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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:
4c0c616af4cc3ff3c99a986073d741de

SHA-1:
f4f4d007c0f47b458e80835669ef61ff7bbe1f47

SHA-256:
a31c13b7c1c487da2075071ea64affb8a11625e4f34704fe80e028e39860e14a

Scanner detections:
5 / 68

Status:
Potentially unwanted

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

Analysis date:
4/19/2024 10:40:49 AM UTC  (today)

Scan engine
Detection
Engine version

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

Dr.Web
infected with Trojan.Packed.28499
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AI potentially unwanted application
7.0.302.0

McAfee
Program.Adware-OutBrowse
18.0.204.0

VIPRE Antivirus
Threat.4150696
46732

File size:
617.4 KB (632,191 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\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:PCvhzELb2Ag+va0JpN8BAgSGEo+EKe/1HW+MhLRwbpzIwWgfc8vy4hm:P0hzELb3PS0J7eAg+tPetHWhhLROpzIP

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 URL.

http://get.default-page.com/.../Get?p=3022&d=1775&l=1694&n=0&d1=143354&si=0&filename=install&clickid=Z0dXVpZD02ODRmNmJkZC00MzU4LTRlZjgtYjc2ZS0zMDQ4MDExZDA0YTc

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