newtab_setup.exe

Ostap Laponov

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application newtab_setup.exe by Ostap Laponov 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:
Ostap Laponov  (signed and verified)

MD5:
63b3310fca83fd806722b973ef8c781d

SHA-1:
0e8f4241876f70919942014b34be3e68286c7279

SHA-256:
8d35e633e570709a3b045ad9cd44f6610c2bccd120bc846c7a8f161ff8ca6152

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process.

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 3:02:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.OstapLaponov.Bundler (M)
16.2.11.14

File size:
1.5 MB (1,558,104 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
9/9/2013 2:00:00 AM

Valid to:
9/10/2014 1:59:59 AM

Subject:
CN=Ostap Laponov, O=Ostap Laponov, STREET=Minskаya 16, L=Kiev, S=Kiev, PostalCode=04078, C=UA

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

Serial number:
00EA64F94CDE70375038736C9F1C0960DF

File PE Metadata
Compilation timestamp:
12/2/2013 10:48:22 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:kxhJv/GZrY90SrVOvLJtDzr0nTYXtPKnNgNgB56VxQjU1epShXixv/MKPBMcRZUu:kfJ/GZMMJtDzwnTONKNgNgBnee24nMK9

Entry address:
0xF8F7

Entry point:
E8, 38, 3F, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 28, F0, 41, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 2C, F0, 41, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, DC, 07, 00, 00, 85, C0, 75, 06, B8, 90, F1, 41, 00, C3, 83, C0, 08, C3, E8, C9, 07, 00, 00, 85, C0, 75, 06, B8, 94, F1, 41, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Code size:
92.5 KB (94,720 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=65817946&publisher_id=581&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=197453838&external_id=0&session_id=394907676&hardware_id=460725622&installer_file_name=newtab_setup

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