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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 12 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 www.joydownload.ru.
Publisher:
Sevas-S LLC  (signed and verified)

Product:
Realtek High Definition Audio Driver

Version:
1.0.0.0

MD5:
2b4002690db9a88fa18fcefe8f4750df

SHA-1:
df1e1c9b248f5cab8e1e910f0e044c20af6d2838

SHA-256:
15180122c91c88880264633ef52129b4687c742311a5a69760308198845a81a5

Scanner detections:
12 / 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 2:59:27 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.OpenCandy
7.1.1

AVG
Sevas
2015.0.3407

Comodo Security
Application.Win32.OpenCandy.~WD
18523

Dr.Web
Adware.Downware.1446
9.0.1.0202

ESET NOD32
Win32/JoyDownloader
8.9932

K7 AntiVirus
Unwanted-Program
13.1712374

NANO AntiVirus
Riskware.Win32.OpenCandy.cxlnia
0.28.0.60253

Reason Heuristics
PUP.SevasS.AA
14.8.7.20

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14719

Sophos
OpenCandy
4.98

Trend Micro House Call
TROJ_GEN.F47V0602
7.2.202

VIPRE Antivirus
Sevas-S Installer
30218

File size:
475.5 KB (486,912 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:
2/23/2014 4:00:00 AM

Valid to:
3/26/2015 3:59:59 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:
4B35AC223F4DB03D3B4C5368983A4B53

File PE Metadata
Compilation timestamp:
5/20/2013 3:52:54 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:iaCImLQvFhjs17FEUDTTup+Ts9PJYz5jtNcB+/TRfYm:EImLgFhm7FjDHuzJYz5jtXTBYm

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 URL.

http://www.joydownload.ru/wi/_va-b6b20JpmunW52TETTg/1401596920/5/3/1/.../64bit_Win7_Win8_Win81_R273.exe

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