adobe-reader-xi-21590-dp.exe

Internet Installer

dobreprogramy sp. z o.o.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application adobe-reader-xi-21590-dp.exe, “Internet Installer Setup ” by dobreprogramy sp. z o.o 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 installCore installer. The installer is marketed through download protals and search ads as Adobe's free Reader but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Application   (signed by dobreprogramy sp. z o.o.)

Product:
Internet Installer

Description:
Internet Installer Setup

Version:
3.0.2.1

MD5:
6e39e7dee55a422a6bf3489c60f4684a

SHA-1:
9d7d443a5b21d7c0e0feb19dede1df5902407954

SHA-256:
e9e8b19a242c5aeed0c9b0179de433375d71b5461466bf9853adb7cf00afbe17

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:
12/26/2024 10:04:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.dobreprogramyspzoo.Installer (M)
16.2.2.9

File size:
822.7 KB (842,424 bytes)

Product version:
5.8.8

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\adobe-reader-xi-21590-dp.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
2/20/2015 4:15:48 PM

Valid to:
2/21/2016 4:15:48 PM

Subject:
CN=dobreprogramy sp. z o.o., O=dobreprogramy sp. z o.o., L=Wroclaw, C=PL

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121E43E26D353CD92710BE588FC941CCD7E

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:ZdRskCE3IjmgulptgEqu44kraijqN8NTi:ZE3E3IjmgKptg/9rZqW2

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

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

Code size:
39.5 KB (40,448 bytes)

The file adobe-reader-xi-21590-dp.exe has been seen being distributed by the following URL.

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