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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 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.
Publisher:
AirInstaller  (signed by Air Software)

Product:
Sumatra_PDF

Version:
1.0.3.3

MD5:
7bf6ae61ebb024f258da99a41e2d6a7f

SHA-1:
7c818170d0b808a48eaff368005b5f940c8e7e07

SHA-256:
32b32c6b47b434be2fb697562d18fd7180c38a66f61fb5be55227a03a94b9a4a

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/20/2024 2:55:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.11.14.0

File size:
204.1 KB (208,968 bytes)

Product version:
1.0.3.3

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 7:00:00 PM

Valid to:
6/26/2012 6:59:59 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:
2/22/2012 2:55:18 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:JQriKeEp51d2pm1NEO7W8uLrqCAAJpVdzLHn4Kc5GA:GrIw1dSwisOuxAbFH4bgA

Entry address:
0x926E0

Entry point:
60, BE, 00, 30, 46, 00, 8D, BE, 00, E0, F9, 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:
7.8524

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

Code size:
192 KB (196,608 bytes)

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