KMSAuto security and file verification

Current release data

Fields marked not published yet have not been verified against the served archive. They are left empty on purpose rather than filled with a plausible-looking value.

1. Calculate a SHA-256 hash yourself

A checksum is the only thing that identifies one exact build. It costs nothing to compute and needs no extra software on Windows:

# Windows PowerShell
Get-FileHash .\OFFICIALKMSAUTO_AIO.cmd -Algorithm SHA256

# Windows Command Prompt
certutil -hashfile OFFICIALKMSAUTO_AIO.cmd SHA256

# Linux / macOS
sha256sum OFFICIALKMSAUTO_AIO.cmd   # macOS: shasum -a 256 OFFICIALKMSAUTO_AIO.cmd

2. Compare it against a published value

Compare the full 64-character string, not the first few characters, and read it from a source that is not the download page itself where possible. Practical rules:

• Hashes are case-insensitive but position-sensitive — one differing character means a different file.
• If no reference value has been published for a build, the hash cannot prove anything about origin. It is still worth recording: keep your own hash so you can tell whether a later download differs.
• A reference value published on the same page as the file only protects against transfer corruption, not against a modified upload. Independent copies of the value are what make the comparison meaningful.

No reference checksum is published for the current archive yet — the table above says so rather than showing a plausible-looking value.

3. Inspect file metadata before running anything

Metadata will not tell you whether a file is safe, but it does reveal mismatches worth stopping for: an archive whose contents differ from the description, an unexpected executable, or a digital signature that does not exist.

# Read the script itself — it is plain text
notepad OFFICIALKMSAUTO_AIO.cmd

# Size, timestamps, and Mark-of-the-Web zone data
Get-Item OFFICIALKMSAUTO_AIO.cmd | Format-List *
Get-Content OFFICIALKMSAUTO_AIO.cmd -Stream Zone.Identifier

# Authenticode signature status of an extracted executable
Get-AuthenticodeSignature .\extracted\tool.exe | Format-List *

A NotSigned result is normal for this class of tool and is not by itself evidence of tampering; a signature naming an unrelated publisher is a reason to stop.

4. Use independent scanning services

Upload the archive to a multi-engine service and read the report yourself rather than trusting a summary. Widely used options include VirusTotal, Hybrid Analysis and Joe Sandbox. Two things matter more than the detection count:

• Search by hash first. If a report already exists for your exact hash, you can see how the same file was classified over time by many engines.
• Read behavioural output — network destinations, dropped files, scheduled tasks, registry writes — because that describes what the file actually does, unlike a label.
• Uploading makes the file public on most services. Never upload anything containing personal data.

5. Interpret detections carefully

• Detections are categories, not verdicts. Labels such as HackTool:Win32/AutoKMS, PUA or Riskware describe a behaviour class: software that modifies licensing state. They fire on activation tooling by design.
• A clean scan proves nothing either. Engines miss new or repackaged files, and a report is only about the exact bytes that were uploaded.
• Vendor disagreement is expected. Wide disagreement on a generic label is normal; agreement on a specific family name (a stealer, a miner, a loader) is a genuine warning.
• Treat it as untrusted code regardless. Run it in a VM or on a machine you can rebuild, take a restore point, and never disable protection permanently.

After activation, check the licensing state with Windows' own tooling instead of trusting a tool's own output — see the slmgr command reference and ospp.vbs commands for Office. For the download itself, see the download page and the FAQ.

Understanding antivirus detections

KMS activators change licensing state, install a local KMS emulator or patch Office licensing libraries. Those behaviours match generic heuristics, so engines label them HackTool, PUA or AutoKMS. That classification is about behaviour category, not about a hidden payload — and equally, an absent detection is not proof of a clean file. Treat any activator as untrusted code: run it in a VM first if the machine matters, and never disable protection permanently.

Related reading: what the safety question actually depends on and frequently asked questions.

Release history

No earlier releases have been documented with verified data yet. Historical entries will appear here once version, date and checksum are confirmed for each archive.

Security FAQ

Why does Windows Defender flag KMSAuto?

Defender reports most KMS activators under generic names such as HackTool:Win32/AutoKMS or HackTool:Win32/Keygen. These are policy detections for software that modifies Windows licensing state, not evidence that a specific file contains a payload. A generic detection also does not prove a file is clean — it only tells you the engine matched a category rule.

Does a clean scan mean a file is safe?

No. Antivirus scans are one weak signal. A file can pass every engine and still be modified. The only thing that identifies a specific build is its cryptographic hash, compared against a hash published by whoever built it.

How do I check a SHA-256 checksum myself?

Open PowerShell in the folder containing the archive and run: Get-FileHash .\OFFICIALKMSAUTO_AIO.cmd -Algorithm SHA256. Compare the output with the published value character by character. If no published value exists, the download cannot be verified.

Is KMS activation legal?

KMS is a genuine Microsoft volume-activation protocol intended for organisations that own volume licences. Using an activator to bypass licensing on a machine you do not have a licence for breaches the Microsoft Software Licence Terms. This site documents how the technology works; licensing compliance is the user's responsibility.

What does this site not claim?

It does not claim any build is malware-free, audited, signed, or endorsed by Microsoft or any security vendor. Where a verifiable fact — a checksum, a release date, a scan permalink — has not been published, the page says so instead of filling the gap.