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itunes_setup.exe

DownloadShield

The application itunes_setup.exe by DownloadShield has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from itunesfree.opendownload.us.
Publisher:
DownloadShield  (signed and verified)

MD5:
b531823372300a75439f8933baf37dc5

SHA-1:
a41a082e683848a9e34b2000affbf51c53e9c368

SHA-256:
6650d319f9d98c1a792ab3178ef61d56cc3afada1738bffa6bdf9a174314ee07

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
5/13/2024 4:31:06 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DownloadShield.Installer (M)
15.12.29.9

File size:
209.7 KB (214,688 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\itunes_setup.exe

Digital Signature
Signed by:
DownloadShield

Authority:
VeriSign, Inc.

Valid from:
3/10/2013 7:00:00 PM

Valid to:
5/9/2016 6:59:59 PM

Subject:
CN=DownloadShield, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=DownloadShield, L=San Jose, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
309C9F4C0975E9792AECED60B8346C13

File PE Metadata
Compilation timestamp:
8/28/2014 11:10:27 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
3072:wAWEqcrBSDjS6iPGcvzsVMbFG+INW0RCD6aWFdiaS//EcayujOGUVG9MaYVVDpP:wkZM+GKEOl96CD6DuV/E50GqRb1

Entry address:
0x3350

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, A8, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 23, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 3B, 74, 40, 00, FF, 15, 58, 71, 40, 00, 68, 30, 74, 40, 00, 68, C0, 33, 42, 00, E8, 15, 24, 00, 00, FF, 15, B0, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 03, 24, 00, 00...
 
[+]

Entropy:
7.6357

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file itunes_setup.exe has been seen being distributed by the following URL.

http://itunesfree.opendownload.us/.../downloadarch.php

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