If you still have the file, upload it to VirusTotal to see if multiple antivirus engines flag it as malicious.
If you haven't opened it, delete the file immediately . cool_wallpapers.rar
If you already opened the file, run a full system scan with a reputable antivirus like Microsoft Defender or Malwarebytes . If you still have the file, upload it
Attackers often use "double extensions" inside the archive (e.g., wallpaper.jpg.exe ) to trick users into running a program instead of opening an image [1]. Recommended Actions Attackers often use "double extensions" inside the archive
Archives with these names are often found to contain the RedLine Stealer or Lumine malware, which targets your saved passwords, browser cookies, and crypto wallets [1, 2].
The file is a generic filename frequently used by attackers to distribute malware, including info-stealers, ransomware, or trojans . Because .rar files are compressed archives, they can easily hide executable threats that bypass basic browser filters. Security Assessment