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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:
5e51fa33b0214d32ca187868b542f7ae

SHA-1:
599579e8b8f462a87cca93b6294c786004175151

SHA-256:
7f801d2a11d3aeb90b00b37811b69c4d8e2181fb422caf2fc2d09304125a0980

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 3:42:32 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2017.0.2848

Dr.Web
Trojan.InstallCore.1027
9.0.1.030

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

Reason Heuristics
PUP.installCore.GERYONADS.Installer (M)
16.1.30.18

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\temporary internet files\content.ie5\{random}\flash_update.exe

Digital Signature
Signed by:
GERYON ADS SL.

Authority:
GlobalSign nv-sa

Valid from:
12/17/2015 8:21:05 AM

Valid to:
6/23/2016 7:17:17 AM

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:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:owuWn8Fr8VqQkjLw/DDOyADAs0tTaMywrFCWzkobiRS:oZW8yV7kXm1cgdaL2EW4oq

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...
 
[+]

Entropy:
7.9347

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 2 URLs.

http://www.toursvaultdl.com/c?x=q4fqEcjMArU3ujlBbLMYahEZgCA r/Ixp//BPiVjMZE=&c=ZrCqCwsITZGz5rzocbJOmA W/tBXrs6f1/zRLbQiTk9JyUj1d/6Nfw8xhbOE7OqFCYFrB b2sdLOT Bepw6J/C2DOvxAo6FoA/xEUu xMHm5Oq63qBbu2pbCHRW67gvuDRI4VkqQfUTJeMJwcRwrEYvV1an1TLApTXlb3tFL67M=&downloadAs=Flash_Update.exe&fallback_url=http://download.macromedia.com/get/flashplayer/current/licensing/.../install_flash_player_18_plugin.exe

http://www.sharedownloadsbits.com/c?x=kYVy5d3IbXV1EFmJ6/pfqHtBb1bNAWI1Fet2fDjiYnU=&c=xtoaHvI1BIPEk90Po14JXKElURNGKyKu4Pb3lPMJvYqOmdvcc2StYwZ1g3cJTlWLFO7QC0UzPOjq8qAWHkDQCkduyE4zfSpY99yHNLFQEo/liTz/jRJgBtElNyqHGsFt4Ey7sha6u dEJAGjbp4eKg==&downloadAs=Flash_Update.exe&fallback_url=http://download.macromedia.com/get/flashplayer/current/licensing/.../install_flash_player_18_plugin.exe

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