air9f1d.exe

Green Fire Software

The software will display additional offers (such as adware) during installation including a browser toolbar/extension as well as advertising injection software (part of the Injekt brand). The application air9f1d.exe by Green Fire Software has been detected as adware by 12 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.airdlr10.com.
Publisher:
Green Fire Software  (signed and verified)

MD5:
83f6e4ae726bfbbc5935059946b1ffec

SHA-1:
4064ca51e55cb0f21ad620067ca4c4381f580130

SHA-256:
34e7dfaa05a6223cd084050c2e07cfd6c351d13ed5cb5ac9f858d9a399b126ea

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
4/24/2024 12:58:10 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.PullUpdate
7.1.1

Avira AntiVirus
ADWARE/Adware.Gen
7.11.163.164

Comodo Security
ApplicUnwnt
18948

ESET NOD32
MSIL/Adware.PullUpdate
8.10142

Fortinet FortiGate
Adware/PullUpdate
7/27/2014

Malwarebytes
PUP.Optional.MovieMaster.A
v2014.07.27.12

McAfee
Artemis!83F6E4AE726B
5600.7056

NANO AntiVirus
Riskware.Win32.Agent.dbyfjc
0.28.2.60990

Reason Heuristics
PUP.GreenFireSoftware.H
14.7.27.11

Sophos
Generic PUA IF
4.98

Trend Micro House Call
Suspicious_GEN.F47V0715
7.2.208

VIPRE Antivirus
MSIL.Adware.PullUpdate
31532

File size:
3.8 MB (3,991,192 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\air9f1d.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
9/19/2013 5:00:00 PM

Valid to:
9/20/2014 4:59:59 PM

Subject:
CN=Green Fire Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Green Fire Software, L=La Jolla, S=California, C=US

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:
38E34FCC0FDD5E91FD5048A198AAABF1

File PE Metadata
Compilation timestamp:
6/6/2009 2:41:48 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:wYMQwoNscAy8Pzeg6xIryB8y4LLPV41M+VtIIEo6Hn9+HZ/bzueMQwoNs:wTQHscARuxIVy4XPmNIPXwHFOBQHs

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:
7.9782

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file air9f1d.exe has been seen being distributed by the following URL.

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