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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 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 file has been seen being downloaded from www.bestusefuldownloads.com.
Publisher:
Best Free Downloads  (signed and verified)

MD5:
50635b85e9c3e50ff8e029323ecc1675

SHA-1:
9fa068105c16fc138f654c08248aa158f5ce84c9

SHA-256:
bf6cf7b362bcbc33c8c36836f7a536de711ce21913c4eb64942d1f9be726501d

Scanner detections:
1 / 68

Status:
Adware

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/5/2024 2:57:23 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.7.29.10

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 7:00:00 AM

Valid to:
10/22/2014 6:59:59 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 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:JMFa/Lc/7ICK5cvCCxpAXRbJAdqHcYo2k0rOyBFIcBFYbA76SGwwj6:JMFmmO7CC+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:
7.8620

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/adbr4/.../?lg=EN&dl=1&chnl=s_adbr4_FX_nl_264675&cid=19910712381404139815&webid=bb98475e-50ec-3152-84a2-3d22bcddebc8

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