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appstudio-download-230836-.exe

AppStudio

Software Association LLC

The application appstudio-download-230836-.exe by Software Association has been detected as a potentially unwanted program by 14 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 appstudio.ar.joydownload.com and multiple other hosts.
Publisher:
Software Association LLC  (signed and verified)

Product:
AppStudio

Version:
1.0.0.0

MD5:
0ad90066c654398713cc16e4ad0c7257

SHA-1:
4f766907ae0aa63c14ccf52e2a20d833e2d254fb

SHA-256:
5ddcf9feb340c983984a9b6de9f63cb752ffa68d99b408500adb1fd26a6e5878

Scanner detections:
14 / 68

Status:
Potentially unwanted

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:
4/24/2024 1:34:32 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2015.05.07

AVG
OpenCandy
2016.0.3008

Clam AntiVirus
Win.Trojan.Agent-855157
0.98/21511

Dr.Web
Adware.Downware.9759
9.0.1.0236

ESET NOD32
Win32/OpenCandy.C potentially unsafe (variant)
9.11586

G Data
Win32.Adware.OpenCandy
15.8.25

K7 AntiVirus
Trojan
13.203.15826

Malwarebytes
PUP.Optional.OpenCandy
v2015.08.24.01

McAfee
Artemis!0AD90066C654
5600.6664

NANO AntiVirus
Riskware.Win32.Downware.dqybgj
0.30.24.1357

Reason Heuristics
PUP.OpenCandy.Installer (L)
15.8.24.1

Trend Micro House Call
TROJ_GEN.R047H05BQ15
7.2.236

VIPRE Antivirus
Trojan.Win32.Generic
40006

File size:
418 KB (428,064 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\appstudio-download-230836-.exe

Digital Signature
Signed by:
Software Association LLC

Authority:
DigiCert Inc

Valid from:
1/13/2015 3:00:00 AM

Valid to:
1/21/2016 3:00:00 PM

Subject:
CN=Software Association LLC, O=Software Association LLC, L=Dnepropetrovsk, S=Dnipropetrovs'ka Oblast', C=UA

Issuer:
CN=DigiCert SHA2 Assured ID Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0E1FC80B1C57AD69AA6F8D65D1CF90CF

File PE Metadata
Compilation timestamp:
5/20/2013 2:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Viu9nP3IyOyecxqXcpHfYraB+/s7rnKbCAittw:v9/WxEhfYBU7FA6tw

Entry address:
0x331C

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, 98, 92, 42, 00, E8, A8, 2E, 00, 00, A3, E4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 90, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, E0, 81, 42, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.7028

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file appstudio-download-230836-.exe has been seen being distributed by the following 4 URLs.

http://appstudio.ar.joydownload.com/get_azure_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjylHhz3aNrTs h152b0sC4rn8kFbk3hYqn9NnO8yF1KOSCGHeO1Tuprl wi1s3eDQ6b7Sj8Hk20sn 1maOI8ozKmiBBopU6kQQCFDXjT2osy959oWykBjzIFKFey8fpNDEadux6egoEcKX1XGggO9zFZRElhrOjS3hxJ8Kxw Z2BGuwoB6LjvQvDpO3YsO8ZDJW3MuvXrBwjRZM54n2zlL5bqBnw3XlQ5MMp4L5H2vi8JuZkD5xJ/.../kxdYHGS7rFA7ysZGnzQwvLDKd7HgfntPWOmCvQkLUgeh0JA==

http://appstudio.ar.joydownload.com/get_azure_file/wUiS4WnYccXBwj qXP7oQkEsnV0kOD kERHga5/ZtOM8/zGn4SgumpJLbxv1Y/j2NnmukRQYcSfJT7D4Cr50ybtq1pneFQfS9SjyHgGu5i/gzLbDpZrSkmlZ58xkkV4BXnCtGD98lMMh9znxGWmaSq4fkZPzPG4NabJxJR4FIfmoCi4qOtzFZREghrPjFjQuO4/.../9sVz2ouRnFnvV B5Ove4GkbXtOm4WvFqounhcH7Jr2zlL8ZLgjznDzEcQe5MS7SWu489HT3ml0PuleEdt6ZyN84ba6HxlhhhW2ysMRW3nzDU75pZD2kkdlZzCRqmFN19jXMnqpTUnfiv50JA==

http://appstudio.ar.joydownload.com/get_azure_file/wUiS4WnYccXEwj /TeqjC1c0kw48PjykGBrzY9/asOh152b0sC4rn8kFbk3hYqn9NnO8yF1KOSCGGOO1WOxj0bIjzsOXFQuW/.../Mz4SXDjocDQ2m9kIuIaGpY2enUhuvD4XghqzRy33c8DSnK1WUqwsZGnzQkvLCSb5D5Bn8vYc3iqT1PajOh0JA==

http://appstudio.ar.joydownload.com/get_azure_file/wUiS4WnYccXBwj pXP7oQlssmVx1NTqtCkexcteQv Q8/yKn/DwtjJgcJgTtabv2LSflgxQEYyrJWbW1E/Y9yrNylYbdREjUq3anHk20sn21maOO8o2N03FA4p8yiUdFUGSsSTR2ntFpp3/oUSCTRbZOz8DiPj4VY/o4KxIdZfarA2h0O8TNJhEw3eGkUWJgLNytzLlqSTfm7Qubgf1vBJq dt wOjkJzcr F 8ujUhdrdG/.../ZInOhRUHVgeh0JA==

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