convertfilesforfree_7.12_sien3_release.exe

Denco Limited

The application convertfilesforfree_7.12_sien3_release.exe by Denco Limited has been detected as adware by 5 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 vzbucket.appscion.com.
Publisher:
Denco Limited  (signed and verified)

MD5:
a4ce6876780764632acb7479cadb92df

SHA-1:
fe213d847b0a4451bc12b6d5e3de693ae518b09f

SHA-256:
383ef26002aa74a5e58bf1abbe71259550c7a60a62578e0fb432c408d2a3217b

Scanner detections:
5 / 68

Status:
Adware

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

Analysis date:
11/2/2024 7:24:41 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.W3i.44
9.0.1.0247

Malwarebytes
PUP.Optional.FastFreeConverter.A
v2014.09.04.07

Reason Heuristics
PUP.DencoLimited.f
14.9.4.18

Trend Micro House Call
TROJ_GEN.F47V0226
7.2.247

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

File size:
1.3 MB (1,338,400 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}\convertfilesforfree_7.12_sien3_release.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
9/29/2013 5:00:00 PM

Valid to:
9/30/2015 4:59:59 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 11:22:01 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:KNnhH8/mAZ2RK+jIn1Wh5sbix1Ot15JkBUUV/mcZ2RceSIVuW+:Kc/xZ+KkIYh6bixc4GUV/HZ+cfI3+

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:
7.9787

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file convertfilesforfree_7.12_sien3_release.exe has been seen being distributed by the following URL.

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