Windows Defender vs Ransomware

TL;DR

Windows Defender's proactive detection in blocking ransomware is around 83.3%, with notable misses on well-known ransomware variants.

Transcript

hello and welcome to the pc security channel last year i did a video titled windows defender vs ransomware where i tested the default security of windows with windows defender again some of the most infamous ransomware from the last five years including threats like wannacry the results were well quite interesting since then of course windows has h... Read More

Key Insights

• ☠️ Windows Defender's proactive detection rate against ransomware is 98.33%.
• ❓ Scarab, a well-known ransomware variant, successfully bypassed Windows Defender's protection.
• 🎮 Using controlled folder access can help protect important documents from encryption by ransomware.
• 😶‍🌫️ Windows Defender's effectiveness is heavily reliant on cloud-dependent features, making it vulnerable when disconnected from the internet.
• 🥳 Third-party antivirus solutions may provide better protection against ransomware than Windows Defender.
• 💨 Malwarebytes Privacy, a new VPN service, offers fast and consistent speeds, with no tracking or log storage.
• 👋 Combining Malwarebytes Privacy with their anti-malware solution can be a good deal for users.

Questions & Answers

Q: What is the purpose of the test?

The test aims to determine how well protected users are when using Windows Defender as their primary defense against ransomware.

Q: How many ransomware threats were tested?

Sixty ransomware threats from the last five years were executed during the test.

Q: What is the proactive detection rate of Windows Defender?

Windows Defender demonstrated a proactive detection rate of 98.33%, successfully blocking the majority of ransomware threats.

Q: Which ransomware variant successfully executed and encrypted files?

Scarab, a well-known ransomware variant, successfully executed and encrypted files, highlighting a weakness in Windows Defender's protection.

Summary & Key Takeaways

• The test aims to assess the effectiveness of Windows Defender as the primary defense against ransomware.

• Sixty ransomware threats from the last five years are executed, with Windows Defender successfully blocking 98.33% of them.

• However, one sample, Scarab, successfully executes and encrypts files, showcasing the limitations of Windows Defender's protection.