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aajax font.exe

Setup

WEB PICK - INTERNET HOLDINGS LTD

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 aajax font.exe by WEB PICK - INTERNET HOLDINGS 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 www.premiumsave.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Premium  (signed by WEB PICK - INTERNET HOLDINGS LTD)

Product:
Setup

Description:
Installer

Version:
2012.2.16.2041

MD5:
83b267d32fef33b5a08877ede81b975f

SHA-1:
03858276b28c82401388e3d01c84cc601e80cb80

SHA-256:
625f4575cf05235faa3d4c8ca054f3aad774d1f73052df2ae24e52b114a4a81f

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:
12/26/2024 11:22:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.WEBPICKI.Installer (M)
16.7.4.22

File size:
250.6 KB (256,664 bytes)

Product version:
1.0

Copyright:
Copyright © 2010 Premium

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

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

Digital Signature
Signed by:
WEB PICK - INTERNET HOLDINGS LTD

Authority:
Thawte, Inc.

Valid from:
3/22/2011 7:00:00 PM

Valid to:
3/22/2012 6:59:59 PM

Subject:
CN=WEB PICK - INTERNET HOLDINGS LTD, O=WEB PICK - INTERNET HOLDINGS LTD, L=Ramat Hasharon, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
5EAC6DE3D7E9F2DD8E3EDA0B72C306CA

File PE Metadata
Compilation timestamp:
2/4/2012 11:25:26 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:JST7vS15CFJDv+CzqxXmbBrTqjEZA0t86IVAQklAiY/hZLK:JS328TPJqWPvIVLSAzbe

Entry address:
0x14A3

Entry point:
55, 8B, EC, 81, EC, 24, 06, 00, 00, 53, 56, 33, F6, 57, 66, 89, B5, E4, FB, FF, FF, 89, 75, F4, 89, 75, FC, FF, 15, 68, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 64, 30, 40, 00, 89, 45, F8, 68, 04, 01, 00, 00, 8D, 85, DC, F9, FF, FF, 50, 56, FF, 15, 60, 30, 40, 00, 85, C0, 75, 22, FF, 15, 5C, 30, 40, 00, 50, 68, A0, 32, 40, 00, E8, 86, FB, FF, FF, 59, 59, C7, 05, 0C, 44, 40, 00, FF, 00, 00, 00, E9, F7, 01, 00, 00, 56, FF, 15, 58, 30, 40, 00, 8B, 48, 3C, 03, C8, 66, 81, 38, 4D, 5A, 0F, 85, BC, 01, 00, 00, 81...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://www.premiumsave.info/v42/?product_name=Aajax Font&product_title=Aajax Font&installer_file_name=Aajax Font&product_file_name=Aajax.zip&product_download_url=http://.../archivos/zipTTF/Aajax.zip&product_image_url=http://.../instal_font.bmp&product_image_file_name=instal_font.bmp

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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