Since when did they start offering rewards?
Group launches strategy to block Conficker worm from .ca domain
CIRA said Tuesday that it is taking a number of steps to stop the Conficker worm, also known as the Downandup worm, from using the .ca domain to perform malicious actions on behalf of those who control it.
The worm has been spreading through the internet since the fall, and a group of internet groups and businesses led by Microsoft has offered a $250,000 reward for information leading to the arrest of those responsible.