\download.exe

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:PJhzELb2Ag+va0JpN8BAgSGEo+EKe/1HW+MhLRwbpzIwWgfc8vy4hi:PJhzELb3PS0J7eAg+tPetHWhhLROpzID

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 download.exe has been seen being distributed by the following 2 URLs.

http://get.down1oad4desktop.com/.../Get?p=3022&d=18744&l=1694&n=0&d1=864147&si=0&clickid=ZhdXVpZD05ODViYzZlOC1mNTY0LTRmYzEtYmI4Yy0zMTQxNzU4NTJhNWI

http://get.default-page.com/.../Get?p=3022&d=18744&l=1694&n=0&d1=864147&si=0&clickid=ZhdXVpZD05ODViYzZlOC1mNTY0LTRmYzEtYmI4Yy0zMTQxNzU4NTJhNWI

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