Computer experts worried about April ##s ' worm -- the Internet . Conficker.c is thought to have already infected up to 100 million people . Microsoft offering $ 250,000 bounty to catch program 's bug .
Computer experts worried about April Fools ' worm -- the Conficker.c . Conficker.c is thought to have already infected up to 10 million computers . Microsoft offering $ 250,000 bounty to catch program 's creator .