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install.exe

The application install.exe has been detected as a potentially unwanted program by 4 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:
83b3ecd98c807b173d87b62effe49b67

SHA-1:
68d18c9042540540a1ed48a5f746ae11add1976f

SHA-256:
00ed5c1b9b03ba2eaa4fd92c8701026dacc2b6d4139b5d95834fccb06964d087

Scanner detections:
4 / 68

Status:
Potentially unwanted

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

Analysis date:
4/26/2024 9:08:46 PM UTC  (today)

Scan engine
Detection
Engine version

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

ESET NOD32
Win32/OutBrowse.AH potentially unwanted application
7.0.302.0

McAfee
Program.Adware-OutBrowse
18.0.204.0

VIPRE Antivirus
Threat.4150696
46444

File size:
618.2 KB (633,061 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 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:NiR6bLG9PjPyLmjjdcSv1+CWqW54wLx8HanJqfc8vy4ha:NR3SjPJHd9dzWXTLmUJH86t

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:
7.9806

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=Z1dXVpZD1jNzQ4OGI1NC1hODJiLTQyMWUtYjZjNy05MjYxY2I2Mjg1NTg

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