How to remove a virus from WordPress?

Question

Malware

On the hosting, the antivirus detected a virus:
Sanesecurity.Malware.26449.JsHeur.UNOFFICIAL
I did not find any information about this virus on the Internet. Has anyone encountered him?

spoiler

httpdocs/wp-content/plugins/jetpack/_inc/build/admin.js

1.4 MB when in this file, do you really have to study the whole code?

Answer 1

update the plugin or install it again.

Answer 2

1) install the Wordfence plugin and crawl the site
2) update all plugins, themes and VIs
3) scan the database for extra tables
4) review functions.php for extra code
5) if the site has premium plugins (zeroed), then study from the code.
6) compare the VI files from the repository with yours and find the extra PHP. Usually they are in wp-includes or wp-content/plugins etc.

Answer 3

To remove viruses, you can use the Wordfence plugin. This is an excellent antivirus for WordPress
. You can download it from the official website. How to set up can be found here