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flashplayer_installer.exe

Geryon Ads S.L.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application flashplayer_installer.exe by Geryon Ads S.L has been detected as adware by 3 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The installer is marketed through download protals and search ads as the free Adobe Flash Player but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Geryon Ads S.L.  (signed and verified)

MD5:
878a2a27ce242fb0b77d0372e7b127f2

SHA-1:
5c99b48a93dd1265490bcc3ce5a8b59d064235eb

SHA-256:
046f8764731e4c643afbf38840616db8e78534306134282c95b39fab7fecb070

Scanner detections:
3 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/8/2025 4:58:47 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.141030

ESET NOD32
Win32/InstallCore.QF (variant)
8.10628

Reason Heuristics
PUP.GeryonAdsSL.V
14.10.30.9

File size:
759.8 KB (778,016 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Turkish (Turkey)

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

Digital Signature
Signed by:
Geryon Ads S.L.

Authority:
Thawte, Inc.

Valid from:
6/16/2014 3:00:00 AM

Valid to:
6/17/2015 2:59:59 AM

Subject:
CN=Geryon Ads S.L., OU=IT, O=Geryon Ads S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
71F910550D2DD2713679787B12FF2EA0

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:1DvpukBJG8dkiSHAIQHbk3iRAMUcONLkSIdQAJfSKMWnOV8cr8byH6aLzdDQSUb8:1DvQK9Fi/QHIMpOPIdlJbBF6pzdDQLb8

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file flashplayer_installer.exe has been seen being distributed by the following 2 URLs.

http://softwaredll.biz/downloader/.../download_afp.php

http://appswin.net/.../flashplayer.php

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