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Verdict Suspicious

Analyzed , 5 hours ago

Is TBOKwinOptimizer.bat safe? Treat it as suspicious.

A Windows optimizer batch script first seen on Oct 24, 2026, with no antivirus detections, but its system changes were never inspected and it has little history.

Read the whole reasonShow less

Why Suspicious? One of our detection rules matched it; nothing else confirms it.

Limited evidence · One sign points to a problem; nothing else confirms it.

Don't run it until you know where it came from

Review the script in a text editor and create a restore point before running it, and only run it if you trust its source. Keep your antivirus and Windows security protections enabled at all times.

What to do now5 steps

Some signs point to a problem, but nothing confirms it is harmful. Treat it with caution.

What to do

  1. Don't run it unless you're sure where it came from.

  2. Check where you got it: an unexpected attachment, a link someone sent you or a re-upload is a red flag.

  3. If you can't confirm where it came from, delete it. If you need the program, download it again from the publisher's own website.

  4. It is only 1 day old. If you're unsure, scan it again in a few days; antivirus engines often catch up on new files.

If you already ran it

  1. Stop using it, run a full scan with your antivirus and watch for unexpected behavior or security alerts.

Not sure what to do?

Ask the MalwareTips community before you run it. If you already ran it, follow the cleanup guide.

Paste this report's link in your topic so helpers can see what was found.

Why we think so

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TBOKwinOptimizer.bat: Suspicious — MalwareTips file scan

The link always shows the latest result for this exact file (its SHA-256 fingerprint).

Antivirus results

0 of 61 flagged

  • Flagged 0
  • No detection 61
  • No result 14
FileTBOKwinOptimizer.bat210.4 kBSHA-256 6c0d8e53ec04…58597a
  • Code signing Not applicable
  • Test run Completed
  • First seen 1d ago
1 strong detection rule matched this file.

Chapter 02

Why we think so

3 points against it and 2 in its favour, checked against the scan evidence.

MT AI Engine · Verdict analysis

The reasoning behind this verdict

Analyst conclusion

None of the 61 antivirus engines that checked it flagged this batch script, and the sandbox runs showed no high-risk activity. Its contents were never inspected, though, and it has little submission history. Optimizer scripts can make broad system changes, so the evidence is too thin to call it safe.

Where this verdict could be wrong2 caveats
  • One of our behaviour rules linked the script's call to a system filter-management tool with privilege-escalation tricks, but that tool is widely used by scripts simply to check for administrator rights.
  • No engine flagged the file, which points toward a benign tweaking script.

These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.

6 sources checked · 5 complete · 1 not needed or not applicable. See every source

Chapter 03

What it did in our test

It ran in 2 isolated tests; no test environment rated what it did as risky.

Test run summary

Capture complete
  • 2isolated sandbox runs
  • 22sandbox rule tags
  • 15spawned processes
  • 0network contacts
  • 15filesystem & mutex artifacts

What the test run showed

What the file did on a test computer

Confirmed in the test run

  • Moderate concern: Contains packed or scrambled code that is harder to inspect (common in installers too).

  • Moderate concern: Ran commands or a script on the test computer.

  • Note: Read the user name of the test computer.

  • Note: Listed the programs running on the test computer.

  • Note: Read basic details of the test computer, such as its Windows version.

  • Note: Looked through folders on the test computer (most installers do this).

  • Note: Loaded extra code modules while running.

Sandbox labels we could not confirm (common in safe files too)

  • Not confirmed: A sandbox rule tagged this run as code injection, but no injected program was recorded.

  • Not confirmed: A sandbox rule tagged this run as contacting a server, but no contacted host was recorded.

  • Not confirmed: A sandbox rule tagged this run as downloading a file, but no download was recorded.

  • Not confirmed: A sandbox rule tagged this run as weakening security settings; no setting change was recorded.

This file was run on a test computer (a sandbox), not on yours. Labels we could not confirm are listed so you can see them, but they are not treated as evidence against the file.

Recorded behavior

What happened in the test

Grouped by step. The order is not a timeline.

Seen in the test runWorked out from other results

  1. Input file

    The submitted object

    1
    1. Evidence 1 of 5: FileSeen in the test run

      TBOKwinOptimizer.bat

      6c0d8e53ec040ca8b5440198878bee20bd5fc6a8e83d3309b442044b9158597a

      Uploaded file

  2. Processes

    What ran

    2
    1. Evidence 2 of 5: ProcessSeen in the test run

      fltMC.exe

      C:\Windows\System32\fltMC.exe "C:\Windows\System32\fltmc.exe"

      Test run
    2. Evidence 3 of 5: ProcessSeen in the test run

      wmiprvse.exe

      C:\Windows\sysWOW64\wbem\wmiprvse.exe -Embedding

      Test run
    3. +1 more recorded observation

  3. Files

    Created or changed

    2
    1. Evidence 4 of 5: Written fileSeen in the test run

      StartupProfileData-NonInteractive

      C:\Users\<USER>\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Test run
    2. Evidence 5 of 5: Written fileSeen in the test run

      powershell.exe.log

      C:\Users\<USER>\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Test run
    3. +1 more recorded observation

5 facts from the test run. See the full activity list.

Chapter 04

Technical details

None of the 61 antivirus engines that checked it flag it.

Sources checked

Every check behind this verdict

6 sources checked · 5 complete · 1 not needed or not applicable. Complete means the check returned a usable result; it does not mean the file is safe.

SourceStatusResultChecked
Antivirus enginesVirusTotal · 75 enginesCompletePositive signal: 0 of 61 engines flagged it · 14 gave no result Details for antivirus engines
Sandbox runVirusTotal sandboxes · CAPE Sandbox, ZenboxComplete2 runs, no sandbox verdict recorded Details for sandbox run
Contacted hostsMalwareTips URL scannerNot neededThe sandbox recorded no contacted hosts to checkNo date recorded
Signature rulesYARAify community rules + MalwareTips rulesCompleteRisk signal: 2 MalwareTips behaviour rules Details for signature rules
Malware sample databaseabuse.ch MalwareBazaarCompleteNot listed
Known-software referenceCIRCL hashlookupCompleteNo match

File fingerprint

Last analyzed
Oct 26, 2026, 7:10 AM UTC
SHA-256
6c0d8e53ec040ca8b5440198878bee20bd5fc6a8e83d3309b442044b9158597a
SHA-1
3417b822cf5438197de6db634cb48ec495ba097b
MD5
929cae8f91da78eddaa018798809bbeb

About this file

TBOKwinOptimizer.bat is a DOS batch file file of 210.4 kB.

Type and size
DOS batch file · 210.4 kB
Signer
Not applicable
First seen
Oct 24, 2026On VirusTotal.
Submitted by
12 distinct sources

First scanned

Chapter 05

Questions & answers

Short answers to the 6 questions people ask most about this file.

Is TBOKwinOptimizer.bat safe, or is it malware?
TBOKwinOptimizer.bat is rated Suspicious: some signs point to a problem, but nothing confirms it is harmful. No antivirus engine flags it; the caution comes from other evidence, such as who made it, how widely it is used or what it did in a test run. Don't run it unless you're sure where it came from. If you need the program, download it again from the publisher's own website.
What is TBOKwinOptimizer.bat?
TBOKwinOptimizer.bat is a batch script, about 210.4 kB. VirusTotal first saw it on Oct 24, 2026.
How many antivirus engines detected TBOKwinOptimizer.bat?
None of the 61 antivirus engines that checked it flag TBOKwinOptimizer.bat. A clean antivirus result is not proof of safety; the caution comes from other evidence, such as who made it, how widely it is used or what it did in a test run.
I already downloaded and ran TBOKwinOptimizer.bat — what should I do?
No infection is confirmed: the rating is a caution, not a malware finding. 1) Check where it came from. If you can't confirm the source, delete it. 2) Run a full scan with your security software. 3) If the scan finds something, follow its removal steps and change passwords you typed on the device since then.
What is the SHA-256 hash of TBOKwinOptimizer.bat?
The SHA-256 fingerprint of TBOKwinOptimizer.bat is 6c0d8e53ec040ca8b5440198878bee20bd5fc6a8e83d3309b442044b9158597a, and its MD5 is 929cae8f91da78eddaa018798809bbeb. Two files with the same SHA-256 are identical, so use it to check you have exactly this file, not just one with the same name.
How up to date is this analysis of TBOKwinOptimizer.bat?
This report reflects the scan on Oct 26, 2026. A file's fingerprint never changes, but antivirus engines keep learning, so a rating can change later. To get a newer result, scan the file again: we refresh the antivirus results when the saved ones are out of date.
Chapter 06

Community

Member reviews and reports for this exact file hash.

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This report and its SHA-256 fingerprint are public, so the next person who checks the same file gets an instant answer; documents and images are listed by type instead of their file name. A file we had not seen before is uploaded to VirusTotal, whose security partners and subscribers can download it; MalwareTips deletes its own copy after the scan. If you ran this file and are worried, scan your device with up-to-date security software.