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pcsm_setup.exe

maintaining that

Sergiy Maratov

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 pcsm_setup.exe by Sergiy Maratov 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:
databases  (signed by Sergiy Maratov)

Product:
maintaining that

Version:
0.5.0.0

MD5:
57de7ec58e0ce96c562ceb73c804f86d

SHA-1:
9dc1566dcad58f5c3a3863408265a5583ef47dcf

SHA-256:
11649646cd901461e0c6129d2bc79706773e2f4bbe80e6dd52c2e25b2babe256

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:
5/12/2024 9:51:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.11.21

File size:
1.9 MB (1,995,752 bytes)

Product version:
0.5.0.0

Copyright:
Copyright (c) 2014

Original file name:
and often Retrieval hoc

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Language:
English (United Kingdom)

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

Digital Signature
Signed by:
Sergiy Maratov

Authority:
Unizeto Technologies S.A.

Valid from:
6/24/2014 2:43:54 AM

Valid to:
6/24/2015 2:43:54 AM

Subject:
E=SergiyIvanovich@hotmail.com, CN=Sergiy Maratov, O=Sergiy Maratov, C=RU

Issuer:
CN=Certum Code Signing CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
774A5B60838D600A3706CAB0BC5A6286

File PE Metadata
Compilation timestamp:
7/12/2014 9:12:37 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x1860B

Entry point:
E8, 87, 7C, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 50, DE, 42, 00, E8, 6F, 0D, 00, 00, E8, A2, 03, 00, 00, 0F, B7, F0, 6A, 02, E8, 1A, 7C, 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, C3, 45, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.9243  (probably packed)

Code size:
139.5 KB (142,848 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=628250492&publisher_id=282&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1884751476&external_id=0&session_id=3769502952&hardware_id=4397753444&installer_file_name=pcsm_setup

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