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ytab_setup.exe

software

Eran Vaterfeld

The is the installer for the WebPick InstalleRex download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application ytab_setup.exe by Eran Vaterfeld 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 WebPick InstalleRex installer. The file has been seen being downloaded from getmeegan.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
to generous of  (signed by Eran Vaterfeld)

Product:
software

Version:
9.2.0.0

MD5:
bb5a1d9feebcd4bf41c84b162e168f83

SHA-1:
7bc90eb65e8df7b712a5bfb18240a2cab1d427d2

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:
12/26/2024 1:01:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.EranVaterfeld.Bundler (M)
16.2.17.11

File size:
879.2 KB (900,328 bytes)

Product version:
9.2.0.0

Copyright:
Copyright (c) 2014

Original file name:
a large

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Language:
English (United Kingdom)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\{random}.tmp\addons\ytab_setup.exe

Digital Signature
Signed by:
Eran Vaterfeld

Authority:
COMODO CA Limited

Valid from:
7/9/2013 5:00:00 PM

Valid to:
7/10/2014 4:59:59 PM

Subject:
CN=Eran Vaterfeld, O=Eran Vaterfeld, STREET=Shtruk 15, L=Tel Aviv, S=Tel Aviv, PostalCode=64042, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00CF0201F072612C73F4F11FE23420B802

File PE Metadata
Compilation timestamp:
6/9/2014 10:05:47 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:XUsZJXdCsPxeqQO2ZLydCWlqk6aTx9xgA4gAShqXI/6wAmgAm:bZ9dwed6k6woIASIYSwaAm

Entry address:
0x108FB

Entry point:
E8, BE, 4A, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 98, 21, 42, 00, E8, 9F, 21, 00, 00, E8, E0, 07, 00, 00, 0F, B7, F0, 6A, 02, E8, 51, 4A, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 10, 38, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.8432  (probably packed)

Code size:
102.5 KB (104,960 bytes)

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

http://getmeegan.info/?e=galio4&publisher=1751&country=ID&dd=5&cht=3&chtype=gpo&dcu=1&cpatch=2&dcs=1&pf=1&jc=1&ind=681737202428414992&exid=1402408877241643005&ssd=8897404063703378492&hid=15218848617023518865&osid=501&channel=0&sfx=1&category_name=GPO&install_date=20130610

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

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

TCP (HTTP):
Connects to c1.stylezip.info  (54.186.255.26:80)

 
http://c1.stylezip.info/?step_id=1&installer_id=71824012&publisher_id=182&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=215472036&external_id=0&session_id=430944072&hardware_id=502768084&installer_file_name=ytab_setup

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