How do you know you have blaster worm? There are scam programs out there that give you false warnings trying to scam you and rip you off. Below gets most bugs quite easily, but the new scam bugs have some new quirks that will not be resolved by the below. If you are getting a warning popup from your security, tell us the name of the security warning before you proceed with the below. Malwarebytes alone will not detect these new bugs and neither will your antivirus in normal mode.
http://windowssecrets.com/2011/04/07/01-LizaMoon-infection-a-blow-by-blow-account
restart your computer
tap the F8 key until it asks about safe mode
go into safe mode with networking
be patient, its slow
http://www.bleepingcomputer.com/tutorials/tutorial61.html
download rkill, this is an app that will stop trojans and allow your other tools to work its free, its safe
http://www.bleepingcomputer.com/download/anti-virus/rkill
Run rkill, a command prompt appears and goes away, a log appears, keep running it until this happens. The trojan will try to block your first attempt in some cases.
download malwarebytes, its free, its safe
http://www.majorgeeks.com/Malwarebytes_Anti-Malware_d5756.html
install, update, let it run a full scan
save the log
look at the log
see if it has infections and see if they were removed
run a full scan with your antivirus
let it delete all it finds
or use this online scanner. its free, its safe. download the packet and run it
http://www.eset.com/online-scanner
restart
hope this helps
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