What are the web application malware/antivirus scanners?

Question

Malware

Recommend a scanner/system for catching and cleaning malware for websites
Functionality - check the system at the
beginning for existing bookmarks, hacks, malware
- monitor in the future and block plus inform about suspicious activity
your VPS)
The search gave the following options:
www.siteguarding.com
quttera.com
Someone used them, share your impression? Links to alternative solutions are also welcome.