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. The file has been seen being downloaded from premiumsafe.info. 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:
2012.4.24.1237

MD5:
1dcc59be532ca49d23c3b0b5519dab09

SHA-1:
0867ae01586f79cc8852f7df6bdd6ba6f80ea540

SHA-256:
0ff4418a49578514ad66a5863363cc75fcad2dcb31858b6ddb2538f6ca65cee1

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:
11/5/2024 11:12:38 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
16.7.27.23

File size:
283.6 KB (290,432 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:

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:
4/22/2012 9:12:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:AZacl1jKw5aw/ek2iySzAd174jAtp0/wWLWRAh8rlYKMRZP/SkajcAc9:AZaAjFaw/e3D73t6/wsWihgsDSq9

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 file fastdownload.exe has been seen being distributed by the following URL.

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=284455330&publisher_id=844&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=853365990&external_id=0&session_id=1706731980&hardware_id=1991187310&installer_file_name=fastdownload

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