Bitdefender has discovered that a new variant of the Trojan component, Pushdo, has emerged.
Bitdefender warns that while CyptoLocker is currently disabled, it could come back to life at any moment.
Almost one in five small and medium businesses worldwide are currently exposed to major security risks as they are still using Windows XP after Microsoft ended support for the operating system, according to Bitdefender.
A series of enhanced follower scams have tricked thousands of Twitter users after a group abused the platformís authentication system, its Trends section and TweetDeck.
Zeus is a well-known and highly successful crimeware kit - the flat-pack furniture of the virus world.