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download file.exe

Alexey Kurilenko

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 download file.exe, “Installer for Puresafe” by Alexey Kurilenko 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 welovecoupon.eu. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Puresafe  (signed by Alexey Kurilenko)

Product:
Puresafe

Description:
Installer for Puresafe

Version:
2014.3.26.1709

MD5:
35a3c9159ba9d99a6fde8571fcf99edf

SHA-1:
ac187b8be02dcbb1d559f2cf896d45b7e61017c7

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:
4/24/2024 7:08:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.7.30.17

File size:
316.1 KB (323,680 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 Puresafe

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\download file.exe

Digital Signature
Signed by:
Alexey Kurilenko

Authority:
COMODO CA Limited

Valid from:
7/19/2013 8:00:00 AM

Valid to:
7/20/2014 7:59:59 AM

Subject:
CN=Alexey Kurilenko, O=Alexey Kurilenko, STREET="Str. Sums'ka, 28", L=Kharkiv, S=Kharkivska, PostalCode=61057, C=UA

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

Serial number:
00EC26735E2AD490D07645FA7A606FA1EE

File PE Metadata
Compilation timestamp:
3/12/2013 4:51:45 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Kr+bUzkuvcBYC47l2xUa0nvmas+8gGxvzbLxS8YXsypuewKmif:KrXkuveY3z+U83tbLpmsgh/f

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...
 
[+]

Entropy:
7.9546

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://welovecoupon.eu/v388?installer_file_name=Download file

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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