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spark_minidownloader.exe

Baidu Spark Browser

Innovative Systems LLC

The application spark_minidownloader.exe by Innovative Systems has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from spark-browser.joydownload.com and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Baidu Spark Browser

Version:
1.0.0.0

MD5:
a38bf876ca5c15ce5e21fffd70823d37

SHA-1:
ac5228588b62b8c0a3f2b126ab38e3176cb69d19

SHA-256:
4cf0cad1afd16f5d561a82ab69c1b16fb2c1517d52922bcda5c4176a6dd710a5

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
4/26/2024 9:05:28 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Downloader.Gen
7.11.177.134

AVG
OpenCandy
2015.0.3323

ESET NOD32
Win32/JoyDownloader
8.10541

Malwarebytes
PUP.Optional.OpenCandy
v2014.10.12.03

McAfee
Artemis!045AAB13437B
5600.6979

Reason Heuristics
PUP.InnovativeSystems.U
14.10.12.15

File size:
496.4 KB (508,312 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\spark_minidownloader.exe

Digital Signature
Signed by:
Innovative Systems LLC

Authority:
Thawte, Inc.

Valid from:
9/19/2014 2:00:00 AM

Valid to:
9/20/2015 1:59:59 AM

Subject:
CN=Innovative Systems LLC, O=Innovative Systems LLC, L=Dnepropetrovsk, S=Dnepropetrovska, C=UA

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
09A91C40EAE34E72CD975B0B218AE4BA

File PE Metadata
Compilation timestamp:
5/20/2013 1:52:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:eQNDxa5u3G6Y3xja9L4M6ez4cWOW4u+XYHTAi:PUR3xjAL49vcNW4u+XYHTl

Entry address:
0x331F

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, D8, 7A, 7A, 00, E8, A8, 2E, 00, 00, A3, 24, 7A, 7A, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, D0, EE, 79, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, 20, 6A, 7A, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 20, 7B, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file spark_minidownloader.exe has been seen being distributed by the following 3 URLs.

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXGwj 8XPavWwllklUyNSrEWEmwO7Ou7L1vmTq5/DQtmo9bb1myIO7uNDC2wl5KbSCeEKqtH78lhOA kJnaRB6avCX7BlSu4S tgLbbrNPKk2dZqtY6gF9QFy/zGDUsnsIivSH7WmmLFOUfiJuwfnJFNKs5bBIOMKXlFTouOpXTdFl9y KxUDQuO4/02/9jUTXu5xjdl7xmBpivd8q8ZDJW2cuvSKFkxl9A/.../44JDnzR1jZybWsyke29PBMnCpQULbmvEy

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv U8/zOh/jwnickFbk3lYqn7N2G3g15aOHHIX/usW782yath1s3eDQ b7WyhWFT84XG gLbbqNPKxCsL NdlkV4bXnejCz10kMog/y7xGWmaSq4ckZPzPHQNbbMgJx4MMKnlXTl1e8Tcf0J2nqqnGCQvaof2w Z2BGi6uEibxbwsWMP0NYDyfXof1cC F/tn30xXtpWvzwe/Lf83hSflCctX/JHiHyz7uNKamCgqddUDFMZmVgJ67rvTQl0/.../44JDnzR1jZybWsyke29PBMnCpQULbmvEy

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxLzY9bB9qNnrz7j8CotjJhbb1XsK7H6NWHpiBQBcDaeELCtGbE2wbBkxcefBQfS9SnyHhCo5C/qyefa7dPam3FMqYc7wF9BXmT U2pnn4Aj/CHoWGeLS/9Wy83zd25TerJxJR0FIafxVXl5asWNLB8onve9TnM3c8b40 k/HAr64xiU84I1WsvJL4XwMy4Ni5T/.../h0qnLbh 1CahCd0at5nvHD6qoZrTkC8qdfAaEZY2enUluvClHxtljRCi3J5OESbzQknhqNnuxgU3P2DP 2AX18uQaSa6ThjXifEy

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