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baidu antivirus 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 baidu antivirus setup.exe by Zulu Soft SRL has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the Soft32 Download Manager installer. The file has been seen being downloaded from baidu-antivirus.soft32.com.
Publisher:
Zulu Soft SRL  (signed and verified)

MD5:
83e816c47400d39c65ce0661fa71be51

SHA-1:
87a110227851455b79e6256b124ccd3903436c5b

SHA-256:
bf250a803530efb33ce455121551343ed01c1b51c4a050da6ae1cc617b77e9da

Scanner detections:
8 / 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:
5/6/2024 9:52:06 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Downloader.Gen
7.11.181.56

avast!
Dropper-gen [Drp]
2014.9-141102

ESET NOD32
MSIL/Soft32Downloader.C potentially unwanted application
8.7.0.302.0

Malwarebytes
PUP.Optional.Zulu
v2014.11.02.11

NANO AntiVirus
Riskware.Nsis.Downloader.cvxhzw
0.28.2.62841

Reason Heuristics
PUP.Installer.ZuluSoftSRL.V
14.11.2.23

Vba32 AntiVirus
TScope.Trojan.MSIL
3.12.26.3

VIPRE Antivirus
Threat.4783370
34232

File size:
519.3 KB (531,776 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\baidu antivirus 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:
5/11/2014 11:03:42 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:0tdBaTYdbjNPmszGtW+2Zqm9BR+UcMJPo+SmIAjpQm2f+:6BbdblTGp20mcUceHSmIuQm2f

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:
7.9141

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file baidu antivirus setup.exe has been seen being distributed by the following URL.

http://baidu-antivirus.soft32.com/get/file/.../1227930?lp=dsa&tg=us&kw=_cat:soft32.com&mt=b&ad=46384030038&pl=&ds=s&gclid=CLaD3_3D3cECFQ9p7AodCnkAdg&uid=14149686394943766fbd7c51012d36320c5727e4bb

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