My son got the Altisk trojan horse on his gaming computer.  It doesn't look like the TM will remove it once it activates.  Any ideas?

Hi, 

To provide you with an effective solution, may I know the specific behavior of the threat on the machine? 

a. Are there any changes on the machine's performance? Is it slower than the usual performance?
b. Did you receive any notifications or message on the computer?
c. Did he recently downloaded an app or file on the machine?

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