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air4b39.exe

Adpeak, Inc.

This is the instaler for an an Adpeak program that shows ads in the browser without providing information about the ad's origin. Ads are injected as banners or text-links in random web pages. The application air4b39.exe by Adpeak 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.airdlr6.com.
Publisher:
Adpeak, Inc.  (signed and verified)

MD5:
d7fd9c9898881ce34f783f8ea2f78eea

SHA-1:
9299b39db7073f618df53bf2bf1411d4c53e0b0d

SHA-256:
51d9920a593e609682319c2275168e5030fe807f4d8e5467581f96f7c540dc0e

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Injects advertisements in the web browser in the form or banner ads and popups.

Analysis date:
11/5/2024 8:27:59 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.Adpeak
2015.0.3577

Bkav FE
W32.Clod147.Trojan
1.3.0.4613

Dr.Web
Adware.Downware.1720
9.0.1.031

ESET NOD32
Win32/AdWare.Adpeak (variant)
8.9190

herdProtect (fuzzy)
variant of ptnr_20131120.exe (Adware)
2014.4.5.18

K7 AntiVirus
Unwanted-Program
13.174.10656

Malwarebytes
PUP.Optional.Adpeak
v2014.01.31.07

McAfee
Artemis!6A87705D5C24
5600.7233

Reason Heuristics
PUP.Adpeak.H
14.8.7.17

Sophos
AdPeak
4.96

Trend Micro House Call
TROJ_GEN.F47V1121
7.2.31

VIPRE Antivirus
Adware.Adpeak
24866

File size:
541 KB (553,968 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\air4b39.exe

Digital Signature
Signed by:
Adpeak, Inc.

Authority:
DigiCert Inc

Valid from:
7/17/2013 5:00:00 PM

Valid to:
9/24/2014 5:00:00 AM

Subject:
CN="Adpeak, Inc.", O="Adpeak, Inc.", L=Sarasota, S=Florida, C=US

Issuer:
CN=DigiCert High Assurance Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0E4C86026B3F1F3BDBEDF4DA58E8FF09

File PE Metadata
Compilation timestamp:
7/14/2013 1:09:53 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:WiMO5C0cKDpdh4RphM6H/jpiQa/dFWmTzjFuV+u2nETUo89vHRnR+/p:SO5ncKDqR06Gl9TzjFEMvZR+/p

Entry address:
0x31DD

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 14, C7, 44, 24, 10, D8, A2, 40, 00, 89, 6C, 24, 1C, FF, 15, 34, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, 34, 81, 40, 00, 55, FF, 15, AC, 82, 40, 00, 6A, 08, A3, 58, 4F, 43, 00, E8, 95, 2E, 00, 00, A3, A4, 4E, 43, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, B8, B1, 42, 00, FF, 15, 7C, 81, 40, 00, 68, C0, A2, 40, 00, 68, A0, 3E, 43, 00, E8, 00, 2B, 00, 00, FF, 15, 38, 81, 40, 00, BB, 00, F0, 43, 00, 50, 53, E8, EE, 2A, 00, 00...
 
[+]

Entropy:
7.9724

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file air4b39.exe has been seen being distributed by the following URL.

http://cdn.airdlr6.com/downloads/offers/.../9D0EB5E9-CCC9-4360-B7CA-3E645650CC53.exe

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