download.exe

Eli Dahan

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 download.exe, “Installer for SummerSoft” by Eli Dahan 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 iframe.yourfilesdatak.asia. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
SummerSoft  (signed by Eli Dahan)

Product:
SummerSoft

Description:
Installer for SummerSoft

Version:
2013.8.29.1517

MD5:
c098ffaa650c14156671114aa5af11a4

SHA-1:
e78f75d34ad1bdc4713ab15a7c8c3728347b5a67

SHA-256:
76de6b7a4222a813cd0877e94ae79333928195851b0cbdfb44436add42f2925b

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:
11/24/2024 3:35:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.4.13.21

File size:
296.3 KB (303,448 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2012 SummerSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
6/10/2013 7:00:00 AM

Valid to:
6/11/2014 6:59:59 AM

Subject:
CN=Eli Dahan, O=Eli Dahan, STREET=Halapid 3, L=Ramat Gan, S=Center, PostalCode=52573, C=IL

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

Serial number:
00864002C7281B93C1609931176B93A6AE

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:6rkI6Y0JQBkQRl7174NpNUM+UHs+1bL28uDrexqtreJA3/fkqnZr8uyaNPl7JCl:6rkI63yRl1uqM+gs+1+tPexUuA3/fBZq

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:
7.9598

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file download.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=128111462&publisher_id=281&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=384334386&external_id=0&session_id=768668772&hardware_id=896780234&installer_file_name=download

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