MalwareTips
File verdict·Evidence-based file assessment

Our call: Is CalendarEventLauncher.exe safe?Malicious

Do not run this file
12Safety ratingCritical risk
BarysSigned but unverified · Calendar Event Launcher
Evidence snapshot
  • 1 high-confidence signature or behavior rule matched this file.Derived · Signature and behavior rules
  • 15 of 75 antivirus engines flagged the file, including AhnLab-V3 and ALYac.Observed · Antivirus analysis
  • The hash has been submitted 4 times from 4 sources.Derived · Saved report facts
CalendarEventLauncher.exe
19.4 MB
7e434f28c62b8b47f0…4ed25a5539
Antivirus
15 of 75 flagged
Sandbox
Runtime complete
Code signing
Unverified: Calendar Event Launcher
First seen
First seen 1 day ago

Recommended next actions

01

Before running

Do not run it. Delete this file from the device, then empty the Recycle Bin or Trash.

02

If you already ran it

Disconnect from the internet, start a full or offline antivirus scan, then secure important accounts from a clean device.

Scan transparency

Coverage & freshness

4 of 5 complete

Complete means the check returned a usable result. It does not mean the file is safe.

  • Antivirus

    Complete

    15 of 75 engines flagged the file.

  • Sandbox

    Complete

    1 isolated runtime environment contributed observations.

  • Network

    Not run

    No contacted-host reputation check is recorded.

    No timestamp recorded

  • YARA

    Complete

    1 signature or behavior rule matched.

  • External intel

    Complete

    3 of 3 independent reference sources completed.

Recorded behavior

Attack story

Runtime observations grouped by analysis stage. Arrows organize the stages; they do not claim chronology or causality.

ObservedDerived

3 recorded facts from one runtime window. Every fact remains independently traceable in Analyst mode.

Chapter 02

Intelligence

The saved assessment, checked against the scan evidence and recorded coverage.

No saved analyst narrative

This report keeps the verified scan facts available below without inventing an analysis that was not saved with the scan.

Chapter 03

Behavior

Plain-English impact first, then the observed runtime evidence.

What this file does

Observed actions and their security significance

  • High concern: Injected code into another process, a technique that can conceal execution.

  • High concern: Used an input-capture technique that can record credentials or keystrokes.

  • High concern: Attempted to impair or bypass security controls.

  • Moderate concern: Contained obfuscated or packed code that makes inspection harder.

  • Moderate concern: Communicated over a common application protocol; malware can use this for command-and-control.

  • Note: Listed running processes; both legitimate software and malware may do this.

  • Note: Collects details about your system.

These are observed capabilities from an isolated analysis. A technique does not prove malicious intent on its own, and the file never ran on your device.

Threat context

How trojans work

A trojan disguises itself as something useful or harmless to trick you into running it. Once open, it does its real job in the background — anything from stealing data to opening a back door or downloading more malware.

Bottom line:The disguise is the whole trick, so a trustworthy-looking name or icon means nothing.

Chapter 04

Detection & Forensics

Consensus, attribution, signatures, code structure, prevalence, and identity.

Chapter 05

Safety & FAQ

Complete recovery guidance and answers for the next decision.

What to do now

This file is dangerous. Treat it as harmful and remove it.

  1. Don't run this file. Delete this file from the device, then empty the Recycle Bin or Trash.

  2. If you already ran it, disconnect from the internet and start with a full antivirus scan or Microsoft Defender Offline scan. If compromise is suspected or the problem persists, use a reputable second-opinion scanner and follow incident-recovery or clean-reinstall guidance.

  3. From a different, clean device, change the passwords on your important accounts (email and banking first) and turn on two-factor authentication.

  4. Get a fresh copy from the developer's official site or an official app store.

Frequently asked

Safety FAQ

Is CalendarEventLauncher.exe malware?
Yes — CalendarEventLauncher.exe is malicious. Do not run it. Delete this file from the device, then empty the Recycle Bin or Trash. 15 of 75 antivirus engines flag it (family: Barys). It behaves as a trojan — malware disguised as something harmless to trick you into running it. If you've already run it, see the removal and recovery steps below.
What is CalendarEventLauncher.exe?
CalendarEventLauncher.exe is a Windows executable program, about 19.4 MB. Our analysis identifies it as malicious (family: Barys) — a trojan — malware disguised as something harmless to trick you into running it. Because a file's name and icon can be faked, the safest way to identify it is by its cryptographic hash (below), not its filename.
How many antivirus engines detected CalendarEventLauncher.exe?
15 of 75 antivirus engines flagged CalendarEventLauncher.exe, 15 of them as outright malicious. The raw count alone does not establish safety or danger; we also weigh which engines flagged it and corroborating behavior, identity, reputation, and rule evidence. The malicious verdict comes from the complete saved evidence, not from this antivirus count by itself.
I already downloaded and ran CalendarEventLauncher.exe — what should I do?
Act quickly. 1) Disconnect the device from the internet to stop the malware communicating or spreading. 2) Run a full scan with reputable anti-malware software (such as Malwarebytes) and quarantine everything it finds. 3) Change your important passwords from a DIFFERENT, clean device — many threats log keystrokes or steal saved credentials. 4) If you bank or shop on this device, watch closely for fraud and alert your bank. 5) For a confirmed infection, the most reliable fix is to back up your personal files and reinstall the operating system for a clean start.
How do I remove CalendarEventLauncher.exe?
To remove CalendarEventLauncher.exe: 1) restart into Safe Mode (Safe Mode with Networking if you need to download a tool) so the malware doesn't auto-start. 2) Run a full scan with reputable anti-malware software and let it quarantine or delete the detections. 3) Delete this file from the device, then empty the Recycle Bin or Trash. 4) Check your browser extensions, startup items, and scheduled tasks for anything unfamiliar. 5) Reboot and scan again to confirm it's gone. If detections keep coming back, a clean operating-system reinstall is the most dependable cure.
What kind of malware is CalendarEventLauncher.exe?
CalendarEventLauncher.exe is classified as a trojan — malware disguised as something harmless to trick you into running it. Engines attribute it to the Barys family. Knowing the family matters because it tells you the likely impact — data theft, remote control, file encryption, or unwanted ads — and guides the cleanup.
Is CalendarEventLauncher.exe digitally signed?
CalendarEventLauncher.exe claims a signer of Calendar Event Launcher, but the signature is not verified — an unverified or broken signature can be forged, so it should not be trusted as proof of who made the file.
What is the SHA-256 hash of CalendarEventLauncher.exe?
The SHA-256 hash of CalendarEventLauncher.exe is 7e434f28c62b8b47f0df4a706d6369022d00463a6ad123b3048dc64ed25a5539, and its MD5 is 16d32218520c87ed8e5116775a4bbc65. This hash is the file's unique fingerprint — two files with the same SHA-256 are identical. Use it to confirm you're looking at exactly this file (not just one with the same name) when comparing against antivirus databases or a download's published checksum.
How up to date is this analysis of CalendarEventLauncher.exe?
This report reflects the scan run on June 13, 2026. Because a file's hash never changes, the identity of CalendarEventLauncher.exe is fixed — but antivirus coverage improves over time, so a file that looks clean today can pick up detections later (and vice-versa). If you need the latest picture, MalwareTips staff can re-run the analysis from scratch.
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The raw file is processed temporarily and is not retained after processing. Its hash and report are public and permanent, so the next person who checks the same file gets an instant answer. Unknown files may be submitted to VirusTotal for analysis. If you ran this file on your computer and are worried, scan your system with an up-to-date antivirus and change critical passwords from a different device.