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opera browser 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 opera browser 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:
8e2d7acd9244794a7fd043ca62c1a6f0

SHA-1:
aba4fec5cb9a82929f28abf66307d87946a31ca8

SHA-256:
6858ba0344ce1903edc4c1a22f8c23ec70d5c0dbeb00fb61b49aee9b301f8928

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/27/2024 7:47:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Downloader.Bundler.Soft32.Installer (M)
16.4.17.17

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\opera browser setup.exe

Digital Signature
Signed by:
Zulu Soft SRL

Authority:
Symantec Corporation

Valid from:
6/4/2013 5:30:00 AM

Valid to:
6/18/2016 5:29:59 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:
5/20/2013 5:23:02 AM

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:
7.9615

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file opera browser setup.exe has been seen being distributed by the following URL.

http://opera-web-browser.soft32.com/get/file/id/.../?lp=adwords&tg=in&kw=Opera mini download&mt=e&ad=41436021763&pl=&ds=s&gclid=COfHj6-u78ACFdUVjgodhqUACw&uid=14112067011803256be13d4d8b2d7898170e645a4c

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