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skypemoticons.exe

FreeWorldApp

This uses the software InstalleRex download manager which bundles a number of adware plugin and browser extensions and is distributed via TusFiles. The application skypemoticons.exe, “Installer for FreeWorldApp” has been detected as adware by 29 anti-malware scanners. The program is a setup application that uses the Tarma Installer installer, however the file is not signed with an authenticode signature from a trusted source. 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:
FreeWorldApp

Product:
FreeWorldApp

Description:
Installer for FreeWorldApp

Version:
2014.9.28.1126

MD5:
9bf1bae1bcf8155466a127418e221f30

SHA-1:
8d4da61451cfdac41983eab666e22b3f658e8399

SHA-256:
eb3055d1a589a7e8e60f26b79b83ee8225c7b934d64524c46ccca8b2573c40c2

Scanner detections:
29 / 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:
11/24/2024 3:50:53 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.EM
6085893

Agnitum Outpost
PUA.InstalleRex
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.12.09

Avira AntiVirus
APPL/Bundler.InstallRex.1.4
7.11.193.162

avast!
Win32:InstalleRex-DP [PUP]
141130-1

Bitdefender
Application.Bundler.EM
1.0.20.1710

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.6267

Comodo Security
Application.Win32.InstalleRex.KG
20303

Dr.Web
Threat.Undefined
9.0.1.05190

Emsisoft Anti-Malware
Application.Bundler.EM
9.0.0.4668

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/Generic.AC.4161048
12/8/2014

F-Secure
Application.Bundler.EM
11.2014-08-12_2

G Data
Application.Bundler.EM
14.12.24

K7 AntiVirus
Trojan
13.186.14270

Kaspersky
Trojan.Win32.AntiFW
15.0.0.543

Malwarebytes
PUP.Optional.InstalleRex
v2014.12.08.08

McAfee
Program.PUP-FMK
16.8.708.2

MicroWorld eScan
Application.Bundler.EM
15.0.0.1026

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.6.63850

Norman
Application.Bundler.EM
04.12.2014 14:30:06

Panda Antivirus
Trj/Genetic.gen
14.12.08.08

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
12.14.14.00

Reason Heuristics
Adware.WebPick.Installer.N
14.12.8.7

SUPERAntiSpyware
PUP.InstallRex/Variant
10190

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
35418

Zillya! Antivirus
Adware.MultiPlug.Win32.29844
2.0.0.2000

File size:
311.3 KB (318,760 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 FreeWorldApp

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
Tarma Installer

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:OrcbUzkuvcBYC47l2x6VhrsvjcGUk6u2EOhB6nzuY5f:OrhkuveY3bGkz6zuY5f

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:
7.9505

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://skypeemoticonstf.in/.../install.php

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