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net framework 4.5.1.exe

Microsoft .NET Framework

Innovative Systems LLC

The application net framework 4.5.1.exe by Innovative Systems has been detected as adware by 21 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 dotnetframework.joydownload.com.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Microsoft .NET Framework

Version:
1.0.0.0

MD5:
f6b0021c57ca7a938f19183607ddbae9

SHA-1:
e11069f3306ee2c584382c051e9e17cd7cba05d0

SHA-256:
646f8033ca964aaf094696433b23bc408dd4485fa2894a1971bb98ca830d4ac5

Scanner detections:
21 / 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:
4/25/2024 8:39:27 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Trojan.Heur.Fu3@x0p7ombi
833

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.10.23

Avira AntiVirus
APPL/Downloader.Gen
7.11.180.204

AVG
OpenCandy
2015.0.3311

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.141025

Bitdefender
Gen:Trojan.Heur.Fu3@x0p7ombi
1.0.20.1490

Clam AntiVirus
Win.Trojan.Opencandy
0.98/19086

Dr.Web
Adware.OpenCandy.55
9.0.1.0298

Emsisoft Anti-Malware
Gen:Trojan.Heur.Fu3@x0p7ombi
8.14.10.25.08

ESET NOD32
Win32/JoyDownloader
8.10606

F-Secure
Gen:Trojan.Heur.Fu3@x0p7ombi
11.2014-25-10_7

G Data
Gen:Trojan.Heur.Fu3@x0p7ombi
14.10.24

IKARUS anti.virus
PUA.JoyDownloader
t3scan.1.7.5.0

K7 AntiVirus
Adware
13.183.13286

Malwarebytes
PUP.Optional.OpenCandy
v2014.10.25.08

McAfee
Artemis!2A2CC871B2C2
5600.6967

MicroWorld eScan
Gen:Trojan.Heur.Fu3@x0p7ombi
15.0.0.894

Reason Heuristics
PUP.InnovativeSystems.R
14.10.25.8

Trend Micro House Call
Suspici.218D75EB
7.2.298

VIPRE Antivirus
Threat.4791855
29708

File size:
496.5 KB (508,400 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\net framework 4.5.1.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:BQnZpA711zgVhR+L62CaqSKp5t26buEYU2IQ0qw8PvX4l/LX9TB:CZpWLUWMaqlLbhvRqXPvXmZl

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:
7.8450

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file net framework 4.5.1.exe has been seen being distributed by the following URL.

http://dotnetframework.joydownload.com/get_azure_file/wUiS4WnYccXBwj qXP7oQkEsnV0kPj2nGR7ga5/Zs kkuC2 yon2dBXJ0bjab/ PHq/wVZTcWmIEfvxQeli0bIjzsSeDR7vqmvoegSm5S741LeKvt3GlH1Kv8B41kdJF3ykACwzzZc79WjwXGmLQr5dy8TlJTxEYro4PUFWZ738FXB9ctzMIgkpz6vmGDR6O5f5kucyBHv96wSbw7gvFpn esSkfScDg5XoX/.../lSa0R4tP5YSxQnP7soOb2SYhZ7xREd1 eSNy aflQQhqzRyx0tdWR3OlWFi39di1mlpiYTCfqmFX19rZIjHxEVPW0fB Yk8=

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