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update.exe

Software Updater

Air Software

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application update.exe, “Software Updater ” by Air Software has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the AirInstaller Download Manager installer. The file has been seen being downloaded from appads.info.
Publisher:
AirInstaller   (signed by Air Software)

Product:
Software Updater

Description:
Software Updater

Version:
2.0.9.0

MD5:
f21a2bcef020add157209eda71a3b50c

SHA-1:
a837e4025c87a2b38dbc3de5343d4d0e1a1355ee

SHA-256:
20b8e8f318fa0e946d8e4a25bd7999435c0b870bc4a7535a20fd0e0e7f937f9a

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/5/2024 8:29:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.3.19.14

File size:
755.9 KB (774,056 bytes)

Product version:
2.0.9.0

Copyright:
(c) AirInstaller

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\update.exe

Digital Signature
Signed by:
Air Software

Authority:
VeriSign, Inc.

Valid from:
1/24/2013 7:00:00 PM

Valid to:
3/26/2015 7:59:59 PM

Subject:
CN=Air Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Air Software, L=Victoria, S=British Columbia, C=CA

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:
3AC786E09219DF82DA830E461D4FC39F

File PE Metadata
Compilation timestamp:
6/3/2014 5:32:37 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:x4H73i8fETZaEDSTiWLsvFhwf053cxwCV5m+Oz+LpfiNyzKornlIQgHMlWGR6w3f:xsji8MTrqinvFW1mylfbzKsIHekcaS

Entry address:
0x25C418

Entry point:
60, E8, 00, 00, 00, 00, 58, 05, 5A, 0B, 00, 00, 8B, 30, 03, F0, 2B, C0, 8B, FE, 66, AD, C1, E0, 0C, 8B, C8, 50, AD, 2B, C8, 03, F1, 8B, C8, 57, 51, 49, 8A, 44, 39, 06, 88, 04, 31, 75, F6, 2B, C0, AC, 8B, C8, 80, E1, F0, 24, 0F, C1, E1, 0C, 8A, E8, AC, 0B, C8, 51, 02, CD, BD, 00, FD, FF, FF, D3, E5, 59, 58, 8B, DC, 8D, A4, 6C, 90, F1, FF, FF, 51, 2B, C9, 51, 51, 8B, CC, 51, 66, 8B, 17, C1, E2, 0C, 52, 57, 83, C1, 04, 51, 50, 83, C1, 04, 56, 51, E8, 5E, 00, 00, 00, 8B, E3, 5E, 5A, 2B, C0, 89, 04, 32, B4, 10...
 
[+]

Entropy:
7.9358

Packer / compiler:
ASPack v1.08.04

Code size:
1.7 MB (1,733,120 bytes)

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

http://appads.info/.../rnd?entry=Please Update to Continue&exit=Please Install the Update Before Closing This Page&file=Update.exe&i=eyJ0IjoxNDAxODM4ODgzMTgwNDE1ODYxLCJjIjoiNTM4MzBlZGQ0YThhNDA1OTg4ZjhjZWE2IiwidSI6ImQyNWJmMzBmIiwiZSI6MC4wMDcsIjEiOiJ2OSAtIHBsZWFzZSB1cGRhdGUgdG8gY29udGludWUgLSBFeGl0In0=&on=&url=appads.info

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