Ouch! Just in case this is a real request. YMMV
I don't even know if these programs still work with XP, but here are my old instructions to the relatives.
Download from
www.bleepingcomputer.com if availiable
TDSSKILLER
Adwcleaner
Rkill
Malwarebytes
ccleaner
Startup Control Panel by Mike Lin .. May show rouge startups and save much time. IF YOU ARE EXPERIENCED, uncheck questionable startups.
1. Use one and only one anti virus and keep it updated. The free ones are Bitdefender, Avira, AVG, and Avast.
2.periodically or when there are problems:
a. run tdsskiller this checks for rootkits and corrects -3 minutes
b. run ADWcleaner- very fast and effective malware cleaner. scan/ select clean -5 or 10 minutes and a reboot.
3. If problems persist:
a. run rkill it takes 2 or 3 minutes to start and 3 more to finish DO
NOT REBOOT
b. when rkill finishes, run Malwarebytes a full scan and fix all - 1hour
or so.
If you have made big changes, run ccleaner :
a. analyze, wait, select all and run cleaner.
Good luck
Jim