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air1ee0.exe

Denco Limited

The application air1ee0.exe by Denco Limited has been detected as adware by 9 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from cdn.airdlr9.com.
Publisher:
Denco Limited  (signed and verified)

MD5:
5a81c5fb344fdde6746f13aac76b354c

SHA-1:
b3fed16101851980dbac6b2e4e6ae62fd1b79e4f

SHA-256:
dbba636c2207ee540f1906188c3c64ebe74aa33e9a3aa3aca56b401525b07159

Scanner detections:
9 / 68

Status:
Adware

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

Analysis date:
12/24/2024 4:14:10 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Dencol
2015.0.3267

Dr.Web
Adware.W3i.44
9.0.1.0341

ESET NOD32
MSIL/FileTypeHelper
8.10657

F-Prot
W32/A-77a4fa28
v6.4.7.1.166

Malwarebytes
PUP.Optional.FastFreeConverter.A
v2014.12.07.07

NANO AntiVirus
Trojan.Win32.Generic.dbxktu
0.28.6.62995

Reason Heuristics
PUP.DencoLimited.H
14.12.7.19

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.3

VIPRE Antivirus
Montiera
34448

File size:
1.3 MB (1,340,448 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\air1ee0.exe

Digital Signature
Signed by:
Denco Limited

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:BxKdbEar/mAZ2RK+jIn1Wk5sbiUmDZWlf/+Nt5Jk7/mOZ2RqsYIDeWw:BgdwK/xZ+KkIYk6biUmDZ+f/f7/5Z+qL

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 air1ee0.exe has been seen being distributed by the following URL.

http://cdn.airdlr9.com/downloads/offers/.../FastFreeConverter_6.24_airinstallnew2_release.exe

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