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microsoft net framework setup.exe

Zulu Soft 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 microsoft net framework setup.exe by Zulu Soft 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 microsoft-net-framework.soft32.com.
Publisher:
Zulu Soft SRL  (signed and verified)

MD5:
3b2b01c44d2c6ffe1e9c98fb4dfe59a8

SHA-1:
1826020f5891c67852b829e6afe3e5027cef77c5

SHA-256:
363fa9bedccaac05cb310282045af6e5320a4cd260bc4f1cca4570bd8195b454

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 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:
4/25/2024 6:05:49 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Soft32Downloader
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.164.66

Dr.Web
Adware.Downware.2152
9.0.1.05190

ESET NOD32
MSIL/Soft32Downloader.C potentially unwanted application
8.7.0.302.0

herdProtect (fuzzy)
variant of the weather channel desktop setup.exe (Adware)
2014.9.11.22

Malwarebytes
PUP.Optional.Soft32.A
v2014.08.03.07

McAfee
SoftDropper
5600.7049

NANO AntiVirus
Riskware.Nsis.Downloader.cvxhzw
0.28.2.61148

Reason Heuristics
PUP.Installer.ZuluSoftSRL.DD
14.8.3.17

VIPRE Antivirus
Threat.4783370
31208

File size:
742.9 KB (760,720 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\microsoft net framework setup.exe

Digital Signature
Signed by:
Zulu Soft SRL

Authority:
Symantec Corporation

Valid from:
6/4/2013 3:00:00 AM

Valid to:
6/18/2016 2:59:59 AM

Subject:
CN=Zulu Soft SRL, O=Zulu Soft SRL, L=Sibiu, S=Sibiu, C=RO, SERIALNUMBER=J32/987/2007, OID.2.5.4.15=Private Organization, OID.1.3.6.1.4.1.311.60.2.1.3=RO

Issuer:
CN=Symantec Class 3 Extended Validation Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
22D4D7E5042BE9C2999CB05C4CA2BB4F

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:jA2qogAPiqhb4m0FUpapbOZ1Wg0tewuZSEhR7HO+NSp3sbqliSKmfcN:82p1xYFUpapbOZ1twuZnrOfSqsSKmU

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:
7.9559

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file microsoft net framework setup.exe has been seen being distributed by the following URL.

http://microsoft-net-framework.soft32.com/get/file/id/.../?lp=dsa&tg=ro&kw=_inpage:Home Windows Developer-Tools Net&mt=b&ad=45172159619&pl=&ds=s&gclid=CjwKEAjw0a2eBRDVrabv9vWJ90USJACsKRDH2UmyWgj8gWb5_rfIwyFFxgd9C9iUXGa5eAFvny5UARoCZ7Tw_wcB&uid=14058828392ad85aebabfd6f364d6ada2cf441d075&_ga=472011457.1405882839

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