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setup_adobe_reader.exe

Adobe Reader

Download Assistant

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 setup_adobe_reader.exe by Download Assistant 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 files.1download.io.
Publisher:
Download Assistant  (signed and verified)

Product:
Adobe Reader

Version:
3.0.0.87

MD5:
010accf31dd0016570905e134f6a2219

SHA-1:
3f6408558204563676e48de8e4bf34f8de4d6d23

SHA-256:
cd7ee42788d98c2900488cf02bde66ba224fff3c85fdf7254cc8112959ffa083

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:
11/4/2024 5:13:49 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.4.5.20

File size:
844.7 KB (864,944 bytes)

Product version:
3.0.0.87

Copyright:
(c) Download Assistant

Original file name:
setup_adobe_reader.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/15/2015 7:00:00 PM

Valid to:
2/16/2016 6:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
3/19/2015 10:21:06 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:l10OYgvTYSq/+u2WfaqxeC5O8Luw5BQHVSsGUYRiWvLFXK37HsCNBX6Wd2DYs:l1AS8J2qgC5OfwvXi2VK3Jx6Wbs

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 90, 47, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0516

Developed / compiled with:
Microsoft Visual C++

Code size:
478.5 KB (489,984 bytes)

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

http://files.1download.io/.../download_adobe_reader.php?tr=b&flag=us&cid=294251333.1426774831&prd=

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