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fastdownload.exe

Setup

Artua Vladislav

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions using the JustPlug.it browser framework. The application fastdownload.exe by Artua Vladislav 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 (Tarma) installer. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Premium  (signed by Artua Vladislav)

Product:
Setup

Description:
Installer

Version:
2012.5.1.1826

MD5:
e0a95a8ac86dd39c44fe3b0f9c25d63e

SHA-1:
13b181c79b48d8c07716815e3c0fa09af2878722

SHA-256:
153ade052599fd4b1971e73e2186158681fb71f7867c9e2080bd221d7e8e93d7

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, hosted on TusFiles.

Analysis date:
12/25/2024 12:29:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.15.5

File size:
282.7 KB (289,472 bytes)

Product version:
1.0

Copyright:
Copyright © 2010 Premium

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\downloads\fastdownload.exe

Digital Signature
Signed by:
Artua Vladislav

Authority:
COMODO CA Limited

Valid from:
2/21/2012 9:00:00 PM

Valid to:
2/21/2013 8:59:59 PM

Subject:
CN=Artua Vladislav, O=Artua Vladislav, STREET=HaRav Dangur 22, L=Bnei Braq, S=Israel, PostalCode=51282, C=IL

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

Serial number:
2E891F383001DD159332A0D089F55CE3

File PE Metadata
Compilation timestamp:
4/25/2012 7:55:16 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

Entry address:
0x14A3

Entry point:
55, 8B, EC, 81, EC, 24, 06, 00, 00, 53, 56, 33, F6, 57, 66, 89, B5, E4, FB, FF, FF, 89, 75, F4, 89, 75, FC, FF, 15, 68, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 64, 30, 40, 00, 89, 45, F8, 68, 04, 01, 00, 00, 8D, 85, DC, F9, FF, FF, 50, 56, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, BC, 32, 40, 00, E8, 82, FB, FF, FF, 59, C7, 05, 0C, 44, 40, 00, FD, 00, 00, 00, E9, 13, 02, 00, 00, 50, 68, 98, 32, 40, 00, E8, 67, FB, FF, FF, 59, 59, C7, 05, 0C, 44, 40, 00, FF, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 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=633081064&publisher_id=330&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1899243192&external_id=0&session_id=3798486384&hardware_id=4431567448&installer_file_name=fastdownload

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