Firefox 4.0 beta download scam on Twitter

A Twitter update hash-tagged “Firefox” spotted by Sunbelt offers a unique opportunity: follow the offered shortened link to download a cracked Mozilla Firefox 4.0 or a key generator for it.

For those who are unaware of the fact, Firefox 4.0 is currently in beta testing, and can be downloaded for free from the official Mozilla web site, so this is an offer that can’t stand even a casual check.

Fortunately for the malware peddlers behind this scheme, there are always those who don’t bother to check things before downloading – and this time, the malicious file masquerading as the cracked version or as the key generator is a downloader Trojan:

An additional threat comes from trying to download Firefox 4.0 from the site, since the pressing the button redirects the victim to another site that offers other Trojans and viruses masquerading as legitimate programs.