air4a7c.exe

The application air4a7c.exe has been detected as a potentially unwanted program by 14 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from downloadnow1.com and multiple other hosts.
Version:
1.11222.11306.10555

MD5:
be1e8640e8b01c1240ceff12af0306cb

SHA-1:
c428c2918b1093bdcbfab636b74d5d00aba0207f

SHA-256:
4eac93c5ca1d6107b2647d3372850cdcee951c49137b0aa1fff3dd5f3f5207a0

Scanner detections:
14 / 68

Status:
Potentially unwanted

Analysis date:
5/15/2024 10:11:38 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADSPY/AdSpy.Gen
7.11.125.140

Baidu Antivirus
HackTool.Win32.Downloader
4.0.3.1413

Dr.Web
Adware.Downware.1235
9.0.1.03

ESET NOD32
NSIS/TrojanDownloader.Agent.NOD
8.9301

K7 AntiVirus
Trojan-Downloader
13.175.10867

Kaspersky
not-a-virus:Downloader.Win32.Agent
14.0.0.4523

McAfee
Artemis!BE1E8640E8B0
5600.7262

Norman
Suspicious_Gen4.FONJK
11.20140103

Rising Antivirus
NS:Malware.Install!1.9F62
23.00.65.14116

Sophos
Generic PUA ME
4.96

Trend Micro House Call
TROJ_GEN.R0CBC0OLR13
7.2.3

Trend Micro
TROJ_GEN.R0CBC0OLR13
10.465.03

Vba32 AntiVirus
Downloader.Agent
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
25500

File size:
286.5 KB (293,407 bytes)

Product version:
1.11222.11306.10555

Copyright:
(C) 122213060555

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\air4a7c.exe

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:Ee34fgKpSYc75+ZPPfnE2Qyn2LdazTH6N0tkl3KKJDvQQ9+AAD6aO0HY:SPSZF+ZPPfnEUnKdafO0Md2eaOP

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8370

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file air4a7c.exe has been seen being distributed by the following 2 URLs.

http://downloadnow1.com/sono/.../compete.exe

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