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skypemoticons.exe

Shlomo Dayan

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application skypemoticons.exe, “Installer for WinterSoft” by Shlomo Dayan has been detected as adware by 30 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:
WinterSoft  (signed by Shlomo Dayan)

Product:
WinterSoft

Description:
Installer for WinterSoft

Version:
2013.10.31.1157

MD5:
cca8d41081539dd0ec3972370b5c2659

SHA-1:
d48119de3168c545243da1ae4448d1aa4cc9e9b4

SHA-256:
586c88b3902bbe3410d8dd9f6739640a67ed59ead1554b3634ae9b43b270bfde

Scanner detections:
30 / 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:
4/25/2024 3:39:28 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.09.21

Avira AntiVirus
Adware/InstallRex.P.2
7.11.143.102

avast!
Win32:InstalleRex-AH [PUP]
2014.9-140920

AVG
MalSign.Generic
2015.0.3345

Clam AntiVirus
Win.Trojan.Installerex-1
0.98/19406

Comodo Security
Application.Win32.InstalleRex.LL
18105

Dr.Web
Adware.Downware.1541
9.0.1.0263

ESET NOD32
Win32/InstalleRex
8.9675

Fortinet FortiGate
Riskware/InstalleRex
9/20/2014

F-Prot
W32/InstallRex.B
4.6.5.141

G Data
Win32.Application.InstalleRex
14.9.24

herdProtect (fuzzy)
variant of youtube_downloader_hd_setup.exe.exe (Adware)
2014.12.3.2

IKARUS anti.virus
AdWare.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Trojan
13.176.11755

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3223

Malwarebytes
PUP.Optional.InstalleRex
v2014.09.20.12

McAfee
PUP-FHQ!EB13D2DD0FDC
5600.7001

NANO AntiVirus
Riskware.Win32.Downware.crdwjq
0.28.0.59048

nProtect
Trojan/W32.AntiFW.311464
14.09.19.01

Panda Antivirus
PUP/TSUploader
14.09.20.12

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
9.14.14.00

Reason Heuristics
Adware.WebPick.Installer.N
14.9.20.12

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14918

Sophos
InstallRex
4.98

SUPERAntiSpyware
Adware.InstalleRex/Variant
10348

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
28214

Zillya! Antivirus
Downloader.Adload.Win32.16843
2.0.0.1928

File size:
304.2 KB (311,464 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2013 WinterSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

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

Digital Signature
Signed by:
Shlomo Dayan

Authority:
COMODO CA Limited

Valid from:
1/22/2013 1:00:00 AM

Valid to:
1/23/2014 12:59:59 AM

Subject:
CN=Shlomo Dayan, O=Shlomo Dayan, STREET=Smadar 45, L=Tel Aviv, S=center, PostalCode=67126, C=IL

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

Serial number:
413C7D68ADD60589106BCF7DC596FBBA

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:Trkw6Y0JQBkQRl7174NpNUM+UHs+tPvpqvpQAy+L9hMk+W60z4RRWe:Trkw63yRl1uqM+gs+tPvEpPy+rMzue

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...
 
[+]

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://storebox1.info/.../?uuid=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

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=10545386&publisher_id=054&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=31636158&external_id=0&session_id=63272316&hardware_id=73817702&installer_file_name=skypemoticons

Remove skypemoticons.exe - Powered by Reason Core Security
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