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4.5.1.exe

.NET Framework

Sevas-S LLC

The application 4.5.1.exe by Sevas-S has been detected as adware by 10 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 and multiple other hosts.
Publisher:
Sevas-S LLC  (signed and verified)

Product:
.NET Framework

Version:
1.0.0.0

MD5:
b42cc1f7d0a28c4f95ff6eb04a087e34

SHA-1:
285f9e60cf08b01e82c9da0b43d1706f91312a81

SHA-256:
0135d5742ff7dd5bd980138d76e76915ca70d7f85d4b6b1d617bb296138e607b

Scanner detections:
10 / 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:
4/18/2024 11:38:17 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Downloader
2015.0.3508

Dr.Web
Adware.Downware.1446
9.0.1.0100

ESET NOD32
Win32/JoyDownloader
8.9591

Malwarebytes
PUP.Optional.OpenCandy
v2014.04.10.01

McAfee
Artemis!B42CC1F7D0A2
5600.7164

Qihoo 360 Security
HEUR/Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.SevasS.D
14.8.7.20

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14408

Trend Micro House Call
TROJ_GEN.F47V0324
7.2.100

VIPRE Antivirus
Sevas-S Installer
27728

File size:
494.9 KB (506,792 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\4.5.1.exe

Digital Signature
Signed by:
Sevas-S LLC

Authority:
VeriSign, Inc.

Valid from:
2/22/2014 7:00:00 PM

Valid to:
3/25/2015 7:59:59 PM

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:
4B35AC223F4DB03D3B4C5368983A4B53

File PE Metadata
Compilation timestamp:
5/19/2013 7:52:54 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:7aCeaLrvFhjs17FEUDTTup+Ts9PJYz5jtNcB+/TRfYr:leybFhm7FjDHuzJYz5jtXTBYr

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:
7.8345

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file 4.5.1.exe has been seen being distributed by the following 2 URLs.

http://www.joydownload.com/wi/8d1b69a720354de00874c93818170461/1/3/1/.../4.5.1.exe

http://pt.joydownload.com/wi/3ef2cd75e8e123915270bf7cc9ecd08b/1/3/1/.../4.5.1.exe

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