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.
Publisher:
Download Manager  (signed and verified)

MD5:
ffcf30b509f4beda1832dc099abee683

SHA-1:
a5bd9b0b7ca7b6f7f36587588ab2c83978830d21

SHA-256:
6edf3d30ee852f6c17ae288a89a8e3cbd1c8275ff571af9c02a6158c73679082

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 7:13:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadManager.Bundler (M)
16.1.25.22

File size:
504.4 KB (516,528 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:
The USERTRUST Network

Valid from:
5/26/2011 5:00:00 PM

Valid to:
5/26/2012 4:59:59 PM

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

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
7A29EA7E77DAC7B65FC20ECCCB2D8A3C

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Zjo27y2bvwKqDCNwRvEnG0zrcD1IlC9DPzYBM4:ZwYon5EG0fuG27YBd

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...
 
[+]

Entropy:
7.9954

Packer / compiler:
UPX 2.90LZMA

Code size:
20 KB (20,480 bytes)

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