ccsvchst.exe

What is ccsvchst.exe?

ccsvchst.exe is the CCleaner Cloud Service Host, a background component that powers CCleaner Cloud features such as remote maintenance, cloud-based task scheduling, and configuration updates. It runs quietly in the background as a service, communicating with Piriform/ Avast cloud endpoints and launching ancillary CCleaner Cloud utilities as needed to apply settings and telemetry. Legitimate CCleaner Cloud installations rely on this executable to enable cloud management.

Technically, ccsvchst.exe loads components from the CCleaner Cloud installation, acts as a small service host, and coordinates task execution, telemetry, and cloud-driven commands. It may spawn short-lived helpers for individual jobs and uses HTTPS to reach official cloud endpoints.

Is ccsvchst-exe Safe?

ccsvchst.exe is a legitimate component of CCleaner Cloud, designed to enable cloud-based management and remote maintenance. When CCleaner Cloud is installed from official sources and the executable resides in a standard program files directory (for example, C:\Program Files\CCleaner Cloud\ccsvchst.exe), with a valid publisher signature, it is considered safe. If CCleaner Cloud is not installed or the file appears in an unusual location or without a proper digital signature, treat it with caution and investigate for tampering.

Is ccsvchst-exe a Virus?

While ccsvchst.exe is commonly legitimate, attackers may disguise malware as a ccsvchst.exe file to evade detection. If the file runs from a nonstandard folder, shows unexpected network activity, or there are multiple copies across drives, it could be malicious. Always verify the file location, publisher, and integrity, and run a trusted malware scan if you notice anomalies. Do not assume safety based on the name alone.

How to Verify Legitimacy

1. Check File Location: Look for ccsvchst.exe in the official CCleaner Cloud directory, such as C:\Program Files\CCleaner Cloud\ccsvchst.exe or C:\Program Files (x86)\CCleaner Cloud\ccsvchst.exe.
2. Verify Digital Signature: Open the file properties and confirm a valid Authenticode signature from Piriform Ltd. or Avast Software.
3. Check File Hash: Compute SHA-256 hash (Get-FileHash) and compare against the hash published by the official CCleaner Cloud installer.
4. Scan for Malware: Run a full system scan with Windows Defender or another reputable antivirus to check for tampering or malware masquerading as ccsvchst.exe.

Why is it Running?

Reasons it's running:

• Scheduled cloud maintenance: CCleaner Cloud uses ccsvchst.exe to perform automated cleanup, optimization, and policy enforcement on a schedule.
• Cloud communication: The process maintains an HTTPS channel with Piriform/ Avast cloud services to receive commands and report telemetry.
• Startup or login triggers: ccsvchst.exe may start during system boot or user sign-in to synchronize cloud settings.
• Telemetry and updates: Telemetry data and configuration updates are coordinated by this host to keep CCleaner Cloud current.
• Ecosystem integration: As part of the CCleaner/ Avast family, it coordinates with related tools like AvastUI and CCleaner components.

Can I disable ccsvchst-exe?

Common Problems

Common Causes & Solutions

• : Update CCleaner Cloud to the latest version, check for stuck tasks, and consider temporarily disabling cloud tasks or reinstalling CCleaner Cloud if resource use remains high.
• : Repair or reinstall CCleaner Cloud, ensure the installer completed successfully, and verify the executable path.
• : Reinstall CCleaner Cloud or restore the missing ccsvchst.exe from the official installer package.
• : Review firewall and proxy settings, ensure legitimate CCleaner Cloud endpoints are allowed, and scan for malware if suspicious.
• : Identify legitimate instances from CCleaner Cloud, terminate extra processes, and ensure only the official ccsvchst.exe is active.
• : Submit the file for verification to the antivirus vendor, check for a legitimate signature, and ensure you installed CCleaner Cloud from the official source.

Related Processes