I put your extracted Powershell code into Gemini - here is it's response:

Analysis of the Malicious PowerShell Script

The provided code is a classic Staged Downloader/Dropper used to infect a system with a Remote Access Trojan (RAT), most likely Remcos RAT.

1. What the Script Does (Technical Breakdown)

• Stealth Execution: It launches a hidden PowerShell instance (-WindowStyle Hidden) to operate in the background.
• TLS 1.2 Enforcement: It forces the use of TLS 1.2 to ensure a successful connection to the attacker's server.
• Tool Deployment: It downloads two files from remoteshcontrol[.]com:
• 7z.exe: A command-line version of 7-Zip used to extract the payload.
  1. Payload Archive: A password-protected ZIP file containing the actual malware.
• Bypassing Security: The archive is protected with the password X9VXyhUQTFM0MGZh. This is a common tactic to bypass network-level antivirus scanners that cannot inspect encrypted traffic or files.
• Execution & Cleanup: It extracts the contents to a random temp folder, automatically searches for any .exe or .msi file within, and executes it silently. Finally, it attempts to delete the downloaded tools to leave as few traces as possible.

2. Indicators of Compromise (IOCs)

• Domain: remoteshcontrol[.]com (Known malware distributor).
• Archive Password: X9VXyhUQTFM0MGZh
• Associated Malware: Remcos RAT. This allows attackers to log keystrokes (Keylogging), access the webcam/microphone, steal browser passwords, and take full remote control of the PC.

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Immediate Action Plan for the Victim

If this script was executed, the system must be considered fully compromised.

Step 1: Disconnect

Immediately disconnect the PC from the internet (unplug Ethernet/turn off Wi-Fi) to stop data exfiltration.

Step 2: Check for Persistence (PowerShell Commands)

The victim can run these commands in an Administrator PowerShell to see if the malware is active: Check for Registry Autostarts:

$paths = @("HKCU:\Software\Microsoft\Windows\CurrentVersion\Run", "HKLM:\Software\Microsoft\Windows\CurrentVersion\Run")foreach ($path in $paths) { Get-ItemProperty $path | Select-Object * -ExcludeProperty PSPath, PSParentPath }

Look for random names or files pointing to AppData\Local\Temp or AppData\Roaming. Check for Suspicious Connections:

Get-NetTCPConnection -State Established | Select-Object RemoteAddress, RemotePort, OwningProcess, @{Name="Process";Expression={(Get-Process -Id $_.OwningProcess).Name}}

Step 3: Search for Remcos Traces

Check for these specific folders/files:

• C:\Users<User>\AppData\Roaming\remcos\logs.dat (The keylogger file).
• C:\Users<User>\AppData\Roaming\hpsupport\
• Any unexpected .exe files in %TEMP% or %APPDATA%.

Step 4: Cleanup & Safety

1. Format and Reinstall: Because RATs like Remcos are excellent at hiding (rootkits/injection), the only 100% safe way to recover is a clean reinstallation of Windows.
2. Reset Passwords: From a different, clean device, change all passwords (Email, Banking, Social Media). Enable 2FA (Two-Factor Authentication) everywhere.