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microsoft-silverlight-5.1.20913.0.exe

Microsoft Silverlight

Sevas-S LLC

The application microsoft-silverlight-5.1.20913.0.exe by Sevas-S has been detected as adware by 19 anti-malware scanners. This is a setup program which is used to install the application. According to AVG, this software downloads additional adware offers during setup. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from pl.joydownload.com and multiple other hosts.
Publisher:
Sevas-S LLC  (signed and verified)

Product:
Microsoft Silverlight

Version:
1.0.0.0

MD5:
6dd8af899bdf2ebf6dfcd5d495fb0568

SHA-1:
dc79d02e032cbd5f6b5d946d241d41b8902f8802

SHA-256:
4540d01815538c93154138a9206c70cf76eb9e160e419ee0f3897d59a6f63380

Scanner detections:
19 / 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 11:10:48 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Trojan.Heur.Du3@xW7dkShi
1082

Agnitum Outpost
Riskware.OpenCandy
7.1.1

AVG
Downloader
2015.0.3508

Bitdefender
Gen:Trojan.Heur.Du3@xW7dkShi
1.0.20.240

Dr.Web
Adware.Downware.1446
9.0.1.048

Emsisoft Anti-Malware
Gen:Trojan.Heur.Du3@xW7dkShi
8.14.02.17.02

ESET NOD32
Win32/JoyDownloader
8.9416

F-Secure
Gen:Trojan.Heur.Du3@xW7dkShi
11.2014-17-02_2

G Data
Gen:Trojan.Heur.Du3@xW7dkShi
14.2.24

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

Malwarebytes
PUP.Optional.OpenCandy
v2014.02.17.02

McAfee
Artemis!6DD8AF899BDF
5600.7164

MicroWorld eScan
Gen:Trojan.Heur.Du3@xW7dkShi
15.0.0.144

Reason Heuristics
PUP.SevasS.EE
14.8.7.20

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14215

Trend Micro House Call
ADW_OPENCANDY
7.2.48

Trend Micro
ADW_OPENCANDY
10.465.17

VIPRE Antivirus
Sevas-S Installer
28024

XVirus List
Win32.Detected
2.8.7

File size:
475.5 KB (486,872 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\microsoft-silverlight-5.1.20913.0.exe

Digital Signature
Signed by:
Sevas-S LLC

Authority:
VeriSign, Inc.

Valid from:
1/22/2013 9:00:00 PM

Valid to:
2/22/2014 8:59:59 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:
527471E53862E2F90AB45ED4ACB8F4C2

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:SaC/c4894n2vFhjs17FEUDTTup+Ts9PJYz5jtNcB+/TRfY4:0/e94SFhm7FjDHuzJYz5jtXTBY4

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...
 
[+]

Code size:
23.5 KB (24,064 bytes)

The file microsoft-silverlight-5.1.20913.0.exe has been seen being distributed by the following 5 URLs.

http://pl.joydownload.com/wi/CA5dl1my6_kdVKLCJ9Oujg/1397201375/1/3/1/.../microsoft-silverlight-5.1.20913.0.exe

http://pl.joydownload.com/wi/2yBeHNk6BJ1-3LC_7IZYig/1397616114/1/3/1/.../microsoft-silverlight-5.1.20913.0.exe

http://www.joydownload.com/wi/33d523d01b4f9dd8d9df7fd5d1925b66/1/3/1/.../microsoft-silverlight-5.1.20913.0.exe

http://pt.joydownload.com/wi/6c56e2c6a6528e4fffa4c63fcde7fcc2/1/3/1/.../microsoft-silverlight-5.1.20913.0.exe

http://pt.joydownload.com/wi/7c04c6c272e1df29ef92c4a4be19c5eb/1/3/1/.../microsoft-silverlight-5.1.20913.0.exe

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