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windows_8_update.exe

TODO:

File Verified

This is the InstallMetrix bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application windows_8_update.exe by File Verified has been detected as adware 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 InstallMetrix Software installer. The file has been seen being downloaded from filespot1.com.
Publisher:
TODO: <Company name>  (signed by File Verified)

Product:
TODO: <Product name>

Description:
Windows_8_Update

Version:
1.0.0.1

MD5:
0638144e7c7ccabd4263416be41f468b

SHA-1:
0e65dbb927fb2ae39031ca6c464e3661be8905cf

SHA-256:
30cabb3bb8e64f42e9a70b4e2a1d61ba29c826d1a34f1402fc3fd154e39468cb

Scanner detections:
1 / 68

Status:
Adware

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 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:
6/25/2025 6:12:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallMetrix (M)
16.8.11.5

File size:
1.8 MB (1,920,640 bytes)

Product version:
1.0.0.1

Copyright:
TODO: (c) <Company name>. All rights reserved.

Original file name:
installer.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
InstallMetrix Software

Language:
English (United States)

Common path:
C:\users\{user}\downloads\windows_8_update.exe

Digital Signature
Signed by:
File Verified

Authority:
COMODO CA Limited

Valid from:
10/9/2014 8:00:00 PM

Valid to:
10/10/2015 7:59:59 PM

Subject:
CN=File Verified, OU=File Verified, O=File Verified, STREET="660 4th Street, Suite 427", L=San Francisco, S=California, PostalCode=94107, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
3218B54F8331C296189D5EA9E74030ED

File PE Metadata
Compilation timestamp:
1/14/2015 4:38:17 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
49152:LTK9lxsaKWsoWwgmgLHfECth5MreZYk6Chvv8pHa:vK9rsaZs4gmgrfECtzTZYk6Chvv8p

Entry address:
0x120FDB

Entry point:
E8, 3B, 83, 00, 00, E9, 7F, FE, FF, FF, 3B, 0D, B0, A1, 59, 00, 75, 02, F3, C3, E9, 42, 06, 00, 00, 55, 8B, EC, 56, 8B, 75, 14, 85, F6, 75, 04, 33, C0, EB, 6D, 8B, 45, 08, 85, C0, 75, 13, E8, EF, 12, 00, 00, 6A, 16, 5E, 89, 30, E8, E1, 89, 00, 00, 8B, C6, EB, 53, 57, 8B, 7D, 10, 85, FF, 74, 14, 39, 75, 0C, 72, 0F, 56, 57, 50, E8, 3E, 61, 00, 00, 83, C4, 0C, 33, C0, EB, 36, FF, 75, 0C, 6A, 00, 50, E8, 0C, 18, 00, 00, 83, C4, 0C, 85, FF, 75, 09, E8, AE, 12, 00, 00, 6A, 16, EB, 0C, 39, 75, 0C, 73, 13, E8, A0...
 
[+]

Entropy:
6.5021

Code size:
1.3 MB (1,347,072 bytes)

The file windows_8_update.exe has been seen being distributed by the following URL.

http://filespot1.com/download.php?cid=1247&file=Windows_8_Update.exe&subid1=50flo&subid2=winupdate&subid3=advcm_adtric&subid4=RON_winupwhite&subid5=winup7_NoBrow_win7>67935-34x52x

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