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microsoft toolkit.exe

Microsoft Toolkit

Software Assistant

The application microsoft toolkit.exe by Software Assistant 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 file has been seen being downloaded from get13.downloadworlds13.space.
Publisher:
Software Assistant  (signed and verified)

Product:
Microsoft Toolkit

Version:
3.0.0.157

MD5:
7e998ffbe185c51c9ef5722c39be85d6

SHA-1:
2032ce63b619b85fffc2f532f3deaf623e7b76d7

SHA-256:
8c8d04f33465bf2bb6c1a0cbf794708550909b08ae7217f4e13b06ae456803ba

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

Analysis date:
11/4/2025 5:17:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia (M)
16.7.25.21

File size:
1.1 MB (1,142,936 bytes)

Product version:
3.0.0.157

Copyright:
(c) Software Assistant

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

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

Digital Signature
Signed by:
Software Assistant

Authority:
Symantec Corporation

Valid from:
5/16/2016 6:00:00 AM

Valid to:
5/17/2017 5:59:59 AM

Subject:
CN=Software Assistant, O=Software Assistant, L=Newark, S=Delaware, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
5E20963D8600576BB605A10CBE45F3D8

File PE Metadata
Compilation timestamp:
1/30/2013 8:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:QxGnnyE9gcWOoKExK/g9+1g483hBfDlwLu6o+Jngj1+OnqWEJakH:1nzofU49eg4ExDSLQ5j5EJakH

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9699

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://get13.downloadworlds13.space/v2/click/nc2zon1u/?d=http://.../toolkit.exe&key=79f44da4f7a295cc7fbf4abc9ce2cab6808131e36c5300eeed4ad43dee3db228&sid=microsoft-toolkit.com&uid=&affiliate_image=http://.../32x32.png&product_image=http://.../325x85.png&n=Microsoft Toolkit&filename=Microsoft Toolkit

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