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ac3filter.exe

dobreprogramy sp. z o.o.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application ac3filter.exe by dobreprogramy sp. z o.o has been detected as adware by 20 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from download.dobreprogramy.pl.
Publisher:
dobreprogramy sp. z o.o.  (signed and verified)

MD5:
a27e83a97a2e9a35b69e44a71b2fe129

SHA-1:
ea8e4dd3fd27831f00cbc9d38d369dd8c5335a30

SHA-256:
f6a39a93e4172849999ff6037afd69beb542d9ea88b4e8122d6b3ed2cc1b9b41

Scanner detections:
20 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/25/2024 4:36:27 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.PE
7.11.158.190

avast!
Adware-gen [Adw]
2014.9-150217

AVG
Generic
2016.0.3195

Clam AntiVirus
Win.Adware.Installcore-620
0.98/19817

Comodo Security
Application.Win32.InstallCore.PEIC
18903

Dr.Web
Trojan.MulDrop5.10078
9.0.1.05190

ESET NOD32
Win32/InstallCore.WT potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstallCore
2/17/2015

F-Prot
W32/A-dbe1ec51
v6.4.7.1.166

G Data
Win32.Application.InstallCore
15.2.24

K7 AntiVirus
Adware
13.183.13305

Malwarebytes
PUP.Optional.InstallCore
v2015.02.17.12

McAfee
Artemis!ACF37E4FC405
5600.6851

NANO AntiVirus
Riskware.Win32.InstallCore.dmiyow
0.30.0.65070

Qihoo 360 Security
Win32/Virus.Adware.b6e
1.0.0.1015

Reason Heuristics
PUP.dobreprogramyspzoo
15.2.17.12

Sophos
PUA 'Install Core Click run software'
5.10

SUPERAntiSpyware
Trojan.Agent/Gen-Nullo[Short]
10048

Trend Micro House Call
TROJ_GEN.F47V0603
7.2.48

VIPRE Antivirus
InstallCore.b
30148

File size:
686 KB (702,504 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\ac3filter.exe

Digital Signature
Signed by:
dobreprogramy sp. z o.o.

Authority:
COMODO CA Limited

Valid from:
5/20/2014 2:00:00 AM

Valid to:
5/21/2015 1:59:59 AM

Subject:
CN=dobreprogramy sp. z o.o., O=dobreprogramy sp. z o.o., STREET=Al. Jana Kasprowicza 94, L=Wrocław, S=dolnośląskie, PostalCode=51-145, C=PL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
4E30454670D180FB3C3C625396724F5E

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:UhFaia4Ah0vw8WNabpd6me7MTev4aVevgDeISLHvQE3LdF4uif+Ydp:UhF85rlId6me7MaAaW7j774fd

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, BF, A9, FF, FF, E8, 5E, 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 ac3filter.exe has been seen being distributed by the following URL.

http://download.dobreprogramy.pl/.../x86

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