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icreinstall_flash_update.exe

Installer

GERYON ADS SL.

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_flash_update.exe, “Installer Setup ” by GERYON ADS SL 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 cdn.whitedownloadpool.com and multiple other hosts. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Soft   (signed by GERYON ADS SL.)

Product:
Installer

Description:
Installer Setup

Version:
1.3.1.5

MD5:
4c92ecbab5ae015146bebc0e1a429ed8

SHA-1:
05e658c96548e79fa66928039d400109b605f883

SHA-256:
c31e786c24d363664572f8e10907358de8959de09f792d3978ebd7b12c57936c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

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:
11/25/2024 10:22:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.GERYONADS.Installer (M)
16.1.16.16

File size:
812.7 KB (832,216 bytes)

Product version:
3.5

Copyright:
Internet program

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_flash_update.exe

Digital Signature
Signed by:
GERYON ADS SL.

Authority:
GlobalSign nv-sa

Valid from:
6/23/2015 8:17:17 AM

Valid to:
6/23/2016 8:17:17 AM

Subject:
CN=GERYON ADS SL., O=GERYON ADS SL., L=Barcelona, S=Barcelona, C=ES

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

Serial number:
1121876A81F90DA17EC052D9EF4E5C681DCD

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:pUIh4wDx5bGnd4UVyjwbAk34ve7/p448NTd:p7ie5badwwOWe9R

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 icreinstall_flash_update.exe has been seen being distributed by the following 2 URLs.

http://cdn.whitedownloadpool.com/c?x=7fGkBSThIzOruvpkshOzxpvKBtRniIp8CUn0vHPo8zY=&c=85bNSDnxmkgaqKGsaZGZ24wh6nlU5aSfDohGFeObYp056py79/r977WcJDR1AUdKUGsrtROiKOe6dTyvtmmI17hpy8KWxdttj1RFfoWjn0/wQ2eGvqyiELCQGWOynuGftMVKnPJVkbwjAiUgyOv8Eg==&fallback_url=http://download.macromedia.com/get/flashplayer/current/licensing/.../install_flash_player_18_plugin.exe&downloadAs=Flash_Update.exe

http://cdn.whitedownloadpool.com/c?x=suZlJbjHA8ztxihW20IlFIgRjt2liz1QQe1I/7hGASE=&c=yxPZ7QQpy9uxxstfeY2xAZ POtgD1zOxEnArZxqT2SoXv49IFFfpWSihs6Up 61No9yBW/ xsX34BAwaLwa4vJtTD1oEZp7lBoelTNDlKnlcV zXVaJcngoatUclyuPvH4JPR4X5dLC6O9yqgA 8sw==&downloadAs=Flash_Update.exe&fallback_url=http://download.macromedia.com/get/flashplayer/current/licensing/.../install_flash_player_18_plugin.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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