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teamviewer_setup.exe

TeamViewer

Sevas-S LLC

The application teamviewer_setup.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:
TeamViewer

Version:
1.0.0.0

MD5:
96dd6a49253683951f2305a94422b2ff

SHA-1:
f4ee12e638ccebb1506f016c876fac87d53b6546

SHA-256:
9ef04d76dd57fc1fd0f78a8859b8bf8ced459da91d6b7be84e0d73e869bd3a33

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:
4/27/2024 4:01:45 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.OpenCandy
7.1.1

AVG
Downloader
2015.0.3495

Dr.Web
Adware.Downware.1446
9.0.1.0114

ESET NOD32
Win32/JoyDownloader
8.9704

K7 AntiVirus
Unwanted-Program
13.176.11833

Malwarebytes
PUP.Optional.OpenCandy
v2014.04.24.10

McAfee
Artemis!96DD6A492536
5600.7151

Reason Heuristics
PUP.Installer.SevasS.Q
14.8.7.20

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14422

VIPRE Antivirus
Sevas-S Installer
28484

File size:
475.4 KB (486,792 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Sevas-S LLC

Authority:
VeriSign, Inc.

Valid from:
2/23/2014 7:00:00 AM

Valid to:
3/26/2015 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:
4B35AC223F4DB03D3B4C5368983A4B53

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:YaC75vFhjs17FEUDTTup+Ts9PJYz5jtNcB+/TRfYu:W7dFhm7FjDHuzJYz5jtXTBYu

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:
7.8581

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file teamviewer_setup.exe has been seen being distributed by the following 5 URLs.

http://www.joydownload.com/wi/qGuNVY2s4QqGtlfRpIS40A/1399040285/1/3/1/.../TeamViewer_Setup.exe

http://pt.joydownload.com/wi/Prh-m1yP5HmAiS0NbtmTEQ/1399280325/1/3/1/.../TeamViewer_Setup.exe

http://www.joydownload.com/wi/Jv6ZYOFC7_aF0jlaCiTY_g/1399683707/1/3/1/.../TeamViewer_Setup.exe

http://pt.joydownload.com/wi/vuDUTyR_8M1tTp5LaRo31g/1398742068/1/3/1/.../TeamViewer_Setup.exe

http://www.joydownload.com/wi/mODOowKFkbps0-SMQqZFGA/1399559169/1/3/1/.../TeamViewer_Setup.exe

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