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winsetupfromusb 0-2-2.exe

Sergey Petrov

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 winsetupfromusb 0-2-2.exe, “Installer for HostIt” by Sergey Petrov 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 zilliontoolkitusa.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
HostIt  (signed by Sergey Petrov)

Product:
HostIt

Description:
Installer for HostIt

Version:
2014.3.6.1511

MD5:
bad56ef3abf70687533a4cef81735b5e

SHA-1:
7e281466cda9dd258ebc3cb7f5a4002fdf2ed929

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:
4/23/2024 10:01:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.7.26.5

File size:
314.7 KB (322,264 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 HostIt

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\winsetupfromusb 0-2-2.exe

Digital Signature
Signed by:
Sergey Petrov

Authority:
COMODO CA Limited

Valid from:
8/21/2013 2:00:00 AM

Valid to:
8/22/2014 1:59:59 AM

Subject:
CN=Sergey Petrov, O=Sergey Petrov, STREET=Gaydara 13, L=Kyev, S=Kyev, PostalCode=01033, C=UA

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

Serial number:
0AD084E865D27CD546D21DB6EDF89D48

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:/ribUzkuvcBYC47l2xdtqsnixBzO7F3PfLwXZoBxBY27vI6wIkhC900mf:/r7kuveY3yUFbO+Sb5wIGY+

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file winsetupfromusb 0-2-2.exe has been seen being distributed by the following URL.

http://zilliontoolkitusa.info/v377?product_name=WinSetupFromUSB 0-2-2.exe&filesize=3.24 MB&product_title=DFH Download Manager&installer_file_name=WinSetupFromUSB 0-2-2&product_file_name=WinSetupFromUSB 0-2-2.exe&product_download_url=http://.../get.php?file=109e97af&m

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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