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skypemoticons.exe

Oleh Aleksyuk

The application skypemoticons.exe, “Installer for FreeWorldApp” by Oleh Aleksyuk has been detected as adware by 20 anti-malware scanners. The program is a setup application that uses the Tarma Installer 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from bluegral.com.
Publisher:
FreeWorldApp  (signed by Oleh Aleksyuk)

Product:
FreeWorldApp

Description:
Installer for FreeWorldApp

Version:
2014.9.28.1126

MD5:
e29efabdc9da8a3f6564e7770cf6d135

SHA-1:
e04c8a778eb606944ecbc76af57e26aa35520237

SHA-256:
ada72e03e70c023a638f86eb27535fb8f7a35ac1d228b667c7ca4218e74d8ec9

Scanner detections:
20 / 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 7:28:37 AM UTC  (today)

Scan engine
Detection
Engine version

AegisLab AV Signature
Troj.W32.AntiFW
2.1.4+

Avira AntiVirus
APPL/Bundler.InstallRex.1.4
7.11.176.126

AVG
Generic
2015.0.3333

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Trojan.Installerex-176
0.98/19476

Comodo Security
Application.Win32.InstalleRex.KG
19693

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
7.0.302.0

F-Prot
W32/InstallRex.B.gen
v6.4.7.1.166

G Data
Win32.Adware.Multiplug
14.10.24

K7 AntiVirus
Unwanted-Program
13.183.13550

Kaspersky
not-a-virus:AdWare.Win32.MultiPlug
15.0.0.494

Malwarebytes
PUP.Optional.InstalleRex
v2014.10.03.11

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.2.62440

Panda Antivirus
PUP/TSUploader
14.10.03.11

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
10.14.14.00

Reason Heuristics
Adware.WebPick.Installer.N
14.10.3.4

Sophos
MultiPlug
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

File size:
315.6 KB (323,216 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}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\skypemoticons.exe

Digital Signature
Signed by:
Oleh Aleksyuk

Authority:
Unizeto Technologies S.A.

Valid from:
6/24/2014 1:42:54 PM

Valid to:
6/24/2015 1:42:54 PM

Subject:
E=oleh.aleksyuk@hotmail.com, CN=Oleh Aleksyuk, O=Oleh Aleksyuk, C=RU

Issuer:
CN=Certum Code Signing CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
3F42151CCAD6E8C610946EE44021DAF5

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:zrcbUzkuvcBYC47l2x6VhrsvjcGUk6u2EOhB6nzuY5vh:zrhkuveY3bGkz6zuY55

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:
7.9506

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://bluegral.com/v1494

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