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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 which inject ads in the browser. The application skypemoticons.exe, “Installer for WorldAppIt” by Vadim Travkin has been detected as adware by 24 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:
WorldAppIt  (signed by Vadim Travkin)

Product:
WorldAppIt

Description:
Installer for WorldAppIt

Version:
2014.6.17.1818

MD5:
dea9c1fc0a724fedcbf51f99743e0260

SHA-1:
939d1a104fe5a4ec48afbc3e9c50eac86edbf4b5

SHA-256:
92dcad6c662aa6c9827bccdebc8f349988733a427781f5774512e997f18f3e6e

Scanner detections:
24 / 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:
4/20/2024 1:30:32 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.07.17

Avira AntiVirus
TR/Kazy.324119.28
7.11.162.16

avast!
Win32:InstalleRex-BG [PUP]
140617-1

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Trojan.Installerex-60
0.98/19185

Comodo Security
Application.Win32.InstalleRex.KG
18876

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
7.0.302.0

G Data
Win32.Application.InstalleRex
14.7.24

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.180.12758

Kaspersky
Trojan.Win32.AntiFW
15.0.0.494

Malwarebytes
PUP.Optional.Installrex
v2014.07.17.07

McAfee
PUP-FHQ
5600.7067

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.2.60881

Panda Antivirus
PUP/TSUploader
14.07.17.07

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
7.14.14.00

Reason Heuristics
Adware.WebPick.Installer.N
14.7.17.7

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
31208

Zillya! Antivirus
Trojan.AntiFW.Win32.339
2.0.0.1860

File size:
314.9 KB (322,480 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 WorldAppIt

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:
8/21/2013 3:00:00 AM

Valid to:
8/22/2014 2:59:59 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 10:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Lr9bUzkuvcBYC47l2xjWM4ZZU4An9U+WTASrX:Lr+kuveY3mWZW4An9U7TASrX

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:
7.9508

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 communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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