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winrar_tsa38ywzb.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 winrar_tsa38ywzb.exe by ClientConnect has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Perion Download Manager installer. With this installer, users are expecting to download WinRAR archiver but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
ClientConnect LTD  (signed and verified)

MD5:
b4b5c9bccc22e4791c16aa73af80af3e

SHA-1:
317bff2ee09bb30b4355e8fb626310854fbde2c3

SHA-256:
22539932d0736718d08d851d2af268d71ba6aa0f22bbf72842932dd2a4adbffa

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/27/2024 12:49:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Perion.Bundler (M)
17.3.5.15

File size:
715.2 KB (732,336 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\winrar_tsa38ywzb.exe

Digital Signature
Signed by:
ClientConnect LTD

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 12:00:00 AM

Valid to:
2/5/2016 11:59:59 PM

Subject:
CN=ClientConnect LTD, OU=Digital ID Class 3 - Microsoft Software Validation v2, OU=DM2, O=ClientConnect LTD, L=Ness Ziona, S=Israel, C=IL

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:
41F2089F74119A9424A811A0F468F781

File PE Metadata
Compilation timestamp:
2/24/2012 7:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

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:
7.9668

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file winrar_tsa38ywzb.exe has been seen being distributed by the following URL.

http://s.ddirectdownload-about.com/74/812/ct8123874/1bf81bd324b246daa85029f5d01e5a7e/Downloads/Prod/DDE1.4.0.5.150121.02/.../WinRAR.exe

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/618812872/618833995/?mainofferId=618809438&CurrentStep=2&TotalSteps=4&DownloadBrowser=IE&CType=-1&UserMode=-1&DMVersion=1.3.1.18.618832861.01&Language=US-EN

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