Download of unknown files when you visit certain pages of the website. How to solve the problem?

A customer complains that one of his staff when you visit some sections of the site (an item card, where the employee was not in the browser) to the Downloads folder on the computer is stored strange files with names like "GEhmj9HbUws". And, without a prompt to save! O_o Almost all the files have a size of 5kb. Inside the gibberish.

- Mac
- Safari 7.0.5
- The site runs ajax, jquery, lots of JavaScript

No one except the employee, to reproduce the problem can not.

Help Council where to dig?
September 26th 19 at 11:41
3 answers
September 26th 19 at 11:43
perhaps some plugin ?
Turned off the plugins. Useless. - Easter31 commented on September 26th 19 at 11:46
September 26th 19 at 11:45
Look at the Northern part, she shoves preservation.

Or browser reinstall.
September 26th 19 at 11:47
Banish all the good antivirus.

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