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setupytb.exe

and modern

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 setupytb.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. It is also typically executed from the user's temporary directory. 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:
RAID DBMSs  (signed by Eran Vaterfeld)

Product:
and modern

Version:
1.1.0.0

MD5:
da3c178e68e6b2aaf87eeb948b2ba95a

SHA-1:
aee0dbb403e98c532c9217e7806221126582d9f3

SHA-256:
52c0ee65bae88e55ee1ce0e4cc24a06159affed27092092565a6c46172d33dbc

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:
1/13/2025 9:03:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.EranVate.Bundler (M)
16.4.18.14

File size:
1.8 MB (1,841,384 bytes)

Product version:
1.1.0.0

Copyright:
Copyright (c) 2014

Original file name:
to

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\addons\setupytb.exe

Digital Signature
Signed by:
Eran Vaterfeld

Authority:
COMODO CA Limited

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

Valid to:
7/10/2014 8:59:59 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:
6/3/2014 1:02:23 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
49152:9Zt65/7ed0zgMMF4QggmKFamtsLyZvuju:Q5/lgMa4QbaAsLkm6

Entry address:
0x108BB

Entry point:
E8, CE, 49, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, E8, 20, 42, 00, E8, AF, 20, 00, 00, E8, E0, 07, 00, 00, 0F, B7, F0, 6A, 02, E8, 61, 49, 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, 20, 37, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
102.5 KB (104,960 bytes)

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

http://getmeegan.info/?e=ytr&publisher=3058&country=AR&prv=YoutubeAdblocker&ind=5761457497187466555&exid=1401845456887709470&ssd=17494637172790130168&hid=16175159940082889438&osid=601&channel=0&sfx=1&jc=1&category_name=YoutubeAdblocker&install_date=20130603

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=132971898&publisher_id=329&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=398915694&external_id=0&session_id=797831388&hardware_id=930803286&installer_file_name=setupytb

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