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64bit_win7_win8_win81_r273.exe

Realtek High Definition Audio Driver

Sevas-S LLC

The application 64bit_win7_win8_win81_r273.exe by Sevas-S has been detected as adware by 15 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:
Realtek High Definition Audio Driver

Version:
1.0.0.0

MD5:
0f9fd284cbc9f626922e8131b4d7466d

SHA-1:
e8ce0339158264e74a6c720e2d3061d809dc7e27

SHA-256:
a9e250370aeb6d0b7a2c46d98f684a35b303bfeafaa555f00c873c667d1f28b1

Scanner detections:
15 / 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:
11/25/2024 8:24:09 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.OpenCandy
7.1.1

AVG
Downloader
2015.0.3508

Comodo Security
Application.Win32.OpenCandy.~WD
17725

Dr.Web
Adware.Downware.1446
9.0.1.041

ESET NOD32
Win32/JoyDownloader
8.9377

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.4037

Malwarebytes
PUP.Optional.OpenCandy
v2014.02.10.10

McAfee
Artemis!0F9FD284CBC9
5600.7164

Qihoo 360 Security
HEUR/Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.SevasS.AA
14.8.7.20

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14208

Sophos
Generic PUA OI
4.98

Trend Micro House Call
ADW_OPENCANDY
7.2.41

Trend Micro
ADW_OPENCANDY
10.465.10

VIPRE Antivirus
Sevas-S Installer
28110

File size:
494.9 KB (506,824 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\64bit_win7_win8_win81_r273.exe

Digital Signature
Signed by:
Sevas-S LLC

Authority:
VeriSign, Inc.

Valid from:
1/23/2013 7:00:00 AM

Valid to:
2/23/2014 6:59:59 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 6:52:54 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:caCrasY8utvFhjs17FEUDTTup+Ts9PJYz5jtNcB+/TRfYa:ardnUFhm7FjDHuzJYz5jtXTBYa

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file 64bit_win7_win8_win81_r273.exe has been seen being distributed by the following 6 URLs.

http://www.joydownload.com/wi/wFf9uu7tWaEBbIs7qMcSaw/1395818584/1/3/1/.../64bit_Win7_Win8_Win81_R273.exe

http://ru.joydownload.com/wi/e3wl7WAnAVYCjndxD1m86A/1396232105/1/3/1/.../64bit_Win7_Win8_Win81_R273.exe

http://www.joydownload.com/wi/dYHZM8obPqcagzLW8PnPcg/1395513330/1/3/1/.../64bit_Win7_Win8_Win81_R273.exe

http://www.joydownload.com/wi/u8BRQKBcxr4-452ekVbA0Q/1397568720/1/3/1/.../64bit_Win7_Win8_Win81_R273.exe

http://www.joydownload.com/wi/2a229fa24c5f94b16cc9a16c76a88986/1/3/1/.../64bit_Win7_Win8_Win81_R273.exe

http://ru.joydownload.com/wi/414e80a7374088b8e19aff69fd020e4f/1/3/1/.../64bit_Win7_Win8_Win81_R273.exe

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