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freeultimatefileopener_installer.exe

Denco Limited

The application freeultimatefileopener_installer.exe by Denco Limited has been detected as adware by 5 anti-malware scanners. The program is a setup application that uses the Nullsoft Scriptable Install System installer. This version of the installer will bundle the Ask.com Toolbar, a potentially unwanted web browser extension. The file has been seen being downloaded from fileextension.s3.amazonaws.com and multiple other hosts.
Publisher:
Denco Limited  (signed and verified)

MD5:
69fbe1b8d2a82e9cf5450e33f0a549bb

SHA-1:
0a7ff07e76ae9974448bda2cde65783ae5eb5109

SHA-256:
b5072dbf3aa3205509ef69245b4984a38b7110d6c6cbc865bbbe1bf77c473b51

Scanner detections:
5 / 68

Status:
Adware

Explanation:
Bundles that Ask.com toolbar as a third-party offer, a web browser extension that may modify a user's search and home pages.

Analysis date:
4/26/2024 11:03:04 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.1417
9.0.1.048

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
8.9114

Malwarebytes
PUP.Optional.Spigot.A
v2014.02.17.01

Reason Heuristics
PUP.DencoLimited.a
14.2.17.13

Trend Micro House Call
TROJ_GEN.F47V1125
7.2.48

File size:
12.4 MB (13,023,904 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Scriptable Install System

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

Digital Signature
Signed by:
Denco Limited

Authority:
VeriSign, Inc.

Valid from:
9/29/2013 6:00:00 PM

Valid to:
9/30/2015 5:59:59 PM

Subject:
CN=Denco Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Denco Limited, L=Hong Kong, S=Hong Kong, C=HK

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
570F3954FD8AC2184E29E83063A4482B

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
393216:Q4/qUolRhdmroMBNK6nsrnCMXfFTKXaIGs:R/OmrBBsACnCMvdKXT

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9919  (probably packed)

Code size:
22.5 KB (23,040 bytes)

The file freeultimatefileopener_installer.exe has been seen being distributed by the following 3 URLs.

http://fileextension.s3.amazonaws.com/FreeUltimateFileOpener_Installer.exe

https://filesolver.s3.amazonaws.com/FreeUltimateFileOpener_Installer.exe

http://filesolver.s3.amazonaws.com/FreeUltimateFileOpener_Installer.exe

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