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nitro-pdf-professional.exe

I.T.N.T. SRL

This the Soft32 ad-supported download manager that bundles additional PUP offers. "During the download process we may show commercial offers, such as a toolbar or other browser add-ons. The download manager is in no way affiliated or endorsed by the author of this product." The application nitro-pdf-professional.exe by I.T.N.T. SRL has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the Soft32 Download Manager installer. The file has been seen being downloaded from d1paiffl7z93rl.cloudfront.net.
Publisher:
I.T.N.T. SRL  (signed and verified)

MD5:
fd2e7febb16a03c500b4a0ab955dc949

SHA-1:
306e8b15bc3efb756d772eccd84bd4a0c3580e54

SHA-256:
e8f0f9cbc507d1e2506843a6a47822014d9efc1ef0b12b582f77e86b566c37e8

Scanner detections:
10 / 68

Status:
Adware

Explanation:
The setup file is part of the Soft32.com download and install manager. It is an ad-supported installer and attempts to get the user to install various adware toolbars, browser add-ons, game applications or other potentially unwanted programs. If a sponsored software offer such as a toolbar is installed it might change the User’s home page, default search settings and 404 traffic. Note, the software installed by Soft32 is probably safe, just the installer is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/1/2024 12:42:38 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-PUP/Soft32Downloader
2015.01.22

Avira AntiVirus
Adware/Kranet.ponai
7.11.203.222

avast!
Malware-gen
150102-1

AVG
Generic
2016.0.3222

ESET NOD32
MSIL/Soft32Downloader.C potentially unwanted application
7.0.302.0

McAfee
Artemis!31B971C7F7E5
5600.6878

Reason Heuristics
PUP.Downloader.Bundler.Soft32
15.1.21.16

Sophos
Generic PUA AG
4.98

Trend Micro House Call
Suspici.F4CBE3E4
7.2.21

VIPRE Antivirus
Threat.4150696
36666

File size:
667.1 KB (683,128 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Soft32 Download Manager (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\nitro-pdf-professional.exe

Digital Signature
Signed by:
I.T.N.T. SRL

Authority:
COMODO CA Limited

Valid from:
12/4/2014 2:00:00 AM

Valid to:
12/5/2015 1:59:59 AM

Subject:
CN=I.T.N.T. SRL, O=I.T.N.T. SRL, STREET=Str. Costache Negri Nr 9 Apartament 1, L=Sibiu, S=RO, PostalCode=550402, C=RO

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
5C97D3EAAA49D29938CA0FA32520A363

File PE Metadata
Compilation timestamp:
5/11/2014 10:03:42 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:8tdclXuuHpLRStmxIQHY0c8vgTvHHltCVwSLcWN+pJu6nQ/Ue3ot30wC2fh:yclXXnStcHY/8vAfHD4wSAbLQMeikwCi

Entry address:
0x30E2

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 1C, 71, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 58, E4, 42, 00, E8, 95, 2D, 00, 00, A3, A4, E3, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, E0, 87, 42, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, A0, DB, 42, 00, E8, 3F, 2A, 00, 00, FF, 15, 20, 71, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 2D, 2A...
 
[+]

Entropy:
7.9422

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file nitro-pdf-professional.exe has been seen being distributed by the following URL.

https://d1paiffl7z93rl.cloudfront.net/20150121/.../nitro-pdf-professional.exe

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