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nvidia-hd-audio-driver.exe

App Program

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application nvidia-hd-audio-driver.exe, “App Program Setup ” by UpdateStar GmbH 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from www.purefoldercity.com.
Publisher:
UpdateStar GmbH  (signed and verified)

Product:
App Program

Description:
App Program Setup

Version:
3.5.4.8

MD5:
05b8e64dc94d2653e9481fcfbfb9dfa9

SHA-1:
04bc934eb01087c118ea9c461b0187177fae980e

SHA-256:
8d9a8dcbc17081488b5deb6daead245214879cc98d6203388e17ee98b6457f67

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
5/17/2024 4:49:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.1.6.10

File size:
975.5 KB (998,880 bytes)

Product version:
5.6

Copyright:
Installer app

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\nvidia-hd-audio-driver.exe

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
GlobalSign nv-sa

Valid from:
1/25/2016 1:35:00 PM

Valid to:
3/23/2017 5:24:09 PM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, L=Berlin, S=Berlin, C=DE

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

Serial number:
1121C7585A2F5B2218EC6B36D472BA6496D8

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

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 nvidia-hd-audio-driver.exe has been seen being distributed by the following URL.

http://www.purefoldercity.com/c?x=jr/0dN2bX0i4DI3pHXdF8myK3eMfrFXrqnck7wh0vuw=&c=EI8ruq3nrwUnAwn9/Exm O0iHUe42MbByqf5EogQkJiwdZ3L6f19G1xanhE/yC/PVE5gFyI3Mrg80E3CybvFzEHRiJzZqoBGU7PixKMj5XlVMhX7hMc0fobTjS/lOo4p&downloadAs=nvidia-hd-audio-driver.exe&fallback_url=http://us.download.nvidia.com/Windows/.../314.07-notebook-win8-win7-winvista-32bit-international-whql.exe

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