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adobe_reader_setup.exe

Secure Installer

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application adobe_reader_setup.exe by Secure Installer has been detected as a potentially unwanted program 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 installCore installer. The file has been seen being downloaded from downloader.downloadinfo.co a known adware distribution point operated by Downloadinfo.
Publisher:
Secure Installer  (signed and verified)

MD5:
e49fffcba5bcaa37576162693be4f7ea

SHA-1:
196d3ee17b919245040e6dab90cfa948bcb671bf

SHA-256:
e6fe9971cbe9ba311512328d80e2216e558a4b88044d679c3a5154d4334bb0ee

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
4/19/2024 8:38:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.SecureIn.Installer (M)
16.6.20.9

File size:
603.1 KB (617,608 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Secure Installer

Authority:
COMODO CA Limited

Valid from:
9/24/2012 8:00:00 PM

Valid to:
9/25/2013 7:59:59 PM

Subject:
CN=Secure Installer, O=Secure Installer, STREET=720 Market Street, STREET=5th floor, L=San Francisco, S=CA, PostalCode=94102, C=US

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

Serial number:
00C3507C1ADDE6B4C52E5426990F85CA2B

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:WCyMJfsFJHCmVDYUGr3gHRV0k+Ts+MleJ3RddPbrwDUUfezUImxQK7:WCyMJfsHi0YLr3gA8le/PnwDr2zc

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.7524

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

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

http://downloader.downloadinfo.co/download.php?id=77bd804c3a2ba4cc210feeba5c5d5d5f2830e5b0&z=0&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMjYiLCJ1X2lkIjoiZGlfNTFiNzE1NzUzNzliMjcuNTk4MjU3MzYiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjE2Iiwic3BfaWQiOiIwMDA0LTAwMDAiLCJ0cyI6MTM3MDk1MzA3Nywia3ciOiJhZG9iZSByZWFkZXIiLCJjdSI6ImFkb2JlIHJlYWRlciIsImNhIjpudWxsfQ==

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