As the title suggests, what is your highest number of malware hits you have cleaned from a device? As for myself...just a few moments ago, Malwarebytes finished a scan and found 915 counts of malware. That's a new record in my professional career.
Unfortunately for the owner of this laptop, I am afraid that his personal identity and or banking information may be exposed to the attacker. According to Symantec, while a low risk threat, it cannot be good news.