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skypemoticons.exe

Shlomo Dayan

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application skypemoticons.exe, “Installer for StarApp” by Shlomo Dayan has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. The setup program uses Web-Pick's InstalleRex download manager and installer to bundle potentially unwanted ad-supported software which includes toolbars and browser extensions through a pay-per-install monetization scheme.
Publisher:
StarApp  (signed by Shlomo Dayan)

Product:
StarApp

Description:
Installer for StarApp

Version:
2013.8.21.1505

MD5:
d78774a795a9e9e9a199bd698134d2b7

SHA-1:
12f30a5e4f1ed9a2b00e539939d64c329afe0d79

SHA-256:
8d4810fae1fa9aa9fa01b85deb03a8c44e2441008698b5e8b505d11be0819c18

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Uses the InstalleRex from WebPick Internet Holdings to install bundled add-ons including toolbars and other web browser extensions.

Analysis date:
5/10/2024 6:44:23 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.Agent
7.1.1

avast!
Win32:InstalleRex-Z [PUP]
2014.9-151029

Comodo Security
Application.Win32.Agent.W
18114

Dr.Web
Adware.Downware.1166
9.0.1.0302

herdProtect (fuzzy)
variant of vaudix.exe (Adware)
2015.10.29.5

K7 AntiVirus
Trojan
13.176.11777

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.1204

Malwarebytes
PUP.Optional.Installex
v2015.10.29.05

McAfee
PUP-FHQ!B4ED821218BF
5600.6598

NANO AntiVirus
Riskware.Win32.Agent.crfiyn
0.28.0.59288

Reason Heuristics
Adware.WebPick.Installer (M)
15.9.2.4

SUPERAntiSpyware
PUP.InstallRex/Variant
9541

File size:
294 KB (301,104 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)

Language:
Language Neutral

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

Digital Signature
Signed by:
Shlomo Dayan

Authority:
COMODO CA Limited

Valid from:
1/21/2013 6:00:00 PM

Valid to:
1/22/2014 5:59:59 PM

Subject:
CN=Shlomo Dayan, O=Shlomo Dayan, STREET=Smadar 45, L=Tel Aviv, S=center, PostalCode=67126, C=IL

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

Serial number:
413C7D68ADD60589106BCF7DC596FBBA

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):
6144:8rk56Y0JQBkQRl7174NpNUM+UHs+fgkrGtAh81chopFWQxVp1T4Zucw9:8rk563yRl1uqM+gs+wAhgqo3WQxqZNw9

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:
7.9577

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 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=28152372&publisher_id=815&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=84457116&external_id=0&session_id=168914232&hardware_id=197066604&installer_file_name=skypemoticons

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