» ysinswcs.exe
Overview
Analysis
File Details
Network (1)

ysinswcs.exe

Moshe Caspi

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 file ysinswcs.exe, “Installer for StarApp” by Moshe Caspi 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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.

File name:

ysinswcs.exe

Publisher:

StarApp (signed by Moshe Caspi)

Product:

StarApp

Description:

Installer for StarApp

Version:

2013.7.18.1914

MD5:

63c98698a1ab47aeb21ce9bb8dc90f78

SHA-1:

d53c240aa81df24325eaac636c6aec3e6b2c3a12

SHA-256:

525982c14de46783940305419b8f718997fac7c142bdfd00ebfec3d933e3357c

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:

4/20/2024 2:29:29 AM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

PUP.WebPick.MosheCaspi.Installer (M)

16.2.15.17

File size:

311 KB (318,472 bytes)

Product version:

1.0.0.1

Original file name:

TSULoader.exe

Installer:

WebPick InstalleRex (Tarma)

Common path:

C:\users\{user}\appdata\local\temp\ysinswcs.exe.part

Digital Signature

Signed by:

Moshe Caspi

Authority:

COMODO CA Limited

Valid from:

8/1/2012 7:00:00 PM

Valid to:

8/2/2013 6:59:59 PM

Subject:

CN=Moshe Caspi, O=Moshe Caspi, STREET=Hashuk 39, L=Tel Aviv, S=Israel, PostalCode=66067, C=IL

Issuer:

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

Serial number:

00B1B859272556EC39AF8F0E4A626C2ADC

File PE Metadata

Compilation timestamp:

3/12/2013 2:51:45 AM

OS version:

4.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

8.0

CTPH (ssdeep):

6144:7rwz6Y0JQBkQRl7174NpNUM+UHs+ku6zbJFVaFZyv5JQwo+Yl+/1:7rs63yRl1uqM+gs+f6zb/gX8v1

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 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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