home

skypesetup.exe

Skype

RICH MEDIA SYSTEMS INC.

The application skypesetup.exe by RICH MEDIA SYSTEMS INC has been detected as a potentially unwanted program by 19 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.pt.1800download.com and multiple other hosts.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
c2d4f56f405769baa3a611099b6a556e

SHA-1:
571278f580c62379bd4269279f2a3fdf65927ae5

SHA-256:
bad12f7fa8cfcc38a8b72285e8918507cfbc6fe31ca0a1a7ad82c24e7bb585ec

Scanner detections:
19 / 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:
5/17/2025 6:46:23 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2015.06.01

AVG
OpenCandy
2017.0.2847

Baidu Antivirus
Adware.Win32.Agent
4.0.3.1621

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

Dr.Web
Adware.Downware.10304
9.0.1.032

ESET NOD32
Win32/OpenCandy.C potentially unsafe (variant)
10.11713

Fortinet FortiGate
Riskware/OpenCandy
2/1/2016

G Data
Win32.Adware.OpenCandy
16.2.25

K7 AntiVirus
Trojan
13.204.16089

Malwarebytes
PUP.Optional.OpenCandy
v2016.02.01.02

McAfee
Artemis!D11B03DAA44B
5600.6503

NANO AntiVirus
Riskware.Win32.Downloader.dqybkl
0.30.24.1636

Panda Antivirus
PUP/OpenCandy
16.02.01.02

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

Reason Heuristics
PUP.RICHMEDIASYSTEMS.Installer (M)
16.2.1.2

Sophos
Generic PUA CE
4.98

Trend Micro House Call
Suspicious_GEN.F47V0325
7.2.32

VIPRE Antivirus
Trojan.Win32.Generic
40720

File size:
415.6 KB (425,592 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

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

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/17/2015 7:00:00 AM

Valid to:
2/18/2016 6:59:59 AM

Subject:
CN=RICH MEDIA SYSTEMS INC., O=RICH MEDIA SYSTEMS INC., L=HENDERSON, S=Nevada, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3F87144C25AF8BCF29F29C5A1FEEF4BA

File PE Metadata
Compilation timestamp:
5/20/2013 6:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:4iuRLwZ6mzyGREL7do3D7XP4tIguPqaweU/2pGrjh3:E1wZBGGREfdQEXaweU+pG5

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...
 
[+]

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 8 URLs.

http://skype.pt.1800download.com/get_azure_file/wUiS4WnYccXBwj qXP7oQkEsm10kPjuhChOxatjZp7VvsTDsqSt4yt8EPwS8IfupfCb4hRRGZyvZCeLkErY90fo5kNSWXgaQ9yS7BkT9qj/7mf6SpNjSg2JZqtY6hV9QAT7nU3wghshw9Cr WGWeQ71YwMfqdD0GaLMge0FMc/OmHz89JNzFZREnhrOnSW9lLZf5kuc3BHvl8UjE3/VrDoD6KZz6MDYfzcr F 8ujUtKsdyoz0rzLaB2nT6kBs5P5YSxQHP79cjEiCdjbbBJV4Y/PHwit/.../rBAfhoJn2zEI=

http://skype.1800download.com/get_azure_file/wUiS4WnYccXGwj 8XPavWwllklYyNSrkQ1GyNZ G8aZ28zC293p5iNENJ1WnMe/.../8uk2UrzN6B0nyflCc5d5NXvGjqp78DZ3258db0AT4E3Kzx4 aLyDxEihBS6xZkAASeiDAz5sZv2zEI=

http://skype.1800download.com/get_azure_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqiGxn1cteQv E8/zq9sGMxwdwEPwC Nu jeDCuyxdSMWmeW7DzCr50ybpq1seeAR6avCX BlSi8DvmyaDDpYDSkGdJp5A0hlJFUn3kADh/hpV2on vGHGSA7ZfwtXjMjYVY/.../2zEI=

http://www.filehippo.com/download/file/.../

http://skype.1800download.com/get_azure_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PDK1Gh3zcteQv c8/zOn/j1gwJgELEPtevindjPpgwEcdyOSTqHyCr50yb9q1pPVR1XTqj3zVUz2vHm5iPLXrt/dmiBBop8iwwwWRn3kAD1/.../DWOo8QObjvQ1DpO1e4GkbnFWzZXkXql4zlRQr9Tvhhvya6Bn1HfvQ5pP5YSxQHP76sjEiCdjbbRJV4c K3RguuGtD1w42gS7lNdCGT7jBAjwop32zEI=

http://skype.1800download.com/get_azure_file/.../3ufa7dPem3Ee6dVpwQBQXy tCzp3ksEu S35XWjaSr9W2oG4YyUMK7M0JQoNMar0V31tc43EJREwzPiwAC1mcob4w w2CHux8VDNlu0oQIC2M8ivZWNdzcr F 8ujUtKsdyoz0rzLaB2nT6kBs5P5YSxQHP76sjEiCdjbbRJV4c K3RguuCtD0UinB3z3dpOAWu4WFms5Nn2zEI=

http://skype.1800download.com/get_azure_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PDK1Gh3zcteQv U8/zC24jEwnskFdE3mbLn6OXe/xFxROSCGGumtCuFugPk8lY/YRVCD9GzyCUzl yD2y6DDpZrSlWlZ98xs1kdJF3ymDjRn15hgvn65DyfcAKIJgJLzPHQNa7Mgb0FbIaS0XHl1as/.../D2Gx8VDMlu0qXcave4GkaXtO3cO4HugjjRZW54r3nxy8fKE2nS2sEc5P5YSxQHP76sjEiCdjbbRJV4c K3RguuCtD0UinB3z3dpOAWu4WFms5Nn2zEI=

http://skype.1800download.com/get_azure_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv c8/zOn/j1gwJgELEPtevindjPpgwEcdyOSTqHyCr50yb9q1pPVR1XTqj3zVUz2vHm5j/bUqt3ZmiBBp58i1QoeACPlGDU2nsAj7Cn/.../etCtbGNXnMu8HeM2y0RWrdSsxB26Mrh 1CajCd0etY77Fmvi8JuTkD5gPuJRTsc3OnUxseGhDxEihBS6xZkAASeiDAz5sZv2zEI=

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