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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 which inject ads in the browser. 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:
2012.2.22.1652

MD5:
94d3437993506b4bb8388e6101266bb1

SHA-1:
22962687686577022aad4e3c46608828521ae829

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:
4/19/2024 9:19:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.14.4

File size:
252.1 KB (258,112 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:\Documents and Settings\{user}\My documents\downloads\fastdownload.exe

Digital Signature
Signed by:
Artua Vladislav

Authority:
The USERTRUST Network

Valid from:
3/14/2011 6:00:00 PM

Valid to:
3/14/2012 5:59:59 PM

Subject:
CN=Artua Vladislav, O=Artua Vladislav, STREET=haRav Dangur 22, L=Bnei Braq, S=Israel, PostalCode=51281, C=IL

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
302242B18FB354EA399140DBBA22B786

File PE Metadata
Compilation timestamp:
2/4/2012 10:25:26 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, 22, FF, 15, 5C, 30, 40, 00, 50, 68, A0, 32, 40, 00, E8, 86, FB, FF, FF, 59, 59, C7, 05, 0C, 44, 40, 00, FF, 00, 00, 00, E9, F7, 01, 00, 00, 56, FF, 15, 58, 30, 40, 00, 8B, 48, 3C, 03, C8, 66, 81, 38, 4D, 5A, 0F, 85, BC, 01, 00, 00, 81...
 
[+]

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.

http://premiumsafe.info/.../

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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