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Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →leomoon-cpu-v.exe is the executable for LeoMoon CPU-V, a Windows utility designed to report whether your processor supports hardware virtualization, whether virtualization is enabled in firmware (BIOS/UEFI), and whether Intel Trusted Execution is enabled. The filename alone does not establish that a particular copy is safe. Security reports on different files with this name have produced conflicting results, so treat an unexpected copy as untrusted until you verify its location, hash, signature, source, and Microsoft Defender result.
What leomoon-cpu-v.exe is supposed to do
LeoMoon CPU-V is a small freeware diagnostic program rather than a Windows system component. LeoMoon Studios describes it as a way to check CPU hardware-virtualization support, the BIOS/UEFI virtualization setting, and Intel Trusted Execution status. Those checks can help when configuring virtual machines, Android emulators, sandboxing, or other software that depends on processor virtualization.
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The three checks answer different questions. A processor may support hardware virtualization while the firmware setting is disabled. Conversely, virtualization may be enabled in BIOS/UEFI even though a particular processor does not provide the required capability. Intel Trusted Execution is a separate platform-security feature, so a negative result there does not automatically mean virtualization is broken. CPU-V is intended to report these states; it is not itself a hypervisor, antivirus product, or Windows repair utility.
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Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →The LeoMoon Studios product page lists version 2.0.5, a changelog date of June 10, 2023, and a download size of 1.09 MB. It lists Windows 7, Windows 8, Windows 8.1, and Windows 10 compatibility, and credits Amin Babaeipanah and Kevin Wu. A file version shown in one analyzed sample was 2.0.5.0; that metadata is not proof that every file named leomoon-cpu-v.exe came from LeoMoon Studios. The page describes CPU-V as a utility for detecting hardware virtualization support for both 32-bit and 64-bit Windows.
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Windows does not require this executable for normal startup. If you never installed LeoMoon CPU-V, or if the file appeared in a temporary, startup, or randomly named directory, investigate it before opening or allowing it to run. A legitimate utility can be copied, renamed, bundled with another installer, or replaced by a different program that uses the same visible name.
Is LeoMoon CPU-V safe or a virus?
There is no universal yes-or-no answer based only on the name. Different binaries can share the same filename. A copy downloaded from the publisher and an unrelated executable renamed leomoon-cpu-v.exe must be evaluated separately. Even a matching product name in the Details tab is only one identity clue; it does not establish that the bytes were obtained from the publisher or remained unchanged.
| Sample or source | Date or version information | Reported result | Observed details |
|---|---|---|---|
| ANY.RUN sample identified as LeoMoonCPU-V.exe | Analyzed November 9, 2024; metadata named LeoMoon Studios and version 2.0.5.0 | “Malicious activity” | Suspicious executable overwrite/drop behavior and alternate-data-stream use were recorded. |
| ANY.RUN sample identified as LeoMoon-CPU-V.exe | Analyzed January 2, 2025 | “Malicious activity” | The report recorded a dropped system driver, a dropped legitimate Windows executable, and temporary-file creation. |
| Different hash in the Gridinsoft database | Database version dated August 20, 2026 | “Clean File” and “No threats detected by our scanner” | This was a different hash from the samples that received the ANY.RUN verdicts. |
| ThreatInfo sample | Recorded December 13, 2024 | “General Threat” | The service advised comparing the local MD5 and scanning or removing the file when it was unexpected. |
These are sample-specific results, not a finding that every LeoMoon CPU-V download is malicious. Risk is higher when the executable is in %Temp%, %AppData%, a startup folder, or a directory with an unrelated random name; when its hash differs from a known-good release; when its signature is absent or unexpected; or when its download source cannot be identified. A file in the publisher’s installation directory is not automatically safe either, but it gives you a provenance lead to verify.
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Scanner dates matter because detections and database contents change. A “clean” result for one hash cannot clear another hash, and a malicious-activity verdict describes behavior observed in that submitted sample rather than proving that every historical or future release behaves identically. Compare the exact file, not a screenshot or a similarly named download.
Do not run an unexpected copy: preserve evidence first
If Windows displays an alert, the process keeps returning, or you simply do not recognize the file, do not double-click it to see what happens. Record enough information to identify the exact binary before deleting it. Opening it can change timestamps, create additional files, or trigger behavior that makes later analysis harder.
- In File Explorer, right-click the file, choose Properties, and note the complete path, size, creation and modification dates, and the Details tab’s product, publisher, and file-version fields.
- Copy the full path into a text note. A filename such as
leomoon-cpu-v.exeis not sufficient for comparison. Include the drive letter and every parent directory. - Calculate a hash without launching the program. In PowerShell, use:
Get-FileHash -LiteralPath "C:fullpathleomoon-cpu-v.exe" -Algorithm SHA256
For an MD5 value requested by a particular scanner, Windows also includes:
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certutil -hashfile "C:fullpathleomoon-cpu-v.exe" MD5
Copy the resulting value exactly, including every character. Hashes identify the bytes you have; they do not by themselves prove that those bytes are safe. A changed hash means you have a different binary, even when the visible filename, size, and icon look familiar.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsCheck publisher, signature, path, and provenance
Inspect the digital signature
Right-click the file, select Properties, and open Digital Signatures if that tab exists. Select a signature, choose Details, and confirm that Windows reports a valid signature and that the signer is the publisher you expect. An absent signature is a reason for additional caution, not conclusive proof of malware; a signature that is invalid, revoked, or belongs to an unrelated signer is a stronger warning. Record what Windows reports instead of assuming that a company name typed into the Details tab is equivalent to a cryptographic signature.
Identify what introduced the file
Check your browser download history, software-installation records, email attachments, archives, and any script or installer that may have created the executable. Look for similarly named copies and for an uninstall entry under Settings > Apps > Installed apps (or Apps & features on older Windows). Do not approve a security exclusion merely because the name resembles the legitimate utility. If an installer is present, note its publisher and source separately from the executable it installed.
Compare the complete identity
- Publisher and digital-signature status.
- Exact SHA-256, and MD5 when a service specifically asks for it.
- Full file path and whether that path belongs to an installed LeoMoon program.
- How and when the file was acquired.
- Scanner verdict and the date of that verdict.
- Whether runtime behavior includes unexpected drivers, dropped executables, alternate data streams, or unexplained temporary files.
- Whether the file is actually required by a currently installed LeoMoon program or is an orphan left after an uninstall.
Do not compare only the spelling of the filename. Hyphens, capitalization, and a familiar product name can all be copied by an unrelated binary. The names LeoMoonCPU-V.exe, LeoMoon-CPU-V.exe, and leomoon-cpu-v.exe may be displayed differently while still requiring separate hash and provenance checks.
Scan the exact file with Microsoft Defender
Microsoft’s supported per-file workflow is available directly in File Explorer:
- Right-click the executable. On some Windows versions, select Show more options first.
- Select Scan with Microsoft Defender.
- Wait for Windows Security to display the result before opening the file or allowing it through a prompt.
If Defender detects the file, choose the quarantine or removal action it presents. Do not restore it simply because the filename appears familiar. Update Windows Security’s security intelligence, then run a Full scan when the file was unexpected or the alert returns. A per-file scan is targeted; it does not substitute for a full or offline scan when other persistence is possible.
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For persistent detections or suspected unwanted software, use Windows Security > Virus & threat protection > Scan options > Microsoft Defender Offline scan. Save open work first: Windows restarts and scans before the normal desktop loads. Microsoft recommends the offline route when a threat may be able to hide while Windows is running. If Windows Security reports that security intelligence is out of date, update it before repeating the scan.
How to remove leomoon-cpu-v.exe safely
When Defender identifies it
- Allow Defender to quarantine or remove the detected item.
- Restart if Windows requests it, then run a Full scan.
- Check Protection history for the detection name, affected path, and action taken.
- Run an Offline scan if the item reappears, a process recreates it, or security settings change unexpectedly.
When no scanner detects it but you did not install it
Do not delete the only copy before recording its path and hash. After preserving those details, disconnect the affected PC from networks if you suspect active compromise, close the process from Task Manager only if it is safe to do so, and remove the associated program through Settings > Apps when an identifiable installer exists. Then scan the remaining files and run a Full or Offline scan. Manual deletion of a running or protected file can leave the mechanism that recreates it, so investigate startup entries and scheduled tasks as well.
Check startup and scheduled execution
- Open Task Manager > Startup apps and disable an entry that points to the unexpected path. Disabling is reversible and preferable to immediately deleting an entry you have not documented.
- Review Settings > Apps > Startup on current Windows versions.
- Open Task Scheduler and inspect tasks whose action launches the same path or a nearby script. Export or record the task details before removing a clearly unwanted task.
- Check the Startup folders by pressing
Win+Rand enteringshell:startup, then repeat withshell:common startup.
If the file arrived from an untrusted source, change important passwords from a clean device after containment and review recent account activity. That is prudent incident response; it is not proof that this particular executable stole data. Avoid entering passwords on the suspect computer until scans and containment are complete.
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Why leomoon-cpu-v.exe keeps running
A legitimate diagnostic tool normally runs when you launch it and exits after reporting its checks. Repeated launches can have several explanations:
- A startup entry, scheduled task, shortcut, or updater is launching it at sign-in.
- An installer or script is recreating the file after deletion.
- The program is crashing and being restarted by another process.
- Malicious or unwanted software is using the familiar name for persistence.
In Task Manager, right-click the process and choose Open file location; compare that path with the one you recorded. Also choose Properties from the process’s file location and recalculate the hash if the file changed. A process that appears under a different directory or with a different hash is a separate binary even if the displayed name is identical. Check whether the process starts only after sign-in, after a particular application opens, or immediately after quarantine; those patterns help identify the launching mechanism without assuming a cause.
Fix a leomoon-cpu-v.exe application error
First determine whether the message is a Windows component error or a security detection. Repeatedly downloading the executable is not an appropriate response to a malware alert. If Defender has quarantined the file, follow the scan and containment path above. If the file is a verified, expected copy and Windows reports missing or corrupted components, repair the operating system before reinstalling the utility.
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Run DISM, then System File Checker
Open Command Prompt as administrator (search for cmd, right-click Command Prompt, and select Run as administrator). Run these commands in order:
DISM.exe /Online /Cleanup-image /Restorehealth
sfc /scannow
DISM repairs the Windows component store that supplies replacement files. System File Checker then examines protected system files and replaces corrupted versions from that store. Microsoft specifically instructs users to run DISM before SFC because SFC relies on the component store for replacement files. Let each command reach completion; interrupting a scan can leave repairs unfinished. Restart Windows after both commands report completion and test the verified application again.
Interpret the outcome
- If SFC reports that it found and repaired corrupted files, restart and retest.
- If SFC reports that it found no integrity violations, the application error is less likely to be caused by protected Windows files; recheck the executable’s provenance, compatibility, and security status.
- If DISM or SFC cannot complete, note the exact error text, ensure the PC has access to Windows Update, restart, and run the commands again from an elevated prompt.
These commands repair Windows components; they do not authenticate an unknown executable and cannot make a malicious file safe. Do not disable Defender or add an exclusion simply to make an error message disappear.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Reinstall LeoMoon CPU-V only after the system is clean
- Finish Defender’s recommended quarantine, Full scan, or Offline scan and confirm that the old copy and its startup mechanism are gone.
- Remove an existing LeoMoon CPU-V installation through Settings > Apps > Installed apps if Windows lists one.
- Download a fresh copy only from the official LeoMoon Studios source. Avoid repacked installers, file-sharing mirrors, and “cracked” bundles.
- Before launching, record the new file’s path, version, signature status, and SHA-256 hash. Scan it with Microsoft Defender.
- Run it once as a normal user. Do not grant administrator rights unless a documented installer step requires them.
The listed release is version 2.0.5 for Windows 7, 8, 8.1, and 10, with a listed download size of 1.09 MB and a June 10, 2023 changelog date. If you use a newer Windows edition or obtain a newer release, confirm that the publisher’s current compatibility information applies to that build rather than assuming the older listing covers it. Keep the download location and hash in your notes so a later copy can be compared.
When to treat the incident as a broader compromise
Escalate beyond a simple application reinstall when you see more than one warning: Defender detections in unrelated directories, disabled security settings, unknown administrator accounts, new services or scheduled tasks, browser-account changes, repeated recreation after quarantine, or unexplained network activity. Preserve hashes and paths, run Microsoft Defender Offline, install pending Windows security updates, and use a separate clean device for password changes. If the computer holds sensitive work or financial data, consider professional incident-response assistance instead of repeatedly experimenting on the live system.
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Frequently Asked Questions
What is leomoon-cpu-v.exe?
It is the executable for LeoMoon CPU-V, a freeware utility that checks CPU hardware-virtualization support, whether virtualization is enabled in BIOS/UEFI, and Intel Trusted Execution status. It is not required for ordinary Windows startup.
Is LeoMoon CPU-V safe or a virus?
The filename cannot answer that. ANY.RUN reported malicious activity for samples analyzed on November 9, 2024 and January 2, 2025, while Gridinsoft reported a different hash as clean on its database version dated August 20, 2026. Verify the exact path, hash, signature, source, and Microsoft Defender result.
Why does leomoon-cpu-v.exe keep running?
A startup item, scheduled task, shortcut, updater, crash-restart mechanism, or unwanted persistence may be launching or recreating it. Use Task Manager to open its file location, compare the path and hash, and inspect startup entries and scheduled tasks.
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How do I remove leomoon-cpu-v.exe?
Do not run an unexpected copy. Record its path and hash, scan it with Microsoft Defender, quarantine or remove a detection, then run a Full scan and, if it returns, Microsoft Defender Offline. Remove an identifiable associated program through Windows Settings and investigate the startup mechanism.
How do I fix a leomoon-cpu-v.exe application error?
First distinguish a malware alert from a genuine Windows-component error. For a verified, expected file, open an elevated Command Prompt and run DISM.exe /Online /Cleanup-image /Restorehealth followed by sfc /scannow. These repair Windows components but do not prove that an executable is safe.
Can I trust a LeoMoon CPU-V download?
Use only the official LeoMoon Studios source, then record the version, path, signature status, and SHA-256 hash and scan the exact file with Defender. Avoid mirrors, repacked installers, and bundles. The listed LeoMoon release is version 2.0.5, but metadata alone is not authentication.
Does a clean scanner result prove the file is safe?
No. Scanner results apply to a particular hash and date. A clean result for one binary cannot clear another file with the same name, and a malicious-activity verdict for one sample does not automatically classify every release. Combine scanner output with provenance, signature, path, and hash checks.
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Bottom line: LeoMoon CPU-V is intended to diagnose virtualization and Intel Trusted Execution settings, but leomoon-cpu-v.exe is only a filename. Treat an unexpected copy as untrusted, preserve its path and hash, inspect its signature and provenance, and scan it with Microsoft Defender. Quarantine suspicious files and use Full or Offline scans for persistence. For a verified application that still errors, run DISM first and SFC second; those commands repair Windows corruption, not malware.
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