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des.avi.exe

Artur Kozak

The installer which is distributed via file sharing sites such as TusFiles uses the 'download manager' which wraps the original file in a adware filled bundle. The application des.avi.exe, “Installer for WinterSoft” by Artur Kozak 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.getapplicationmy.info on port 80 using the HTTP protocol.
Publisher:
WinterSoft  (signed by Artur Kozak)

Product:
WinterSoft

Description:
Installer for WinterSoft

Version:
2013.10.31.1157

MD5:
926f162d2ff8ba3b994168fe2a00b33e

SHA-1:
51c6ca2d88d90700d04a4d5e853885f1b7199753

SHA-256:
8436d8891ec29f13ef755048d6b2e5bf07a4c008f388e10f4edb91e9da376f50

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This bunder users the InstalleRex from WebPick Internet Holdings to install add-ons such as web browser extensions, coupon plugins (WebSave) and toolbars distributed via the tusfiles.net download site.

Analysis date:
4/26/2024 7:42:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
17.3.13.19

File size:
318.6 KB (326,248 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2013 WinterSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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

Digital Signature
Signed by:
Artur Kozak

Authority:
COMODO CA Limited

Valid from:
8/22/2013 3:00:00 AM

Valid to:
8/23/2014 2:59:59 AM

Subject:
CN=Artur Kozak, O=Artur Kozak, STREET=Parkovaya 19, L=Kyiv, S=Kyiv, PostalCode=04078, C=UA

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

Serial number:
00E03731FB48F020DDF5953B6498B83BC6

File PE Metadata
Compilation timestamp:
3/12/2013 10:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

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:
7.9493

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://zilliontoolkitusa.info/v500?product_name=Des.avi&filesize=556310016&product_title=Des.avi&installer_file_name=Des.avi&product_file_name=Des.avi&product_download_url=http://p2.extabit.com/.../Des.avi

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

TCP (HTTP):
Connects to r1.getapplicationmy.info  (54.201.215.30:80)

TCP (HTTP):
Connects to c1.getapplicationmy.info  (54.201.215.30:80)

 
http://c1.getapplicationmy.info/?step_id=1&installer_id=631032775&publisher_id=310&source_id=0&page_id=0&affiliate_id=0&country_code=ES&locale=EN&browser_id=2&download_id=631632780&external_id=631062865

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