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fileextractorsetup.exe

Best Free Downloads

The file is a bundle distribution and utilizes the installCore download manager to distribute this potentially unwanted software. The application fileextractorsetup.exe by Best Free Downloads has been detected as adware by 15 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 www.bestusefuldownloads.com.
Publisher:
Best Free Downloads  (signed and verified)

MD5:
127acaba1d8f173fc2c935dffdfe50b4

SHA-1:
c24d345c53df809ff86072d4b8d042d123580592

SHA-256:
f8af6146a4e937d56f875cb892f6b9ffe24bfe9116d7a53de45f8d1ab790c6e6

Scanner detections:
15 / 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:
4/24/2024 8:10:01 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen9
7.11.171.238

avast!
PUP-gen [PUP]
2014.9-140914

AVG
Generic
2015.0.3352

Comodo Security
Application.Win32.InstallCore.LM
18759

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0257

ESET NOD32
Win32/InstallCore.PK potentially unwanted application
8.7.0.302.0

F-Prot
W32/A-6c5f2e7b
v6.4.7.1.166

herdProtect (fuzzy)
variant of flvplayersetup.exe (Adware)
2014.11.10.13

K7 AntiVirus
Unwanted-Program
13.182.12926

Malwarebytes
PUP.Optional.InstallCore
v2014.09.14.01

McAfee
CryptInno
5600.7008

Reason Heuristics
PUP.Installer.BestFreeDownloads.S
14.9.14.0

Sophos
Install Core Click run software
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10246

VIPRE Antivirus
Threat.4788237
29708

File size:
687.5 KB (703,984 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Best Free Downloads

Authority:
COMODO CA Limited

Valid from:
10/21/2013 8:00:00 AM

Valid to:
10/22/2014 7:59:59 AM

Subject:
CN=Best Free Downloads, O=Best Free Downloads, STREET=Lilienblum 28, L=Tel Aviv, S=Israel, PostalCode=6513307, C=IL

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

Serial number:
046CC4AA2B722C5117786BD75A823929

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:IMFa/Lc/7ICK5cvCCxpAXRbJAdqHcYo2k0rOyBFIcBFYbA76SGwwj6:IMFmmO7CC+acp2J7FbSkj4

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...
 
[+]

Entropy:
7.8611

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

Code size:
37 KB (37,888 bytes)

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

http://www.bestusefuldownloads.com/file-extractor/gwg/.../?lg=EN&dl=1&chnl=s_gwg_FX_nl_264679&cid=20151335471404209903

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