OSX.Fallchill is Malwarebytes’ detection name for a backdoor that targets macOS systems.
OSX.Fallchill has been spread through fake cryptocurrency trading apps, malicious Word documents, and a malicious “Album” app.
A backdoor is usually a payload that the attacker can use to build out his control over a system once the backdoor is functional.
Finding a backdoor on an affected system is usually grounds for a thorough inspection as there might be other malware present, or security settings may have been altered or removed.
Malwarebytes for Mac detects and removes OSX.Fallchill.
Malwarebytes for Mac will detect and remove the components of this malware.
Download and install the latest version of Malwarebytes for Mac.
Click the “Scan Now” button to perform a system scan.
If threats are detected during the scan, a count of detected threats is displayed. More detailed threat information is displayed after the scan completes.
Click “Confirm” to move the detected threats to Quarantaine.
If a restart is required to complete remediation of threats detected during a scan, you will be notified. When a restart is required, please remember to save all work before clicking “Restart”.
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