installer_avast.exe

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 installer_avast.exe 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. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
CPC NET ADVERTISING LLC  (signed and verified)

MD5:
4fe8d1d91b9e4b54476d2d04e73ed6c9

SHA-1:
37c30abc8196f8df17d486e508cae4c9abaea2b1

SHA-256:
19dc6303752f2fc4d9e9add6995e33224052c6701ca125d6613ea6cb212fb663

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/17/2024 12:31:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.CPCNETAD (M)
16.4.1.3

File size:
664.6 KB (680,568 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Authority:
Thawte, Inc.

Valid from:
4/7/2014 2:00:00 AM

Valid to:
11/28/2015 12:59:59 AM

Subject:
CN=CPC NET ADVERTISING LLC, O=CPC NET ADVERTISING LLC, L=NEW CASTLE, S=DELAWARE, C=US

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

Serial number:
402E903377FE117E487BC9F63BC243C8

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):
12288:mS2pjGnX0FoQv0Q3XEjmBmM1EkDt4bn83J1aKtFa8RimqRJkbQP+mKHDZ:mS210kFbLEfMrDab851aWx8RfP+Fd

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 installer_avast.exe has been seen being distributed by the following URL.

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