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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 12 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:
34b5a3c579c3cffa03127cdf782d4590

SHA-1:
778d746f416ab86b1ac5cd7a6add64511266c116

SHA-256:
82b9948996ad50b7045f3e91cdf55b81aafaf49fbf8c13e26388a5695ce4c9a6

Scanner detections:
12 / 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:
11/24/2024 9:38:12 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.11.19

Avira AntiVirus
APPL/Downloader.Gen
7.11.187.4

AVG
OpenCandy
2015.0.3286

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.141118

Clam AntiVirus
Win.Trojan.Agent-803351
0.98/21411

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/JoyDownloader.D potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.OpenCandy
v2014.11.18.02

McAfee
Artemis!2A2CC871B2C2
5600.6942

Reason Heuristics
PUP.InnovativeSystems.U
14.11.18.13

Trend Micro House Call
Suspici.792C221A
7.2.322

File size:
496.5 KB (508,400 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Innovative Systems LLC

Authority:
Thawte, Inc.

Valid from:
9/19/2014 3:00:00 AM

Valid to:
9/20/2015 2:59:59 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 2:52:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:ZQNDxaiFU1QnsE+A+3Nzm6PRQlNx80aHpDHCva4oo6VS:qH0QsEo3lV2vraFHCF6U

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...
 
[+]

Entropy:
7.8812

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 14 URLs.

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjymEBj2adTVsuh152P0sD4tl49bb1XsK7H/NWG9wVBKOSCGGOO1WOxj0bIjzsOXFQSX/Cz Hk20sni1mbOI svT0mlNq4cygVdAU3O1AX1/.../OyQewZT1SPsv3BcU7YLv2QG7LvYk3mnkX91Wrc26QHP78NHB2Hc9NfQcAsdoe20o8 ikFwg410Ki3J5OESbzBAnhqNnuxQU3YTHWsyke2tPBdyv2ER6ay h0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXBwj zXP7oQkEsml0kPTy1E1v4Y9bB9rpi/26nqGl5iNENJ1WnMe/uNDC2xV5KOmWPGO 1E/Y9wLNygp/JFQfS9SnyHkT1unm4jufa7dPem3Ed/slk1hdQXzWtCTRnlcIt7CC5UGGTUvgY2syiPTYNerggJFsFMq/.../zDU75pZD2kkdlZzCRqmFN19jXMXWhQkjcivl0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjymHhnwYdjRtOh152H0sD4rl44cJgTtar/2LTD8kRYDXT7VRbDzR/Jpn YxkJPfGVnZqj3zT0z1smngyOfa7dPfm3EM Mtk3BIBRn3kADx/hodt7CC5UGKTUr1Ow4TrND0VLuBmPRNMOan9RHh9eszJIwkpz6viGDRzJ9mmhK8nBSqwsVDdnf5oFpn esGkfTIFi9O2ROMllF4f7Ij3nwyhLeopxmXjQZNP5YSxQnrjodLQy257euQBGsN bD0xu6GtHhBz10/.../3sZGnzQwvLDKd7HgfntPWOmCgQ0Lejuh0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv U8/zOh/.../lSa0ActP5YSxRXP75tnQw251db0aT4U5OHYjtOCnFB5qzRyz3c8ESnjzDU75ppD2zwkmPXTWsyke3tPBcyv8V0qEgvt0JA==

http://spark-browser.ar.joydownload.com/get_azure_file/wUiS4WnYccXBwj pXP7oQlssmVx1NTutClirNM7Y9ukz53f2pGtxzckFbk3lYqm4e2G3g15ZOHGNCeLkErE90e85mJOPDE b/SvyHgW36Tnk5KiI8ICMziQV/cph1wAASiPvXyx 18kv9DmvEiPAAulOw57rNjMGb7swKB4IO6S0XHl1apeXcgkpz6vmGDQnfJf5kuc2BHv86w7dl7xmApivcsCsbXZZzcr F sujUJW/4O h1/.../4jvhAUkPXjW ypFn4LOYjD3AgKIyuh0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv A8/yOn9np5iNEIJ1Xlarn OHauyxdSNmmeTbD7Tac8gLNiwMyPREzAvXSXUR p4S/gzKuN8YiMxCFV9N1lkV4BXnCtGGs91JprqznxA2mYRL1azMblMDEHY/o4LBIdavajRHE8cszENBkmnqqnGCUvasarhf8 V2O7uRnFnf9mFsbkM4LyPjgZnZ2vFqounh4f/.../g3yGvlVo1P5YSxQHP788jEiCdjbbNJV4w7OnwlounkFxhrnFL0xdYHGS3rFAzhqNnuwQU3aC2Y7D9Wz9KQOnGiV0DcjOh0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXBwj zXP7oQkEsml0kPTy1E1v4Y9bB9bpi/269qG142dMILkTherC/NXC20hcBZnGHQuOmE/Y9xbNykY7dXk7E7SShBkfzuXy4jv3Zr9jT0mlJq4d0x0dJF3ymACx0hshq9Cr6UHHNGf8clJaocnVberJxJRkMOb20Fis9I9OcZERlz/SmAC1mcoH4w7tsUjyouRnFnvtmFtH9IYD1ACwFgZjpQq56w0JEud2/.../ZInCqR0Pajeh0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXBwj pXP7oQlssmVx1NT6tCk6tPIiG9/E9rm/9qHpzyt8cJgTta7HueSro0l8bOGWGCeulGrcwxqtrh8ycBwaDq3a7TBqm8T791 fa7dPZkmlZ4tVhwQ5fBjT4TX0g1tEivSH4UHHGA65Xi83mPSVAMedmcF9MIaS0XHl1ao6Xcgkpz6vhGDQtfobx1/8 TWO8uEia1L81Rseve5ukbnVd2cC1FOAhnBZW54r3nxy8fKE2nS2sEc5P5YSxR3P75cjMzz4rJLxBQY4vej9y8rnIQEM/.../t9tKx1QRmNHHOqjNNicvYc3iqT1PfjOh0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXBwj zXP7oQkEsml0kPTy1E1v4YtbB6qAk5ib0pWJgjIJQeRigK6n3fHm/ykYeazeeEKqtHr8lwbtixsGYFQfS9SnyHhCo5C/qyefa7dPbm3FKoJEiiBZIV3y1SWchhshw9CrxGWmbSq4YjNXqdD0GYqszPRNMOan9RC83OJeMcwkp1avlFicjcIz30uwzBSqwtlDdyqYwUYC2M8isa3tOnIHsX7JLwkRLtNyiygakMfshwm64VocI/.../4jvhAUkPXjW ypFn4LOYjD3AgKIyuh0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEh74comb9bp0uHf1 2Jzz9oGLUTlYLn7NDC2w15KdDrYCeLkErM90btixsSaAh6avCX6BlSo 2m0yP/WpMufyD0f/tJzkV4BXnWtGGcswNEivSH4UHGbRK5Xi83iPSVHMe0gJFsFNqXlXnx8e8jcLVgoj6v2UX9xao6r2 w TWO8uEiZw6M4UdCve4GkbHtO3sC5D JnlRwV55qp1Bu4Mvs80m76EcQe5Ma4SWuq88DSwTFyJekEBtF/.../qFJ8YCuQ5y1KgYaCZCfqWxSV3eh0JA==

http://spark-browser.ar.joydownload.com/get_azure_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxLzY9bB9qNnrz7j8CotjJhbb1XsK7H NWHjg0ZTcWmLEfvgQetjnP4j1s3eDQqb7XqwTB 17Wm00v/.../iVLqLeok1XfJXpYDt5PkBCe17MDEz24 Mv4WV49 M3wpoqT SQhqzRy23c9GES7jAQjhqNnuwQU3aC2Y7D9Wz9KQOnGiV0DcjOh0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXGwj 8XPavWwllklUyNSrkWEmwO7OO7L1vuTq5/DQtmo9bb1myIO7uNDC2w15KcjrYCeLkErA90bFmx8WbFQfS9SzyHh u7Gm0yP/TpMvalXFA4p8yiUcGEGSsSTR0ntEo7CC5UGCTUvoFnNXqdD0BYqswLRoNNKrlXTl1fsTccER 2PSmAC1mcob4w w0Cnux8VDNlu0zR4C2M8ipZWMbhp/.../Mz4SXjquYPT2n1iPKsRB9t6eiphounkFxlrnFXpg89PSibgDU75pZD2kkdlZzCRqmFN19jXMXquQkPViPp0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv E8/yG6sGMxwdoEP0b1Y/j2PnO20gABcSPQSqDiWuklyPpqxcWXFU/Rrm2jERS15zz83rfDpZrSkmlZ4sxkkV4bXnesSTR2ntFvp3/oUSCTRrZOysXjNTACerJxJR4FIfq/FiM9LdzFfxEjiKDsFyAge4Ly2q4/.../dMi8LDENnZrSQLB6xklKqtah0gmsO hrwmTzEcQe5MSxUTmw54Ob2SYlbaRLQ4c P20o8 ikFwg410Ki3J5OESbzBAnhqNnuwQU3aC2Y7D9Wz9KQOnGiV0DcjOh0JA==

http://spark-browser.joydownload.com/get_azure_file/wUiS4WnYccXDyCf4UfO5CV530RJ0YyqsWxLzY9bB9qNnrz7j8CotjJhbb1XsK7H6NWHpiBQBcDaeELCtGbE2xrBjzceaAQfS9SzyHh u7Gm0yP/TpMvalXFA4p8ziUcEDSK1AX1/ksk7/Cn4WGScUrcfwsPrJWFeNOwgJFsFMav9RDk/KYyVSUZ70viwTWF7JNqjhbh3EDzy50jE3/.../8ik2UrzLaBwnT6uBcxe6NWwAHPvuYPGxXB0MvRRTsc3OnUxseOjDxEihBW6xZ4dRz7qXwfyqNnuxQU3YTHWsyke2tPBdyv2ER6ay h0JA==

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