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Spyware and Bloatware

Feb 23, 2025

Lecture Notes: Spyware and Bloatware

Spyware

  • Definition: Spyware is a type of malware that monitors activities on a computer.
    • It can display advertisements, steal personal information, or commit fraud.
    • Similar to viruses, it is installed via:
      • Peer-to-peer software
      • Fake security software
      • Malicious email links

Functionality

  • Monitors browsing habits and sends data to attackers.
  • May install a keylogger to capture:
    • Usernames
    • Passwords
    • Other typed information

Prevention and Removal

  • Use antimalware or antivirus software to detect and stop spyware.
  • Research software before installing to avoid malware.
  • Have a backup to recover from infections.
  • Use tools like Malwarebytes for detection and removal of spyware.

Bloatware

  • Definition: Pre-installed apps on new devices that are not part of the core OS.
    • Installed by manufacturers, often for payment.
    • Includes security tools, games, and other unnecessary apps.

Security Concerns

  • Occupies storage space.
  • Affects system performance if software runs at startup.
  • Potential vulnerabilities pose security risks.

Removal Strategies

  • Manual Uninstallation:
    • Use the installed applications list to uninstall.
    • Some apps may require a specific uninstaller.
  • Third-Party Uninstallation Tools:
    • Helps when normal uninstallation methods fail.

Key Takeaways

  • Spyware and bloatware both pose significant challenges for users.
  • Proactive measures include using reliable security software, researching apps before installation, maintaining backups, and employing specialized tools for removal.
  • Understanding these threats can help maintain system security and efficiency.