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flash_update.exe

Internet

GERYON ADS SL.

The application flash_update.exe, “Internet Setup ” by GERYON ADS SL has been detected as a potentially unwanted program by 6 anti-malware scanners. The program is a setup application that uses the Inno Setup installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.toursvaultdl.com and multiple other hosts.
Publisher:
GERYON ADS SL.  (signed and verified)

Product:
Internet

Description:
Internet Setup

MD5:
172336973897999c73048f3f86441732

SHA-1:
8f53aa018f33ff6a59ef35662c125c3290e74ba3

SHA-256:
0316146ccf15e4213346063f96d08879216c7d0cbdd49e56e7538526601f74e0

Scanner detections:
6 / 68

Status:
Potentially unwanted

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

Analysis date:
11/25/2024 3:35:00 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2017.0.2858

Dr.Web
Trojan.InstallCore.1027
9.0.1.021

ESET NOD32
Win32/InstallCore.ABK potentially unwanted (variant)
10.12131

Reason Heuristics
PUP.installCore.GERYONADS.Installer (M)
16.1.21.0

Sophos
Install Core Click run software (PUA)
4.98

VIPRE Antivirus
InstallCore
43084

File size:
936.8 KB (959,248 bytes)

Product version:
1.5

Copyright:
Application

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\flash_update.exe

Digital Signature
Signed by:
GERYON ADS SL.

Authority:
GlobalSign nv-sa

Valid from:
12/17/2015 2:21:05 PM

Valid to:
6/23/2016 1:17:17 PM

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

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112181D069E2BE8A14952BA745AD05847F6F

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:pwuWn8Fr8VqQkjLw/DDOyADAs0tTaMywrFCWzkobiRS:pZW8yV7kXm1cgdaL2EW4oq

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 flash_update.exe has been seen being distributed by the following 3 URLs.

http://www.toursvaultdl.com/c?x=493ngpbF77axH74lm/g/pfwMVjTL4w Xxxk25mVpvRA=&c=Gei5FQ4sUwu s/u0wyPMfdtkTKi2hE5R07WPl0rwK29GetfjdCK4o7cSmZ5KPYghRKVGcHdE9DNPc4MqEhfSvLzQXibSd5R1rZr87WRIM1jLD9QddXZpIxwDmtRSjxZV&downloadAs=Flash_Update.exe&fallback_url=http://download.macromedia.com/get/flashplayer/current/licensing/.../install_flash_player_18_plugin.exe

http://www.megabitsapplication.com/c?x=TjBh2PfcxXSC9snk7DSjA /6 FfVXtNCeNWarnbYZpM=&c=Or3VXekZw0aLBJ8Apl uOyKXt933M9dDVrx2fOr5EK//EsGPsBp iMvGd/eexB9QmBxOydpwlp6Vz9sxK VuZ78C74sj5G7YFHhUTe4 zYPCRm7xSbKoBplctjdyM1DK&downloadAs=Flash_Update.exe&fallback_url=http://download.macromedia.com/get/flashplayer/current/licensing/.../install_flash_player_18_plugin.exe

http://www.capitalmetaupdate.com/c?x=NcNreGO0EwnZrSjTCREy2XJO8QRkmVZ6vtemLi4xe5U=&c=dQvxfb4ku1sPtPPI7AxbM/VY9 0JygKROeBJhTF2GeD8bqq85kqqorAu1Kx2lR87YVHD4i1yYvI96wZkoYmBMBXympT374jPgIDpF57GdIxGbIclr76V2C4nI4HEFIIL&downloadAs=Flash_Update.exe&fallback_url=http://download.macromedia.com/get/flashplayer/current/licensing/.../install_flash_player_18_plugin.exe

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