OSX.AtomicStealer

Short bio

OSX.AtomicStealer is Malwarebytes’ detection name for an information stealer targeting macOS systems otherwise known as AMOS.

Symptoms

During installation and operation OSX.AtomicStealer uses several macOS shell scripts, launched with the osascript utility.

Type and source of infection

OSX.AtomicStealer is distributed under a Malware-As-A-Service (MaaS) model, which means there are several active infection vectors depending on the operators, who get access to the export logs of their victims.

Aftermath

OSX.AtomicStealer steals credentials from several apps on the system which may lead to financial damages and identity theft.

Protection

Malwarebytes for Mac detects and removes OSX.AtomicStealer

Remediation

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”.