browsecoupon_setup.exe

Kiril Klimko

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 browsecoupon_setup.exe by Kiril Klimko 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:
Kiril Klimko  (signed and verified)

MD5:
5e499e65b3d2a8e4c3460eaebb442627

SHA-1:
fcafd3e0942ce42758bf1edbca43d9985d86b557

SHA-256:
1e27a75b3870d450183bf67f31c27c62b28f9af6ea2d6837697fc4333b9c150c

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:
4/18/2024 3:33:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.KirilKlimko.Bundler (M)
16.2.9.20

File size:
660.9 KB (676,744 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
9/3/2013 7:00:00 AM

Valid to:
9/4/2014 6:59:59 AM

Subject:
CN=Kiril Klimko, O=Kiril Klimko, STREET=Perova 21, L=Kiev, S=Kiev, PostalCode=02125, C=UA

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

Serial number:
4F8445DA07CAF9C24D869920925BA182

File PE Metadata
Compilation timestamp:
3/3/2014 7:30:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
12288:uWulYeq0YfZp98dcoSUHpWp4dVyFMGoQaDBA2hp+P9pbhpMx11Q2s+NWiBs:u9lYzZp98dSUkp4CeG+A23+PLb3MxjRk

Entry address:
0x109DB

Entry point:
E8, 4E, 4A, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, E0, 21, 42, 00, E8, 2F, 21, 00, 00, E8, E0, 07, 00, 00, 0F, B7, F0, 6A, 02, E8, E1, 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, A0, 37, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.7681  (probably packed)

Code size:
103 KB (105,472 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=64188204&publisher_id=418&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=192564612&external_id=0&session_id=385129224&hardware_id=449317428&installer_file_name=browsecoupon_setup

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