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install.exe

The application install.exe has been detected as a potentially unwanted program by 5 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.default-page.com.
MD5:
88f66d8acac96600b0e4561969c2dd8a

SHA-1:
6285b2ac37bde51ea266665780b4d61812e80fb8

SHA-256:
ade5ab4c1f03d4d4df48e371806c941ce1e0c15389cbc647571174d99e11d7a2

Scanner detections:
5 / 68

Status:
Potentially unwanted

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

Analysis date:
4/25/2024 1:06:48 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Adware-gen [Adw]
160118-1

Dr.Web
Adware.Downware.6319
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AC potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.562

McAfee
Program.Adware-OutBrowse
18.0.204.0

File size:
550.5 KB (563,747 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:d+UnYdbT2wW+c1fFbftgCin2JI6J8bc1YT/AAUHnOikKWF0:d+UnY03lgd2J0bqAUsKWW

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 URL.

http://get.default-page.com/.../Get?p=3022&d=1775&l=1694&n=0&d1=1&si=0&filename=install&clickid=Z3dXVpZD0wYTQxMmUxYy1lMGRlLTQ0Y2QtOTEwZC0wYjQ3Yzk0MGQ3ZTc

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