skypesetupfull.exe

Skype

Innovative Systems LLC

The application skypesetupfull.exe by Innovative Systems has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from skype.il.joydownload.com and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
7f2a38d53b5ee0e5bac3be1d7328995c

SHA-1:
24eac6f2b50b2b3b3d70fabe2f633220be856da4

SHA-256:
d370930b4b0d809ecfdca780ac5606c8f12675dafc31f8ff4f84d3156279b88c

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
4/25/2024 9:28:35 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.12.09

Avira AntiVirus
APPL/Downloader.Gen
7.11.193.162

AVG
OpenCandy
2015.0.3266

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.14128

Clam AntiVirus
Win.Trojan.Agent-803351
0.98/21511

Dr.Web
Adware.OpenCandy.55
9.0.1.0342

ESET NOD32
Win32/JoyDownloader
8.10843

Malwarebytes
PUP.Optional.OpenCandy
v2014.12.08.09

McAfee
Artemis!2A2CC871B2C2
5600.6922

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.InnovativeSystems.O
14.12.8.21

Trend Micro House Call
ADW_OPENCANDY
7.2.342

Trend Micro
ADW_OPENCANDY
10.465.08

File size:
496.2 KB (508,096 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Authority:
Thawte, Inc.

Valid from:
9/19/2014 3:00:00 AM

Valid to:
9/20/2015 2:59:59 AM

Subject:
CN=Innovative Systems LLC, O=Innovative Systems LLC, L=Dnepropetrovsk, S=Dnepropetrovska, C=UA

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
09A91C40EAE34E72CD975B0B218AE4BA

File PE Metadata
Compilation timestamp:
5/20/2013 2:52:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:pQgLEJk43wdX1ctEsHOnqdaSrJ8ZGqIEJ6XH+whr74z0:aSEJk51YHOG+4qIhHpO0

Entry address:
0x331F

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, D8, 7A, 7A, 00, E8, A8, 2E, 00, 00, A3, 24, 7A, 7A, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, D0, EE, 79, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, 20, 6A, 7A, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 20, 7B, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8648

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file skypesetupfull.exe has been seen being distributed by the following 10 URLs.

http://skype.il.joydownload.com/get_azure_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PTK1Hhnga5/ZtOM8/zGn4SgumpJLbxv1Y/j2Onmugw8RcjaeEKqtGr8lnPpyz4WXAAaDuHamWBmw 2m0yP/SpMuYyDdZqtY6gF9QVXWhGDU2nscj7H2jBjaLS/9Wyc/rJXRcIflnbE1Ldu hEyYjZpuGcwkpz6vnGDR8IdHg2q4/DGOosF7dl7xmB5ivM5v6fXoF1cC2XuMmlQ9RqZr2zlL5ZLh0hSflCclX/JLzAyCr5oObwyYhY7dLRYM OHkru6GtHhBzyE/.../xp5zszx0ucw==

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