convertfilesforfree2.exe

Denco Limited

The application convertfilesforfree2.exe by Denco Limited has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from cdn.download4desktop.com.
Publisher:
Denco Limited  (signed and verified)

MD5:
f1b61bc1afe863117efb7e13fed37d12

SHA-1:
055206f52bd6548bc63b8258b5aac814e02b4375

SHA-256:
362b54c89a8fceacb6b9a6e46d1ca0132cbbec7b1e82646831e42e3629351d8b

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Uses the InstallIQ download installer to bundle various adware offers.

Analysis date:
12/24/2024 12:53:34 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Dencol
2015.0.3464

Dr.Web
Adware.W3i.44
9.0.1.0144

Malwarebytes
PUP.Optional.FastFreeConverter.A
v2014.05.24.12

Reason Heuristics
PUP.DencoLimited.U
14.5.24.12

Trend Micro House Call
TROJ_GEN.F47V0327
7.2.144

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.0

File size:
1.3 MB (1,338,416 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\convertfilesforfree2.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
9/29/2013 7:00:00 PM

Valid to:
9/30/2015 6:59:59 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:
2/24/2012 1:22:01 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:23z6rf47RGK6W/mAZ2RK+jIn1WM5sbixX5uMzIc5JkQ/myZ2RKMCItIWF:22rwtGKd/xZ+KkIYM6bixX0MiQ/ZZ+KM

Entry address:
0x36DA

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 1C, C7, 44, 24, 10, C0, 8A, 40, 00, 89, 5C, 24, 18, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, AC, 80, 40, 00, 53, FF, 15, A4, 82, 40, 00, 6A, 08, A3, 18, 36, 45, 00, E8, FD, 28, 00, 00, 53, 68, 60, 01, 00, 00, A3, 28, 35, 45, 00, 8D, 44, 24, 3C, 50, 53, 68, BF, 8A, 40, 00, FF, 15, 70, 81, 40, 00, 68, B4, 8A, 40, 00, 68, 20, F5, 44, 00, E8, 27, 26, 00, 00, FF, 15, A8, 80, 40, 00, 50, BF, 50, C0, 47, 00, 57, E8, 15, 26...
 
[+]

Entropy:
7.9788

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file convertfilesforfree2.exe has been seen being distributed by the following URL.

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