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kuler-windows-downloader.exe

Malavida Network International, S.L.

The application kuler-windows-downloader.exe by Malavida Network International, S.L has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This will display context specific advertisements in the browser as well as attempt to modify the browser's search provider. The file has been seen being downloaded from dl13350ad.mvmfd.net and multiple other hosts.
Publisher:
Malavida Network International, S.L.  (signed and verified)

MD5:
f203d3be2835c6d44c3739d87af1695c

SHA-1:
a5fc2f313b1f53837fc17a1e275fb764b2d974c2

SHA-256:
ff923dc975f35b168cb3316d7f8069d52751227ac7ba8bbff25905353eea87b2

Scanner detections:
8 / 68

Status:
Adware

Explanation:
The installer may include an offer for the Babylon Toolbar (a homepage/search hijacker), which is potentially installed with minimal user consent.

Analysis date:
4/27/2024 12:51:54 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Toolbar.Babylon
2015.0.3571

Dr.Web
Adware.Downware.1448
9.0.1.037

ESET NOD32
Win32/Malavida
8.9389

McAfee
Artemis!F203D3BE2835
5600.7227

Reason Heuristics
PUP.MalavidaNetworkInternationalSL.Y
14.8.7.21

Sophos
Malavida
4.97

Trend Micro House Call
TROJ_GEN.F47V0130
7.2.37

VIPRE Antivirus
Malavida
26196

File size:
347.1 KB (355,440 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\kuler-windows-downloader.exe

Digital Signature
Signed by:
Malavida Network International, S.L.

Authority:
VeriSign, Inc.

Valid from:
3/27/2013 12:00:00 AM

Valid to:
3/27/2014 11:59:59 PM

Subject:
CN="Malavida Network International, S.L.", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Malavida Network International, S.L.", L=Valencia, S=Valencia, C=ES

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
0DC341780137340F059956E88184360E

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:iQqBFfjtmMyHYZowAjO3UeKv4WpNqAXJ2WptMHLRHkaYnZ3CcCwiM:81pnRYjTlN9XNOR0ZyHM

Entry address:
0x30CB

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, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8886

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file kuler-windows-downloader.exe has been seen being distributed by the following 4 URLs.

http://dl13350ad.mvmfd.net/en/.../microsoft-word-windows-downloader.exe

http://dl1335062.mvmfd.net/en/.../microsoft-word-windows-downloader.exe

http://dl13350ac.mvmfd.net/en/.../oxford-dictionary-of-english-windows-downloader.exe

http://dl13350a9.mvmfd.net/en/.../kuler-windows-downloader.exe

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