Use a reputable antivirus tool, such as Microsoft Defender , to perform a full system scan in Safe Mode .
If you suspect your device is infected or you have already interacted with the file:
These files are commonly distributed via phishing emails disguised as invoices or urgent notifications. Recommended Actions LMPowerChristmas.rar
You can submit suspicious files to Microsoft Security Intelligence for professional analysis.
If you are a researcher, only examine the file in a sandbox environment like ANY.RUN or VirusTotal to avoid infecting your host machine. Use a reputable antivirus tool, such as Microsoft
Files like this are often used to deploy Lumma Stealer , which can exfiltrate your browser passwords, cryptocurrency wallets, and session cookies.
The name likely mimics a legitimate "Power" utility or a holiday gift/promotion to encourage clicks. If you are a researcher, only examine the
Submit a file for malware analysis - Microsoft Security Intelligence