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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 13 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:
Excellent4App  (signed by Vadim Travkin)

Product:
Excellent4App

Description:
Installer for Excellent4App

Version:
2014.5.18.1727

MD5:
c1d6f9bfb0570d2deb5ca334629d77e2

SHA-1:
75d62b60f1bda88cb47e76380792d4f285beffaf

SHA-256:
ed86e0e21ac35fd7b1114201335e6a5a3354d99d7dbf07cbea9f374120b334e2

Scanner detections:
13 / 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:
12/25/2024 6:52:29 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Kazy.324119
510

Agnitum Outpost
Trojan.AntiFW
7.1.1

Bitdefender
Gen:Variant.Kazy.324119
1.0.20.1275

Comodo Security
Application.Win32.InstalleRex.KG
18306

Emsisoft Anti-Malware
Gen:Variant.Kazy.324119
8.15.09.12.08

herdProtect (fuzzy)
variant of __speed your internet with selfishnet__.win 7,8,vista and xp free.exe (Adware)
2015.9.12.20

Kaspersky
Trojan.Win32.AntiFW
14.0.0.1436

Malwarebytes
PUP.Optional.Excellent4App
v2015.09.12.08

MicroWorld eScan
Gen:Variant.Kazy.324119
16.0.0.765

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.59921

Quick Heal
Trojan.AntiFW.A5
9.15.14.00

Reason Heuristics
Adware.WebPick.Installer (M)
15.8.6.5

VIPRE Antivirus
Threat.4150696
29396

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:
Vadim Travkin

Authority:
COMODO CA Limited

Valid from:
8/20/2013 8:00:00 PM

Valid to:
8/21/2014 7:59:59 PM

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 4:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:vr4bUzkuvcBYC47l2x9bpAJiqS1JDoU0/JleWvJ6AbJbkvIxBu4Ti3iQV:vr9kuveY3ImYZ15oU0/HtbJbkgXJGyQV

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 file skypemoticons.exe has been seen being distributed by the following URL.

http://skypemoticonscomplete.com/install.php?skype=1

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=26038630&publisher_id=603&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=78115890&external_id=0&session_id=156231780&hardware_id=182270410&installer_file_name=skypemoticons

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