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4shared_desktop_4.0.3.1.exe

4shared Desktop Setup

New IT Limited

This is a bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application 4shared_desktop_4.0.3.1.exe by New IT Limited has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the New IT Desktop Setup installer. This version of the installer will bundle the Ask.com Toolbar, a potentially unwanted web browser extension. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from dc600.4shared.com and multiple other hosts.
Publisher:
New IT Solutions  (signed by New IT Limited)

Product:
4shared Desktop Setup

Version:
4.0.3.1

MD5:
5fd6fb92af00af2a4b3dbab631f24083

SHA-1:
454e5e10d2e812b3096207ef3985ac8ec67af284

SHA-256:
cf1c84291463f5d1b958fffd3b13902877feb75440463ac956cba3376b7200d9

Scanner detections:
8 / 68

Status:
Adware

Explanation:
Bundles that Ask.com toolbar as a third-party offer, a web browser extension that may modify a user's search and home pages.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/26/2024 5:35:39 PM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.Clodffa.Trojan
1.3.0.4613

Dr.Web
Adware.Downware.1417
9.0.1.0359

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
7.9190

Malwarebytes
PUP.Optional.4Shared
v2013.12.25.12

McAfee
Artemis!5FD6FB92AF00
5600.7271

Reason Heuristics
PUP.Optional.Installer.NewITLimited.U
14.2.16.6

Rising Antivirus
PE:PUF.4Shared!1.9C25
23.00.65.131223

Trend Micro House Call
TROJ_GEN.F47V0827
7.2.359

File size:
5.5 MB (5,766,776 bytes)

Copyright:
New IT Solutions

File type:
Executable application (Win32 EXE)

Bundler/Installer:
New IT Desktop Setup (using Nullsoft Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\4shared_desktop_4.0.3.1.exe

Digital Signature
Signed by:
New IT Limited

Authority:
GoDaddy.com, Inc.

Valid from:
11/16/2012 8:16:05 PM

Valid to:
11/16/2013 6:30:34 PM

Subject:
CN=New IT Limited, O=New IT Limited, L=Nicosia, S=Nicosia, C=CY

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
2B2A165690BBAA

File PE Metadata
Compilation timestamp:
4/10/2010 3:19:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
98304:LPdk5Bk3/epn2QhOuj7gZXjz6oEaamPKiNxqmq+mbGFgXtlJNcm:LPOgWl2QhOuj4Xjz6oEbUx3zgXtlJV

Entry address:
0x354B

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.9945

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file 4shared_desktop_4.0.3.1.exe has been seen being distributed by the following 4 URLs.

http://dc600.4shared.com/.../-UtQpTHA

http://www.4shared.com/downloadDesktop

http://www.4shared.com/download/.../4shared_Desktop_4031.exe

http://dc488.4shared.com/.../-UtQpTHA

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