To start with, you must understand malware has evolved enough in a way that saying "I'm careful when i surf" or "I don't download cracked software" doesn't mean you're protected.
- Bitcoin/cryptocurrency miners in-browser
- Malvertising
- Browser scripts
- Non HTTPS sites
- CCleaner server hack case
- System and browsers vulnerabilities
There are literally
hundreds of ways your system can get infected even if you have an antivirus and you do not visit harmful sites.
It's not just about buying an antivirus, installing it and forget. If you ask any trusted member of the community he'll surely tell you he's far more protected than just a regular antivirus solution.
I wouldn't say "uninstall Avast". Avast is a great piece of software. Maybe you're not using it correctly?
- Enable PUP detection
- Set File Antivirus and Web Protection sensitivity to maximum
Do not just delegate all the work to Avast. Help your antivirus vendor help you.
Pair Avast with VoodooShield. Save a couple of second opinion scanners to scan your system once a week.
Update your regular browser daily and complement it with security extensions your antivirus probably won't catch:
- uBlock Origin
- HTTPS Everywhere
- PopUp Blocker
- NoScript
- minerBlock
Are you a happy clicker?
- Dr. Web Antivirus Link Checker
Modify your system's DNS and replace with Comodo Secure DNS.
What i just did here should be your daily though. "How can I prevent malware?" instead of "how can i clean disaster?". Of course avoid overkill, but take into account what I just suggested means only two real time software (Avast and VS). This extensions should not slow down your browsing speed. It doesn't slow mine.
Never forget about safety practices, the do's and don't's for browsing safety (
RoboMan's Do's and Don't's for browsing safety), but never think you've got it all covered, else everything I just suggested would be useless. You're a target online so be protected and ready. Prevent attacks instead of trusting your capabilities to avoid them.