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microsoft windows 8 1 preview 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 windows 8 1 preview setup.exe by Zulu Soft SRL 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 Soft32 Download Manager installer.
Publisher:
Zulu Soft SRL  (signed and verified)

MD5:
ca354cc09f15828d57d47451cd6d5cac

SHA-1:
97ff99b65a0a3acd5f7b2191bee3a2edbd20ab10

SHA-256:
6804da7082f4263bc6ae1122cc4c485167fe095c9c3e5d23df025c114d1325b8

Scanner detections:
1 / 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:
4/26/2024 3:40:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Downloader.Bundler.Soft32.Installer (M)
16.4.3.6

File size:
844.8 KB (865,112 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\microsoft windows 8 1 preview setup.exe

Digital Signature
Signed by:
Zulu Soft SRL

Authority:
Symantec Corporation

Valid from:
6/3/2013 8:00:00 PM

Valid to:
6/17/2016 7:59:59 PM

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:
5/19/2013 7:53:02 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:Q8P5WL11hzb/ujoHQAihnOKURJ/CxmNB:T851h/1HZQOzRJqc

Entry address:
0x310B

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 1C, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 18, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 58, EC, 42, 00, E8, 6E, 2D, 00, 00, A3, A4, EB, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, E0, 8F, 42, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, A0, E3, 42, 00, E8, 18, 2A, 00, 00, FF, 15, 1C, 71, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 06, 2A...
 
[+]

Entropy:
7.9614

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file microsoft windows 8 1 preview setup.exe has been seen being distributed by the following URL.

http://microsoft-windows-81-preview.soft32.com/get/file/id/.../?lp=adwords&tg=us&kw=Install windows 8&mt=e&ad=44746985118&pl=&ds=s&uid=1411438546f337882fe69fa13797246d97915b6f09&_ga=1078365544.1411438545&gclid=CIjfxaqi9sACFSMLMgodkBUA5A

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