Avast vs Ransomware | Summary and Q&A

May 27, 2017
The PC Security Channel
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Avast vs Ransomware


Avast Free Antivirus effectively detects and blocks some ransomware threats, but behavioral shields trigger after encryption has occurred.

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Key Insights

  • 🕵️ Avast Free Antivirus shows effectiveness in detecting and blocking certain ransomware samples.
  • ❓ Persistence of the WannaDie ransomware suggests signature interference.
  • 🤵 Behavioral shields in Avast Free Antivirus trigger after file encryption has occurred, indicating room for enhancement.
  • 🕵️ Integration of AVG's identity protection component improves Avast's ability to detect ransomware.
  • 🚫 Avast's IDP Generic component successfully identifies and blocks some ransomware threats.
  • ⚾ Sophos Intercept X, a behavioral-based product, outperformed Avast in preventing ransomware encryption.
  • ❓ Overall, Avast Free Antivirus demonstrates awareness of ransomware threats, but improvements could be made in prevention and early detection.


Avast Free Antivirus versus ransomware. This is going to be fun. And as we go along, I have a great challenge for you guys. So, first of all we have some new ransomware over here. Grabbed these samples just now, so they should be less than 24 hours old. Now what I want you to do is guess what the full names of each of these files are. Guess away in... Read More

Questions & Answers

Q: How does Avast Free Antivirus respond to WannaDie ransomware?

Avast Free Antivirus fails to detect WannaDie ransomware and cannot delete it, indicating persistence. However, this ransomware does not encrypt files and is not malicious.

Q: Is Avast Free Antivirus effective against screen locker ransomware?

Avast Free Antivirus is unable to prevent screen locker ransomware, such as "Elmer's Glue Locker," which demands bitcoins. Rebooting the system removes the locker without issues.

Q: Does Avast Free Antivirus successfully detect Jaff ransomware?

Avast Free Antivirus detects Jaff ransomware using its IDP Generic component. However, it fails to block the ransomware in time to prevent file encryption.

Q: How does Avast Free Antivirus perform against other ransomware threats?

Avast Free Antivirus successfully detects and blocks additional ransomware threats, triggering its IDP alerts. However, behavioral shields appear to activate after encryption has already taken place.

Summary & Key Takeaways

  • The video explores Avast Free Antivirus's response to various types of ransomware, testing its zero-day components and behavioral shields.

  • Avast successfully blocks some ransomware samples, such as Jaff, using its IDP Generic component.

  • However, the behavioral shields seem to trigger after encryption has already occurred, suggesting room for improvement.

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