download.exe

Moshe Karaso

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 SoftSafe” by Moshe Karaso 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 softwarethebest.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
SoftSafe  (signed by Moshe Karaso)

Product:
SoftSafe

Description:
Installer for SoftSafe

Version:
2013.2.20.1100

MD5:
ba14deac89027dcda0cfa0e1e885eb44

SHA-1:
9f21441bf4dadd915eb8bfacb17099a57d79dc4e

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 2:30:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.7.16.14

File size:
280.1 KB (286,864 bytes)

Product version:
1.0

Copyright:
Copyright © 2012 SoftSafe

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\Documents and Settings\{user}\My documents\downloads\download.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
11/15/2012 12:00:00 AM

Valid to:
11/15/2013 11:59:59 PM

Subject:
CN=Moshe Karaso, O=Moshe Karaso, STREET=Nahum 19, L=Ramat Gan, S=center, PostalCode=52233, C=IL

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

Serial number:
55036D3C9B5C690240A409061736347F

File PE Metadata
Compilation timestamp:
2/4/2013 9:49:08 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:2r+0I5RxWBDg7V0eXze6OvA48eEyUWvn9SS8LOJiLoAfP:2r+0I3sBDJejgPPjUW/9SS86Fk

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:
7.9557

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=262885736&publisher_id=628&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=788657208&external_id=0&session_id=1577314416&hardware_id=1840200152&installer_file_name=download

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