skypemoticons.exe

Vadim Travkin

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 skypemoticons.exe, “Installer for Excellent4App” by Vadim Travkin 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. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Excellent4App  (signed by Vadim Travkin)

Product:
Excellent4App

Description:
Installer for Excellent4App

Version:
2014.5.18.1727

MD5:
6e1d9f11ece8c9572cd1f8470b2cd0e8

SHA-1:
2fe0f6983cab15cab65e060bcbfdc0c9af61173e

SHA-256:
7d0b35c5e39c5c6e2cbd41a4759fb60dfa6afda862881738206df231c9836af6

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:
4/19/2024 7:06:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.2.8.0

File size:
314.9 KB (322,480 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 Excellent4App

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:

Authority:
COMODO CA Limited

Valid from:
8/21/2013 7:00:00 AM

Valid to:
8/22/2014 6:59:59 AM

Subject:
CN=Vadim Travkin, O=Vadim Travkin, STREET=Kutuzova 3, L=Kiev, S=Kiev, PostalCode=01011, C=UA

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

Serial number:
2C444E64B9B195CCD1B5F1BA8F0B2830

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:vr4bUzkuvcBYC47l2x9bpAJiqS1JDoU0/JleWvJ6AbJbkvIxBu4Ti3iQf:vr9kuveY3ImYZ15oU0/HtbJbkgXJGyQf

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:
7.9541

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=62447398&publisher_id=244&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=187342194&external_id=0&session_id=374684388&hardware_id=437131786&installer_file_name=skypemoticons

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