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skypesetup.exe

Skype

Software Association LLC

The application skypesetup.exe by Software Association has been detected as a potentially unwanted program by 16 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.ar.joydownload.com and multiple other hosts.
Publisher:
Software Association LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
6d5ab46553591a99b50897a23b5b415c

SHA-1:
bfde7f2cf14de3428ae3960320806c25aaa295c8

SHA-256:
ae67a5f3c2d5d3e6271c52141c237a1fd0b377ca897c65b91f5a849bbf888cdb

Scanner detections:
16 / 68

Status:
Potentially unwanted

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:
11/25/2024 10:32:54 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2015.06.05

AVG
OpenCandy
2016.0.3086

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.1566

Clam AntiVirus
Win.Trojan.Agent-855157
0.98/21511

Dr.Web
Adware.Downware.9759
9.0.1.0157

ESET NOD32
Win32/OpenCandy.C potentially unsafe (variant)
9.11737

G Data
Win32.Adware.OpenCandy
15.6.25

K7 AntiVirus
Trojan
13.204.16146

Malwarebytes
PUP.Optional.OpenCandy
v2015.06.06.06

McAfee
Artemis!6D5AB4655359
5600.6742

NANO AntiVirus
Riskware.Win32.Downloader.dqybkl
0.30.24.1636

Panda Antivirus
PUP/OpenCandy
15.06.06.06

Sophos
Generic PUA LP
4.98

Trend Micro House Call
TROJ_GE.926EE4D5
7.2.157

VIPRE Antivirus
Trojan.Win32.Generic
40838

File size:
416.7 KB (426,664 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Digital Signature
Signed by:
Software Association LLC

Authority:
DigiCert Inc

Valid from:
1/13/2015 6:00:00 AM

Valid to:
1/21/2016 6:00:00 PM

Subject:
CN=Software Association LLC, O=Software Association LLC, L=Dnepropetrovsk, S=Dnipropetrovs'ka Oblast', C=UA

Issuer:
CN=DigiCert SHA2 Assured ID Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0E1FC80B1C57AD69AA6F8D65D1CF90CF

File PE Metadata
Compilation timestamp:
5/20/2013 5:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:fiuRLYpR+gAsFBdsZ6O2ndumtFmIMMcHzRiC9MCb6b:h1Yp0gAsFBSZ6O29tUtMcRiCqCS

Entry address:
0x331C

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, 98, 92, 42, 00, E8, A8, 2E, 00, 00, A3, E4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 90, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, E0, 81, 42, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Entropy:
7.8206

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file skypesetup.exe has been seen being distributed by the following 6 URLs.

http://skype.ar.joydownload.com/get_azure_file/wUiS4WnYccXGwj 8XPavWwllklYyNSrEQ1GyNb G8aZ28zC293p5iNEPLU31POK/fy/tiREabnGHWOOiEqd0mPAgkdSWRAaT9T28SFT8 3G gefQvNKbm2BBs9Zp10dJDXymAX1/.../gjq4nBSqwtVDd26YyUM36M9ClLHta1dPrQrVwyl8H5sv3j1Lqb65nnG sAMVPrp7vUXKquZKaiC0jYaRIBo47M212 KL X09zhU 61tlHEyjhDg70oZGp

http://skype.joydownload.com/get_azure_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEhz4coqK6bYk5ib0o2x42bhVZAeyC 64ejOilRwNIGjPEeqtCvNul6trh8ybDR6T/Sr7DUHlszi1iP/.../lSa0XIxP5YSxRHP79MjOznNnJKRIBo47M212 KL X09zhU 61tlHEy7mBwzxoJGp

http://jdcdnnet.blob.core.windows.net/fas/wi/1/30/1/.../SkypeSetup.exe

http://skype.joydownload.com/get_azure_file/wUiS4WnYccXBwj zXP7oQkEsml0kPDi1E1v4YtbB6qAk5ib0pWJgjIJQeRigK6n3fHm ykYcdnGHWOOmEqc20bIjzsCXFVnZv3a6WVT84XG j/fXrdvRlWJCqtY6gF9QFy/zGDUsnsIivSH7WmmLFOUfiJuwfnJFNKs5bBIKOb20DTM/LdzFZREhhrOiS3I3c8b41 cnDGu/.../U0WmsZGp

http://skype.joydownload.com/get_azure_file/wUiS4WnYccXBwj pXP7oQlssmVx1NT6tCk6tPIiG9/E9rm/8qHpzz8kFbk3kYqm6ZieuyxdSNGmeGeuiG7Qw0bIjzsKXFVrIo3rqBwX9uX 1mZaK55mN8jYP5NUu1h0XRn3kADx/hpxq7CC5UGSTUvsFlpO cHQVY/o4KRIdZue3DzgqasWXLBomj6PhEiUmfIz5kuc3BHv 9kjE3/VtDoC8YsntZXBc1dPpRKpkw0xcqMqhn1O7ZK9/hW/9So8I/.../kxdYHGS7rFA7zsZGp

http://skype.ar.joydownload.com/.../wUiS4WnYccXBwj zXP7oQkEsml0kPDi1E1v4ZNbB47pquHf14WJzz9EcThyuKO6fajf5gEoNejaeEKqtHr8llvEgnYTIFQfI9S78DkH3un27ivfa7dPam3EP5Yc7wF9DXmSmGDU2nsUj7H2lBjfMAq5Xi83jPSUGbKs5bBIOM6XlAiM8OJKfb15g0LPvUSwgcpexiqR1W3ux8VDMlu0qXcave4GkaXtO3cO4HugjjRZW54v3nxihOrh 1CalCd1c7cGpSDrjsZuCxW8ybPVJQo4vfiZ95L3gXghqzRyz3c8HSnjzDVT5opGp

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