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ac3filter_2_6_0b.exe

AC3Filter

Alexander Vigovsky

The application ac3filter_2_6_0b.exe, “AC3Filter Setup ” has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. 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.
Publisher:
Alexander Vigovsky

Product:
AC3Filter

Description:
AC3Filter Setup

MD5:
4ab6c7656af286fef35835b6c292cec7

SHA-1:
7131c24b6242af344659a8e2c5a55d0245434d7b

SHA-256:
df206ef2a91d4cb95df13dc7bc61716ff849d0ab407de0f450d25a3909cee179

Scanner detections:
2 / 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:
1/15/2025 1:10:05 PM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/OpenCandy potentially unsafe application
8.0.319.0

Reason Heuristics
PUP.OpenCandy.Installer (L)
16.6.13.17

File size:
4 MB (4,184,641 bytes)

Product version:
2.6.0b

Copyright:
Copyright (c) 2002-2013 by Alexander Vigovsky

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\ac3filter_2_6_0b.exe

File PE Metadata
Compilation timestamp:
12/20/2011 4:16:50 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:cO0hGzmf6bVe0n+hn4orL8gcC5pAn/WZGEMLmRqj:cfGznR+Z58g35C/0GEW6qj

Entry address:
0x16478

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, B0, 52, 41, 00, E8, AC, 03, FF, FF, 33, C0, 55, 68, 45, 6B, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 01, 6B, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, AB, 41, 00, E8, 4E, EC, FF, FF, E8, F5, E7, FF, FF, 8D, 55, EC, 33, C0, E8, 7F, 84, FF, FF, 8B, 55, EC, B8, AC, D6, 41, 00, E8, E2, E9, FE, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, AC, D6, 41, 00, B2, 01...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
84 KB (86,016 bytes)

The file ac3filter_2_6_0b.exe has been seen being distributed by the following URL.

http://www.ac3filter.net/downloads/releases/.../ac3filter_2_6_0b.exe

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