TweetDeck has warned users of malicious tweets directing them to download a new version of Tweetdeck, but instead downloads a software trojan.
Here is the warning from the TweetDeck blog:
DO NOT DOWNLOAD: Fake TweetDeck Update Appearing On Twitter
alex posted this on Aug 30 23:33
We are seeing a number of updates on Twitter urging users to download a file called "tweetdeck-08302010-update.exe" from a URL beginning with http://alturl.com/.
These tweets are from hacked accounts and this file does not come from us. Do not download it.
Official updates are exclusively available at: http://www.tweetdeck.com/desktop/ To ensure your safety TweetDeck files should only be downloaded from this location. Links to all the main official downloads are shown in the right-hand sidebar of our support site http://support.tweetdeck.com. If in doubt, only download from here or http://www.tweetdeck.com itself.
The updates often being with one of the following phrases:
TweetDeck will work until tomorrow, udate now!
Download TweetDeck udate ASAP!
Hurry up for tweetdeck update!
Sorry for offtopic, but it is a critical TweetDeck update. It won't work tomorrow!