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youtube-view-booster.exe should be treated as suspicious unless you can verify its publisher, origin, digital signature and hash. An ANY.RUN analysis of an exact-name sample, YouTube View Booster.exe, reported “Malicious activity” on September 10, 2018. That finding applies to the analyzed file, not automatically to every executable with the same name. No official Microsoft or YouTube documentation identifies this filename as a Windows component or supported YouTube application.
Do not open the file, add it to an antivirus exclusion or choose Allow while it is unverified. Update Microsoft Defender, run a full scan, quarantine or remove any detection, uninstall the related application and use Microsoft Defender Offline if suspicious software persists.
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Is youtube-view-booster.exe safe?
There is no reliable basis for calling an unexpected youtube-view-booster.exe safe. The strongest exact-name evidence is a dated sandbox report for one file named YouTube View Booster.exe that received the verdict “Malicious activity”. Microsoft also warns that uncommon or unknown software carries more risk, while noting that rarity alone does not prove malware.
The filename is not a universal identity. Two files can share a name but have different contents, publishers, hashes, download sources and behavior. Use the sample details below as a warning, not as proof that every copy is identical.
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| Evidence | What it establishes | What it does not establish |
|---|---|---|
| ANY.RUN verdict: “Malicious activity” | The analyzed exact-name sample behaved maliciously in that analysis. | Every file with the same filename is malicious. |
| Analysis date: September 10, 2018 | The observation is dated and may not describe current campaigns. | How common the file is today. |
| Environment: Windows 7 Professional SP1, 32-bit | The sample was examined in that test environment. | Identical behavior on every Windows edition. |
SHA-256: 641FD5033E881C0F12ED901E66F4151D0392F9F31F079E0E4F5C0A8BB2EE061C |
A precise identifier for the analyzed file. | The hash of another copy that merely has the same name. |
The sandbox report itself cautions that interactive analysis can be affected by user actions and does not guarantee safety or maliciousness. Accordingly, the report is strong reason to investigate and scan, not a universal classification of the filename.
No Microsoft or YouTube page describes this executable as a required Windows process, a YouTube desktop component or an approved viewer utility. A search also found no trustworthy vendor page establishing a legitimate publisher for the exact filename. That absence does not mathematically prove malware, but it means you should demand evidence before allowing the file to run.
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The exact source of a particular copy cannot be determined from its name alone. It might have arrived with an untrusted download or an associated application, but no published prevalence statistic, named campaign or legitimate vendor attribution has been established for this filename.
Check the file’s full path, creation and modification times, size, publisher information, digital-signature status and download source. Those details help distinguish an actual program from a renamed or repackaged file. A location inside a user-download folder, temporary directory or an unfamiliar application folder deserves particular scrutiny, but location alone is not proof.
Also note whether the file appeared after installing a program, opening an attachment, using a third-party “YouTube booster” site or downloading a cracked utility. Preserve that context for whoever evaluates the computer. Do not revisit the download page or run an installer again merely to reproduce the event.
How can I verify the file without running it?
Verification is about collecting identity evidence, not testing the program by launching it. In File Explorer, right-click the file, open Properties, and review the General, Details and Digital Signatures tabs when they are available.
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- Read the stated product name, company, version and copyright information, but remember that text in a Details tab can be forged.
- Inspect the signer and whether Windows reports that the signature is valid. An absent or invalid signature is a warning, while a signature alone is not a guarantee of safe behavior.
- Record the download URL, email or message that delivered the file and the name of any application installed at the same time.
- Compare a cryptographic hash only with a hash from a source you trust. A matching hash identifies the same bytes; it does not make an unknown publisher trustworthy.
The ANY.RUN SHA-256 value identifies its particular analyzed sample. Unless your file has that exact hash, you cannot claim it is the same sample; if it does match, treat that as a particularly serious warning and do not execute it.
What should I do before opening or deleting it?
Preserve enough information for a scan or support professional, but do not execute the file to “test” it.
- Do not run it. Do not double-click, launch it from a command prompt, or approve a User Account Control request.
- Record its identity. Note the complete path, file size, download source and the name of any application installed at the same time. In File Explorer, right-click the file, choose Properties, and review the Details and Digital Signatures tabs when present.
- Do not create an exception. Do not add the file, its folder or its parent application to Microsoft Defender exclusions. Do not select Allow simply because Windows asks what to do.
- Disconnect sensitive activity if compromise is suspected. If you are seeing repeated detections, disabled security tools or other unexplained behavior, stop signing in to sensitive accounts on that computer until it has been checked.
Do not email the executable to colleagues, upload it to an unknown scanner or copy it to another computer. If an administrator or incident-response professional needs a sample, ask how they want it transferred safely.
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How do I scan and remove youtube-view-booster.exe with Microsoft Defender?
Microsoft’s first-line sequence is to update security intelligence, run a full scan, quarantine or remove detections, and use an Offline scan if unwanted software remains. Keep the computer connected long enough to obtain current security intelligence unless an incident responder tells you to isolate it immediately.
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- Open Start > Settings > Privacy & security > Windows Security on Windows 11, or Start > Settings > Update & Security > Windows Security on Windows 10.
- Select Virus & threat protection.
- Under Virus & threat protection updates, choose Check for updates.
Security-intelligence updates improve the chance that current Defender definitions recognize a known threat. If another antivirus product manages protection on the PC, use that product’s update and scan controls as well. Avoid running two real-time antivirus products at once unless their vendors specifically support that arrangement.
2. Run a full scan
- In Windows Security > Virus & threat protection, select Scan options.
- Choose Full scan, then select Scan now.
- Let the scan finish. Avoid opening the suspicious executable while it runs.
A full scan checks the files and running areas Defender includes in that scan mode. The duration depends on the amount of data and the computer’s storage speed, so it can take considerably longer than a quick scan. Keep the machine powered and avoid cancelling it because no immediate detection appears.
3. Quarantine or remove the detection
Open Protection history after the scan. For a detection you cannot verify as legitimate, choose Quarantine or Remove according to the option shown. Microsoft describes quarantine as moving the file to a safe location and blocking it; Remove deletes it. Choose Allow only when both the software and its publisher are trusted.
Read the detection name, affected path and action status. If the item is already quarantined, do not restore it just to see whether YouTube works. A restoration can put the same risk back on the computer, and successful video playback would not validate the executable.
4. Run Microsoft Defender Offline when the file persists
- Save your work and close open programs.
- Go to Windows Security > Virus & threat protection > Scan options.
- Select Microsoft Defender Offline scan, then choose Scan now.
- Approve the restart. The scan runs before normal Windows startup; allow it to complete before signing in again.
Offline scanning is useful when unwanted software reloads during a normal Windows session or interferes with security tools. A restart is required, and a thorough scan can take a substantial amount of time. Save recovery keys and other work first so an unexpected restart does not cause data loss.
How do I uninstall the application that installed it?
Removing the parent application can stop the executable from returning, but scan the software before removal so that you do not discard useful evidence or leave an active process behind.
- Open Start > Settings > Apps > Installed apps on Windows 11. On Windows 10, use Start > Settings > Apps > Apps & features.
- Sort by installation date or search for the application associated with the file.
- Select the application’s menu, choose Uninstall, and follow its prompts.
- Restart if Windows requests it, then run another Defender scan.
If the uninstall entry is broken or the process reports incomplete uninstall data, use Microsoft’s Program Install and Uninstall troubleshooter. It is designed to address corrupted uninstall registry keys and incomplete uninstall information. Do not delete random registry entries or system folders to force an uninstall; that can damage Windows without removing the underlying software.
Can I delete youtube-view-booster.exe manually?
Manual deletion is not the safest first move. A malicious or unwanted program may have other files, startup entries or processes, and deleting one executable does not prove that the system is clean. Let Defender quarantine or remove a detection after scanning, then uninstall the associated application. If no security product detects the file but its publisher and origin remain unverified, keep it closed and obtain qualified help rather than overriding the warning.
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If Windows says the file is in use, do not repeatedly terminate unrelated processes or take ownership of protected folders. Record the path and error message, run the normal scan and consider Defender Offline. A file that disappears and then returns should be treated as evidence of an unresolved source, not as proof that deletion succeeded.
What is Microsoft’s Malicious Software Removal Tool, and is it enough?
The Microsoft Malicious Software Removal Tool (MSRT) is a supplemental, post-infection utility for specific prevalent malware. Microsoft explicitly states that “The MSRT does not replace an antivirus product.” Its coverage is not comprehensive, and a full run can take several hours and may require a restart. Use it only as an additional check after maintaining normal antivirus protection, not as a substitute for Defender or another continuously protecting antivirus.
MSRT is therefore a different choice from Defender Offline: Defender Offline is integrated into Windows Security and is intended to scan before normal startup, while MSRT targets a limited set of prevalent threats. Neither tool turns an unverified file into trusted software, and a clean result does not certify every file on the computer.
What if youtube-view-booster.exe keeps coming back?
Repeated reappearance after quarantine or uninstall means the underlying source has not been identified. Record the path and detection details each time, update security intelligence, repeat a full scan and run Defender Offline. Compare whether the returning copy has the same size and hash; a changed hash indicates a different file even if the name is unchanged.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsIf security tools are disabled, detections return after restart, or suspicious behavior continues, isolate the computer from sensitive accounts and obtain qualified incident-response or malware-removal assistance. Change important passwords from a separate, trusted device if compromise is suspected, and follow your organization’s incident process if the PC is managed by an employer or school.
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Could this be a YouTube playback problem instead?
A browser message such as “Playback error” does not validate or explain an unknown executable. Playback troubleshooting and executable safety are separate issues. A browser can fail to play video because of a network, cache, app or extension problem even when no suspicious file exists.
For a genuine YouTube playback problem, use the service’s standard checks:
- Check the internet connection and available connection speed.
- Restart the YouTube app, browser or device.
- Update the browser or app.
- Clear the browser cache and cookies.
- Temporarily disable extensions and test playback again.
These actions can fix browser or network conditions, but they do not make youtube-view-booster.exe trustworthy. Conversely, removing the executable will not necessarily fix a playback error caused by a slow connection or stale browser data.
Why is Windows warning about it without blocking it?
Microsoft describes warnings for unknown or uncommonly downloaded software as warnings rather than automatic blocks. The message signals uncertain reputation and identity; it is not a safety approval. A warning can appear because a file is new, rare, unsigned or downloaded from a source Windows cannot establish as reputable.
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Read the publisher and file-origin information in the prompt, but do not click through reflexively. If you cannot independently verify both the software and its publisher, leave the file closed and choose the protective action offered by Defender.
Which remediation route should I choose?
| Route | Detection or intervention | When to use it | Important limitation |
|---|---|---|---|
| Defender full scan | Broad scan from within the running Windows installation. | First response after updating security intelligence. | Some persistent software may reload during normal startup. |
| Defender Offline | Scans before normal Windows startup. | The file returns, security tools are interfered with, or a normal scan is inconclusive. | Requires a restart and can take considerable time. |
| Quarantine or Remove | Blocks the detected file or deletes it. | Defender identifies the executable or a related component. | Do not choose Allow without verified software and publisher identity. |
| Uninstall parent application | Removes the associated program and its registered uninstall data. | The file arrived with an identifiable installed application. | May fail when uninstall data or registry keys are corrupted. |
| MSRT | Limited check for specific prevalent malware after infection. | Supplemental second opinion after normal antivirus steps. | Not comprehensive and not a replacement for antivirus protection. |
| Qualified incident response | Investigation and remediation beyond routine scans. | Repeated reinfection, disabled security controls or continuing suspicious behavior. | Requires outside expertise; no particular provider is implied. |
Choose based on evidence and operational impact. A filename-only suspicion calls for caution and scanning. An exact hash match to the 2018 ANY.RUN sample, repeated reinfection or disabled protection warrants a more urgent response. MSRT’s limited coverage and several-hour runtime make it a supplement, not the first or only action.
What should you remember?
- An exact-name sample analyzed by ANY.RUN on September 10, 2018 was labeled “Malicious activity” and had the SHA-256 hash
641FD5033E881C0F12ED901E66F4151D0392F9F31F079E0E4F5C0A8BB2EE061C. - The filename alone cannot identify every copy. Publisher, signature, path, source, hash and observed behavior matter.
- No official Microsoft or YouTube documentation establishes this executable as a supported component.
- Do not run, whitelist or allow an unverified copy.
- Update Defender, run a full scan, quarantine or remove detections, uninstall the associated application and use Defender Offline if needed.
- MSRT is supplemental and does not replace antivirus protection.
- YouTube playback troubleshooting is unrelated to validating an executable.
Frequently asked questions
Is youtube-view-booster.exe a virus?
An exact-name sample was labeled “Malicious activity” by ANY.RUN, so an unexpected copy deserves a malware-level response. That verdict does not classify every file with the same name. Check the hash, publisher, signature, source and Defender result before making a claim about your particular copy.
Can I delete youtube-view-booster.exe?
Do not make manual deletion your first step. Update Defender, scan, quarantine or remove the detection, then uninstall the associated application. If the file is not detected but remains unverified, keep it closed and seek qualified help.
Why does youtube-view-booster.exe keep appearing?
It may be returning from an associated application or another unresolved source, but the filename alone cannot identify the cause. Record each path and detection, run a full scan followed by Defender Offline, and escalate if it returns or security controls are disabled.
How do I remove youtube-view-booster.exe from Windows?
Use Windows Security to update definitions, run a full scan, quarantine or remove the detection, and uninstall the related application from Installed apps. If uninstall data is corrupted, use Microsoft’s Program Install and Uninstall troubleshooter. Run another scan afterward.
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Is YouTube View Booster safe?
There is no verified official Microsoft or YouTube software by that name in the available documentation, and an exact-name 2018 sample was marked malicious activity. Treat it as untrusted unless a publisher, signature, source and hash establish a legitimate identity.
Why is Windows blocking youtube-view-booster.exe?
Windows may be responding to a Defender detection or to the file’s unknown or uncommon reputation. Warnings for unknown software are not proof by themselves, but they are a reason not to run the file or choose Allow without verifying the software and publisher.
Can a legitimate developer use the same filename?
Yes. Windows does not reserve a filename as proof of ownership, so a different developer could create an unrelated file with the same name. Verify the publisher, signature, source and hash together.
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Does renaming the file make it harmless?
No. Renaming changes only the label, not the program’s contents or behavior. Keep it closed and let security software evaluate it.
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Should I restore the file from quarantine to see whether YouTube works?
No, not while its publisher and origin are unverified. Restoring it can reintroduce the risk that prompted the detection, and a playback test cannot establish that an executable is legitimate.
Frequently Asked Questions
Is youtube-view-booster.exe a virus?
An exact-name sample was labeled “Malicious activity” by ANY.RUN, so an unexpected copy deserves a malware-level response. The verdict does not classify every file with the same name; check its hash, publisher, signature, source and Defender result.
Can I delete youtube-view-booster.exe?
Do not make manual deletion your first step. Update Defender, scan, quarantine or remove the detection, then uninstall the associated application. Keep an undetected but unverified file closed and seek qualified help.
Why does youtube-view-booster.exe keep appearing?
The underlying source may remain after a deletion or uninstall. Record each path and detection, run a full scan followed by Defender Offline, and escalate if it returns or security controls are disabled.
How do I remove youtube-view-booster.exe from Windows?
Update Microsoft Defender, run a full scan, quarantine or remove the detection, uninstall the related application, and scan again. Use Microsoft’s Program Install and Uninstall troubleshooter if uninstall data is corrupted.
Is YouTube View Booster safe?
No official Microsoft or YouTube documentation establishes it as supported software, and an exact-name 2018 sample was marked malicious activity. Treat it as untrusted unless publisher, signature, source and hash establish a legitimate identity.
Why is Windows blocking youtube-view-booster.exe?
Windows may be responding to a Defender detection or the file’s unknown or uncommon reputation. Do not choose Allow without verifying both the software and its publisher.
Can a legitimate developer use the same filename?
Yes. Windows does not reserve a filename as proof of ownership, so verify the publisher, signature, source and hash together.
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No. Renaming changes only the label, not the contents or behavior. Keep it closed and let security software evaluate it.
Should I restore the file from quarantine to see whether YouTube works?
No, not while its publisher and origin are unverified. Restoring it can reintroduce risk, and a playback test cannot establish that an executable is legitimate.
The Bottom Line
Treat an unexpected youtube-view-booster.exe as untrusted. Do not run or allow it; record its identity, update Microsoft Defender, run a full scan, quarantine or remove detections, uninstall the associated application and use Defender Offline if it persists. The 2018 ANY.RUN verdict is evidence about one exact sample, not every file with the same name. If reinfection or disabled security tools continue, isolate sensitive accounts and obtain qualified incident-response help.
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