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install_avast-2.exe

Internet

Cpc Net Advertising LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application install_avast-2.exe, “Internet Setup ” by Cpc Net Advertising has been detected as a potentially unwanted program 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 installCore installer. With this installer, users are expecting to download the free AVAST Antivirus but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Prog   (signed by Cpc Net Advertising LLC)

Product:
Internet

Description:
Internet Setup

MD5:
7511dfc3452c573d9a96fe34aa62a63e

SHA-1:
e82512686a8c3a4bcf4b9f62f206f22b8b2fa9c1

SHA-256:
f89c9acdf49e01a501a1eb02b7b689896cbd23b9bed9a098f859db42748a35fc

Scanner detections:
1 / 68

Status:
Potentially unwanted

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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/24/2024 2:37:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.CpcNetAdvertising.Installer (M)
16.1.5.10

File size:
933 KB (955,416 bytes)

Product version:
1.4

Copyright:
Program Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\install_avast-2.exe

Digital Signature
Signed by:
Cpc Net Advertising LLC

Authority:
thawte, Inc.

Valid from:
7/1/2015 2:00:00 AM

Valid to:
7/1/2016 1:59:59 AM

Subject:
CN=Cpc Net Advertising LLC, OU=IT, O=Cpc Net Advertising LLC, L=Wilmington, S=Delaware, C=US

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
2BC1DD7AA35DE89A0D5276ECD7AE32AF

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:dFM+QH/OR8uWDwRPXqJhEZ+a0LfaaF14x:dji6+wp6EZ+ZfaaLO

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file install_avast-2.exe has been seen being distributed by the following 5 URLs.

http://www.straightarchiveslist.com/c?x=ylHZZ2yekJr sBkt8XkSNtjl1/.../FMWjz2f8w6Mo0jSe1aCAkfsnUIK2lrm9GaJ8TGu9WkOyY4VBquqRnHdw==&fallback_url=Fallback URL&downloadAs=install_avast-2.exe

http://www.straightarchiveslist.com/c?x=MbuhFd1Oq5Ox/N7Epk1qmLe95KA2hnrvpyeCpuqMMjU=&c=VqqTveZc2Q8jfkl wbRdauBTXOeRxPTB01nsSN7Rc4dNvS80xF5KI9I4CB2c3cJ2c/q/QZMO9x/.../Box9emTopWhSOIvw==&fallback_url=Fallback URL&downloadAs=install_avast-2.exe

http://www.straightarchiveslist.com/.../lDiud0NJeYZbFdXuwCItqpOiexw3BfqPyHUr1A3GZizDl64fu7btFGCSNwJGOmhNsOWhZEqN9bjCwWlI kWvF1RkWZbQRvO6833OeqJYCa2pNbZwv2V6qjwJVRF hoiPty8FYuK24DYJvGQ==&fallback_url=Fallback URL&downloadAs=install_avast-2.exe

http://www.straightarchiveslist.com/c?x=seIk/HMVTq8cX7JbQnTIyY 5but7dCrQRhnfB70ZB5Q=&c=8rKSxZ2SeR9RNHmYdf9qDa tr 75z6v2WPUu7RlrqzU4mwCQ8ryId2dIQClMTYiYQKyCl5szOWtAYxcds2QFMt8nPXSc k3KGTjwQawSSewTRnC7317GeE6/.../i1JCJQ==&fallback_url=Fallback URL&downloadAs=install_avast-2.exe

http://www.straightarchiveslist.com/c?x=Oq1ELLqPDEJUkiSDt3n7bq12KdT2kf6wO4Tfq7998AA=&c=33F e0ilVOomdeUwOpuRMwvM5prj2Tgb6Zh0jOkzdhweJozleIR6XGWGXWSt5OushN AUqe1V6QFU LrA4p1Vn7ZASOzudJcGfwGFL0eK3yNNXoa/.../WZ2raqYHh7R67IVCNHmUdHgRS2IOainQ==&fallback_url=Fallback URL&downloadAs=install_avast-2.exe

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