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download_manager.exe

Download Manager

Air Software

It uses the Air Installer distribution platform (a pay-per-install monetization download manager) to bundle unwanted software such as adware and browser toolbars during setup. The application download_manager.exe, “Download Manager ” 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 nym1.b.adnxs.com.
Publisher:
AirInstaller   (signed by Air Software)

Product:
Download Manager

Description:
Download Manager

Version:
2.0.4.90

MD5:
66916697620217dc3aafd85c051f5b13

SHA-1:
fa343c60eff1e8fdc107b92857320f5899d33dd9

SHA-256:
fe7fcd7ebcc48740797d0fbf27e06f991d0094892819366cfdb153fb31935d15

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/20/2024 1:38:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.6.8.16

File size:
841.4 KB (861,608 bytes)

Product version:
2.0.4.90

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\download_manager.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:
2/3/2014 7:34:06 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:BG1xYRdKrGbrpn7MfIADp0nD9MJWXlw6uap2FtNskAb/Jra+AUndjheVQSYgjij:B+OdEKr1MfhD8sWLpAtNibEpUnGVQ3Pj

Entry address:
0x2670D0

Entry point:
60, BE, 00, 40, 5A, 00, 8D, BE, 00, D0, E5, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.8856

Packer / compiler:
UPX 2.90LZMA

Code size:
784 KB (802,816 bytes)

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

http://nym1.b.adnxs.com/click?yuAoeXWO7T_K4Ch5dY7tP1K4HoXrUfA_yuAoeXWO7T_K4Ch5dY7tPzSqtsH9V_4tHYUbkf3-NGD-UPFSAAAAAHLJIAB2AgAAdgIAAAIAAADyKbMAdvEEAAAAAQBVU0QAVVNEAFABGAGBMQAAzaYAAgQCAQIAAIwAyCvmZQAAAAA./cnd=!aQdeRgj866sBEPLTzAUY9uITIAQ./referrer=http://adsdelivery1.com/ads?v=1&key=91e6315520fa3935d8af4d611e732771&ch=72&click=&tz=-5&t=1391546621541&cp.str1=com&cp.str2=printablecouponcode&cp.str3=undefined&cp.str4=undefined&cp.host=printablecouponcode.com&scrWidth=1366&scrHeight=768/clickenc=http://adsdelivery1.com/cr?b=457&p=183&ch=72&cps=&c=63&l=US&h=20e7ae2be1e8fe0a2594268d497b6ac1&t=1391546621764&u=http://.../?a=200518&oc=2760&c=23210&s2=nym1CJ2K7ojZ37-aYBACGLTU2o3c_5X_LSIOMTg0LjU3LjExMy4xNzMoATD-ocWXBQ..&subid=2148722

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