pdf readerinstaller.exe

Download Manager

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 pdf readerinstaller.exe by Download Manager 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 www.download-free.com.
Publisher:
Download Manager  (signed and verified)

MD5:
a4791574087b50d85075fb834e4c3ee5

SHA-1:
e22854c1d91367361d28e6d34771c30217eee417

SHA-256:
a27c8d6ebd5185916384452df2ae93a48301265e02bf8f4404bfc180aa7a1598

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:
4/23/2024 4:32:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadManager.Bundler (M)
16.2.13.19

File size:
507.4 KB (519,552 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

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

Digital Signature
Authority:
COMODO CA Limited

Valid from:
5/30/2012 8:00:00 PM

Valid to:
5/31/2016 7:59:59 PM

Subject:
CN=Download Manager, O=Download Manager, STREET=26 York Street, STREET=Westminster, L=London, S=London, PostalCode=W1U 6PZ, C=GB

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
19777BC7489D8203801D05ACE10DBEAC

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:GjZVF8miMQWz7YHnScisL+kLl25bwsd93PLJ8Agx:g5DoWz8ycNSkLlod3P9pgx

Entry address:
0x30600

Entry point:
60, BE, 00, C0, 42, 00, 8D, BE, 00, 50, FD, 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, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75...
 
[+]

Packer / compiler:
UPX 2.90LZMA

Code size:
20 KB (20,480 bytes)

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

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