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download.exe

Yakov Cohen

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.exe, “Installer for StarApp” by Yakov Cohen 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 applicationsforeveryy.asia. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
StarApp  (signed by Yakov Cohen)

Product:
StarApp

Description:
Installer for StarApp

Version:
2013.7.4.1638

MD5:
8b837212a1e9020cced8e087ec3014f4

SHA-1:
039f3dd3a2f37a13ac152c0b41d34c01252ad3f9

SHA-256:
71ed68ddb126447f4d4c8e4dae0b39081f2b0bd2c979cd8fe6f8d375436cd07d

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:
4/25/2024 7:24:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.8.3.12

File size:
292.3 KB (299,304 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2012 StarApp

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Digital Signature
Signed by:
Yakov Cohen

Authority:
COMODO CA Limited

Valid from:
8/2/2012 2:00:00 AM

Valid to:
8/3/2013 1:59:59 AM

Subject:
CN=Yakov Cohen, O=Yakov Cohen, STREET=Rodenski 10, L=Tel Aviv, S=Israel, PostalCode=69360, C=IL

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

Serial number:
009AF809F48BC879375BE578151D15C51C

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:9rk/9uEo2S1YnQmCX492DkwNP3qpYFYjwrShcFvViiyeVMPNuyloTaTuEGP:9rk1u6/eIo4+mhcF9iiyaMPNFlo53P

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...
 
[+]

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.

http://applicationsforeveryy.asia/v878?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

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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