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Fast.EXE

Super Fast User Switcher

Lou Amadio

It runs as a separate (within the context of its own process) windows Service named “InteractiveLogon”.
Publisher:
Microsoft Corporation  (signed by Lou Amadio)

Product:
Microsoft® Windows® Operating System

Description:
Super Fast User Switcher

Version:
5.1.3557.0 (Lab06_DEV(lamadio).010927-0921)

MD5:
50b68b621546c5ab90b5f2ca6128b211

SHA-1:
38725ceace58a8283db9f07076ed90834d830a16

Scanner detections:
1 / 68

Status:
Clean  (1 probable false positive detection)

Explanation:
This is mosty likely a false positive detection, the file is probably clean.

Analysis date:
4/19/2024 2:30:29 AM UTC  (today)

Scan engine
Detection
Engine version

Prevx
Heuristic: Suspicious Self Modifying File
3.0.12

File size:
48.1 KB (49,216 bytes)

Product version:
5.1.3557.0

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
Fast.EXE

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Windows\System32\fast.exe

Digital Signature
Signed by:
Lou Amadio

Authority:
Microsoft

Valid from:
2/16/2001 11:42:02 PM

Valid to:
2/16/2002 11:42:02 PM

Subject:
CN=Lou Amadio

Issuer:
CN=Microsoft Windows VBL03 (DS), OU=Distributed Systems and Services, O=Microsoft, L=Redmond, S=WA, C=US, E=ntsbvt@microsoft.com

Serial number:
030E7FD7000000003F19

File PE Metadata
Compilation timestamp:
10/2/2001 6:58:07 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.0

Entry address:
0x30F1

Entry point:
6A, 70, 68, 40, 15, 00, 01, E8, EB, 01, 00, 00, 33, DB, 53, 8B, 3D, A4, 10, 00, 01, FF, D7, 66, 81, 38, 4D, 5A, 75, 1F, 8B, 48, 3C, 03, C8, 81, 39, 50, 45, 00, 00, 75, 12, 0F, B7, 41, 18, 3D, 0B, 01, 00, 00, 74, 1F, 3D, 0B, 02, 00, 00, 74, 05, 89, 5D, E4, EB, 27, 83, B9, 84, 00, 00, 00, 0E, 76, F2, 33, C0, 39, 99, F8, 00, 00, 00, EB, 0E, 83, 79, 74, 0E, 76, E2, 33, C0, 39, 99, E8, 00, 00, 00, 0F, 95, C0, 89, 45, E4, 89, 5D, FC, 6A, 02, FF, 15, B8, 12, 00, 01, 59, 83, 0D, E8, 60, 00, 01, FF, 83, 0D, EC, 60...
 
[+]

Developed / compiled with:
Microsoft Visual C++ v7.1

Code size:
18.5 KB (18,944 bytes)

Service
Display name:
InteractiveLogon

Description:
Allows the Super-Fast User Switcher to log in a user

Type:
Win32OwnProcess

Depends on:
TermService


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