: Inside the archive, there is typically a malicious Windows Shortcut ( .lnk ). When a user double-clicks it, it executes a hidden command (often using cmd.exe or powershell.exe ).
: The .7z archive is often delivered via phishing emails or hosted on fraudulent websites disguised as legitimate software or documents. Bunk-Bed.7z
: The archive usually contains three main components: : Inside the archive, there is typically a
: Look for unusual entries in Task Scheduler or Startup folders that may have been created during the infection. : Inside the archive
Files using this naming convention have been linked to several high-profile malware families: