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teamviewer_tsv3cvs0r.exe

ClientConnect LTD

The file belongs to the ClientConnect (Conduit/Perion) platform, a utility that bundles and monetizes search toolbars and browser add-ons. The application teamviewer_tsv3cvs0r.exe by ClientConnect has been detected as adware by 5 anti-malware scanners. The program is a setup application that uses the Perion Download Manager installer. The file has been seen being downloaded from dde.de.mirroring-contentfiles-k.com and multiple other hosts. While running, it connects to the Internet address cms.dmccint.com on port 80 using the HTTP protocol.
Publisher:
ClientConnect LTD  (signed and verified)

MD5:
74a29c9d43fa001747d3e764dbaef5d1

SHA-1:
f9cf03c2ee07a9163f39cbd76ee13f5e945c544b

SHA-256:
d8a7ac8634bfacd6783b2aab8d7e4e58489be8d8ab34166f1a33d8810df6efa7

Scanner detections:
5 / 68

Status:
Adware

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/5/2024 6:34:44 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
PUA.Win32.ClientConnect
4.0.3.14919

ESET NOD32
Win32/ClientConnect.A potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.ClientConnect
v2014.09.19.08

Reason Heuristics
PUP.ClientConnect.U
14.9.17.3

VIPRE Antivirus
Threat.4786236
33120

File size:
620.2 KB (635,112 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Perion Download Manager (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\teamviewer_tsv3cvs0r.exe

Digital Signature
Signed by:
ClientConnect LTD

Authority:
Symantec Corporation

Valid from:
9/15/2014 5:00:00 PM

Valid to:
9/17/2015 4:59:59 PM

Subject:
CN=ClientConnect LTD, OU=DM6, O=ClientConnect LTD, L=Ness Ziona, S=Israel, C=IL

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
12A6FD0B37B9C113F37D28954E635514

File PE Metadata
Compilation timestamp:
2/24/2012 11:19:59 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:REdURG+PUtG7w4UMnUNYtDLLAhSuehkMFP60oCnAH031uMbvI:RyURG+PHwmU8shS5aN0oV031n

Entry address:
0x39E3

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, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Entropy:
7.9579

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file teamviewer_tsv3cvs0r.exe has been seen being distributed by the following 3 URLs.

http://dde.de.mirroring-contentfiles-k.com/43/694/ct6942343/2cdb868d3e6b47308b6292c3004cc226/Downloads/Prod/DDE1.4.0.1_nc6.140910.01/.../TeamViewer.exe

http://2cdb868d3e6b47308b6292c3004cc226.download.dmccint.com/Default.ashx?EnvironmentID=1&PUID=1605757222872543718&PPD=search,44655785063,teamviewer,p,,c,TeamViewer,,,www.download-free-soft.net&FID=COTlkpW58MACFQYOwwod8UIA3A&InstallSessionID=1605757222872543718183917263&CID=11134

http://dm.dmccint.com//ThinDMDownload/ThinDMDownload.ashx?PublisherID=198&Setid=26&SoftwareName=TeamViewer&SoftwareDownloadUrl=http://downloads.safestdownloads.com/teamviewer.exe&ImageUrl=http://cdn.safestdownloads.com/resources/.../teamviewer_1.png&SoftwareDescription=TeamViewer - the All-In-One Software for Remote Support and Online Meetings.&PUID=1605757222872543718&PPD=search,44655785063,teamviewer,p,,c,TeamViewer,,,www.download-free-soft.net&FID=COTlkpW58MACFQYOwwod8UIA3A&InstallSessionID=1605757222872543718183917263&CID=11134

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to cms.dmccint.com  (23.67.242.80:80)

 
http://cms.dmccint.com/DynamicOffer/10315583/10336706/?mainofferId=10312149&CurrentStep=2&TotalSteps=4&DownloadBrowser=IE&CType=-1&UserMode=-1&DMVersion=1.3.0.03.10335572.01&Language=US-EN

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