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ytab_setup.exe

Julian Pankratov

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 Julian Pankratov 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. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Julian Pankratov  (signed and verified)

MD5:
17245b603989ef1b1f2cf3d2f0fca5c3

SHA-1:
6251fc763b57f1ffc4ef7efb95e177bf180b212f

SHA-256:
48a3df37d97441dcd16f54f4e2e366737da0f79550798c5f1b753634165990c5

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:
4/23/2024 1:15:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.9.22

File size:
1.3 MB (1,380,568 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

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

Digital Signature
Signed by:
Julian Pankratov

Authority:
COMODO CA Limited

Valid from:
10/14/2013 7:00:00 AM

Valid to:
10/15/2014 6:59:59 AM

Subject:
CN=Julian Pankratov, O=Julian Pankratov, STREET=Gagarіna 11, L=Kiev, S=Kiev, PostalCode=02094, C=UA

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

Serial number:
00D14C8CC7422B7B416198EEB359191765

File PE Metadata
Compilation timestamp:
9/29/2013 8:08:03 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0xF3AB

Entry point:
E8, C1, 40, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 38, 7F, 42, 00, E8, 4F, 2A, 00, 00, E8, 8E, 42, 00, 00, 0F, B7, F0, 6A, 02, E8, 54, 40, 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, 36, 21, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
130.5 KB (133,632 bytes)

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=625352082&publisher_id=253&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1876056246&external_id=0&session_id=3752112492&hardware_id=4377464574&installer_file_name=ytab_setup

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