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sumatra_pdf_setup.exe

Sumatra_PDF

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 sumatra_pdf_setup.exe by Air Software has been detected as adware by 2 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer. The file has been seen being downloaded from files.freedownloaders.net.
Publisher:
AirInstaller  (signed by Air Software)

Product:
Sumatra_PDF

Version:
1.0.0.8

MD5:
9bacc1e5cffc71b1d166beb8acb2a7fc

SHA-1:
82d08fd842aa4882c91821b110c02fe13522047e

SHA-256:
a3faef7628def2e6acbd05cff85507527f9d23cbcbf9a80a292bd4e0bf3c7e4b

Scanner detections:
2 / 68

Status:
Adware

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 5:15:16 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.103
9.0.1.0295

Reason Heuristics
PUP.Air Software.AirSoftware.Bundler (M)
15.10.22.17

File size:
168.6 KB (172,616 bytes)

Product version:
1.0.0.8

Copyright:
(c) AirInstaller. All rights reserved.

Original file name:
Launcher.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Air Software

Authority:
COMODO CA Limited

Valid from:
6/26/2011 8:00:00 PM

Valid to:
6/26/2012 7:59:59 PM

Subject:
CN=Air Software, O=Air Software, STREET=185-911 Yates St., STREET="Suite #327", L=Victoria, S=BC, PostalCode=V8V4Y9, C=CA

Issuer:
CN=COMODO Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00C3BFAFF5374660A208126E655CBD3E13

File PE Metadata
Compilation timestamp:
11/18/2011 2:15:45 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:BU5IWnbW3rvENIvvHfZUsta4oKcrGKrXGHNhJ/krSA1eit9Rty/6X2QBug7lnYsy:Shi3DETgoKmGKr2HF/pP8vt2QMKlZy

Entry address:
0x75800

Entry point:
60, BE, 00, F0, 44, 00, 8D, BE, 00, 20, FB, FF, 57, EB, 0B, 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, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Entropy:
7.8215

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
156 KB (159,744 bytes)

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

http://files.freedownloaders.net/.../Sumatra_PDF_setup.exe

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