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net-framework-4.5.1 final.exe

Microsoft .NET Framework

Sevas-S LLC

The application net-framework-4.5.1 final.exe by Sevas-S has been detected as adware by 16 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from www.joydownload.com.
Publisher:
Sevas-S LLC  (signed and verified)

Product:
Microsoft .NET Framework

Version:
1.0.0.0

MD5:
649ba1697d6753d6eff0d135672d38c0

SHA-1:
aa6bcc3de77881333f37e5ceb6058b6d08ad21a4

SHA-256:
bdf98e1ba142210bc648bc4bdde8a87de3477df60db3f514d5b69d93908878d4

Scanner detections:
16 / 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 10:34:49 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Trojan.Heur.Du3@xmwDbQfi
1046

AVG
Downloader
2015.0.3524

Bitdefender
Gen:Trojan.Heur.Du3@xmwDbQfi
1.0.20.425

Dr.Web
Adware.Downware.1446
9.0.1.085

Emsisoft Anti-Malware
Gen:Trojan.Heur.Du3@xmwDbQfi
8.14.03.26.03

ESET NOD32
Win32/JoyDownloader
8.9540

F-Secure
Gen:Trojan.Heur.Du3@xmwDbQfi
11.2014-26-03_4

G Data
Gen:Trojan.Heur.Du3@xmwDbQfi
14.3.24

Malwarebytes
PUP.Optional.OpenCandy
v2014.03.26.03

McAfee
Artemis!649BA1697D67
5600.7180

MicroWorld eScan
Gen:Trojan.Heur.Du3@xmwDbQfi
15.0.0.255

Reason Heuristics
PUP.SevasS.X
14.8.7.20

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14324

Trend Micro House Call
TROJ_GEN.F47V1214
7.2.85

VIPRE Antivirus
Sevas-S Installer
27358

XVirus List
Win32.Detected
2.8.7

File size:
475.4 KB (486,856 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\net-framework-4.5.1 final.exe

Digital Signature
Signed by:
Sevas-S LLC

Authority:
VeriSign, Inc.

Valid from:
1/23/2013 3:00:00 AM

Valid to:
2/23/2014 2:59:59 AM

Subject:
CN=Sevas-S LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Sevas-S LLC, L=Kyiv, S=Kyivska oblast, C=UA

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:
527471E53862E2F90AB45ED4ACB8F4C2

File PE Metadata
Compilation timestamp:
5/20/2013 2:52:54 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:oaC3UarvFhjs17FEUDTTup+Ts9PJYz5jtNcB+/TRfYC:m3UYFhm7FjDHuzJYz5jtXTBYC

Entry address:
0x31B1

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, D8, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 34, 71, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, 58, 92, 42, 00, E8, 90, 2E, 00, 00, A3, A4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 58, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, C0, 92, 40, 00, 68, A0, 81, 42, 00, E8, FB, 2A, 00, 00, FF, 15, 38, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, E9, 2A, 00, 00...
 
[+]

Entropy:
7.8268

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://www.joydownload.com/wi/1/3/1/.../net-framework-4.5.1 Final.exe

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