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skypesetup.exe

Skype

Innovative Systems LLC

The application skypesetup.exe by Innovative Systems has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from skype.joydownload.pl and multiple other hosts.
Publisher:
Innovative Systems LLC  (signed and verified)

Product:
Skype

Version:
1.0.0.0

MD5:
3d54d78a719b499dbc7ea0650a5b48fb

SHA-1:
1975c8714d5b96ea48461cc09fb27a860923ebf6

SHA-256:
ae47d96ff9f02f183c2c4db6920a55d31fcc26839894e7364698a29bde79f541

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
5/6/2024 4:40:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InnovativeSystems.Installer (M)
16.2.23.2

File size:
489.8 KB (501,512 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

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

Digital Signature
Signed by:
Innovative Systems LLC

Authority:
VeriSign, Inc.

Valid from:
5/19/2014 2:00:00 AM

Valid to:
5/20/2015 1:59:59 AM

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

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
450EACFE8D673E82864CE46BC1A92FCA

File PE Metadata
Compilation timestamp:
5/20/2013 1:53:11 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:wKcfLRTe75IiGvTTHA/RElJocNioPCc9ebuwXW:wjRy7DGPHA/REFPCie5G

Entry address:
0x333E

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, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 80, 40, 00, 55, FF, 15, AC, 82, 40, 00, 6A, 08, A3, 78, 4F, 43, 00, E8, A8, 2E, 00, 00, A3, C4, 4E, 43, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, F0, B1, 42, 00, FF, 15, 7C, 81, 40, 00, 68, 7C, A3, 40, 00, 68, C0, 3E, 43, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 81, 40, 00, BB, 00, F0, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file skypesetup.exe has been seen being distributed by the following 5 URLs.

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj pXP7oQlssmVY9fDKlEgqtI87Y9ukx53e5 zYmlJxNP0ykYrr8NWHomRcYbjLFXqv7Cr50ybxq1oXGTkzE7SS7BkD9qi73y6yT 8vTyGlKpZU3g1xDVHOnAX1/.../VvDoDkKZa8ZDJW3cuvHOs2lF4f7oLvzQGsfKE2nS sEc5e6NWwAHPvuYPGxXB0MvRRTsc3OnUxseGuDxEihBS6xZkAASeiDAz5sZv2zEI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj zXP7oQkEsml0kPjq1E1v4Y9bB87pi/269qG542dkMLUPnban3fHm ykYcdnGHWOOmEqc20bIjzsCXFVrOo3utTlT8 3G8gefQrdDKmiBBp58i1h0CDTTyGDUsnsIt/iP7WGuYQ7xXi83jPSVYK6s5bBIIOb2wDyQrJ4mNNBBhhqDkGDRxIcayjbx8SyvmoFGMlvpmFtHmOYL7fXof1cK3D6p9yw8etIL8jFO7ZKl/hWz/.../2zEI=

http://skype.joydownload.pl/get_file/wUia6yjQOMzI2m6zUbjxEAgnmVx1NTytCk6rPInBvqA87GH0sAspgptbThKjLfviajvp0l8bOGGGCa3jCr50ybhq1sePDE b SXqWhmr7C79mf6SpNrSg2JIqIc7wF9BXmT U2pnn4Aj/CHoW2GLS/9WycfrJWNeK/luflFKcfPlXTl1fcTcZUBrzPT2GWUve4/.../IHiF2vi8JuWkD4iZbZHRYEvMjI=

http://skype.joydownload.pl/get_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqnHBj3cteQv E8/yG6sGMxwdoEP0b1Y/j2PHmugA0MIGjPEeqtCrQ0xatrh8yeDR7SpnvqBx/9uXq0yP/VpMuOyD8es55ziVRGXmTEUXc1waB8um66RDbRFa5Xi83nPSVSIPlrbU0dOPb9V35/.../yoJP2zEI=

http://skype.joydownload.pl/get_file/wUia6yjQOM7Cwj XOm6FVNv3RVqLTPkEh34cp I/KNj/269qGt42ZhXeVXsMbH9Pnj/ylZSICfICeLkErQ90bhyz4WXAQaDqXCkWBO1qnD8gfbbvNjbmHFA4p80iUcUDSryGDU2nsIt9DmZASrZFd8JjIKhKWJPPas5bBIMOb2xDy5tc43EIBEwjqPkFiYgao6x2 4/.../VuDoC8ctClLHtf1dP9RL02lF4f7oLvjFv fKE2nSqsEZoVrp75Fmvi6puRniwmZrJEQII0MjI=

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